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Go Kart Parts Breakdowns

Parts and model identification

TrailMaster Parts Breakdowns, Manuals & Wiring Diagrams

Find exploded parts drawings, factory manuals, assembly references and electrical diagrams for TrailMaster go-karts, mini bikes and selected UTVs. GoKartMasters adds hands-on model guidance anywhere the factory documents are incomplete, outdated or mislabeled.

Do not order by appearance alone. TrailMaster models can look similar while using different parts. Standard and Plus Minis differ. A 150 and 200 may share chassis pieces but use different engine, fuel, electrical or drivetrain parts. Carbureted and EFI fuel-system parts are not interchangeable.

How We Label These Resources

GoKartMasters verified

Model guidance checked against machines, parts and service experience from our own shop.

Factory reference

A useful TrailMaster assembly, parts or service document. Production changes may still affect individual machines.

Verify before ordering

The factory title, model coverage, EFI labeling, diagram or part-number list is known to be incomplete or unreliable.

No Blind Guessing

If anything conflicts, stop and identify the exact model. Installed parts are considered used, and electrical and performance parts are not returnable.

Start here

Choose Your TrailMaster Model Family

Each family includes the most useful parts manuals we currently have, along with the GoKartMasters owner hub that explains model history, visual identification, compatibility and common service questions.

Mini Go-Karts

Mini XRS, Mini XRX, Mini XRX-R, and current Plus models

GKM notes required Plus manual warning
  • Mini XRS & Mini XRX Parts Manual Best base reference for standard models. Do not assume every callout fits a Plus model. Open Factory Parts Manual (PDF)
  • Mini XRX-R Parts Manual Standard reverse-model reference. Confirm Plus-specific axle, wheels, brakes, tank and frame parts separately. Open Factory Parts Manual (PDF) Browse the current illustrated parts page
  • Mini Plus Factory Manual The current factory file reuses older Mini information and is not a reliable standalone Plus breakdown. GoKartMasters fitment notes take priority. Held for verification - not recommended as a public download yet
Known Plus differences: fuel tank, roll cage, decals, hydraulic brake system, wider rear axle, and model-specific rear wheels or reverse components. Mini XRX+ and XRX-R+ use 16-inch rear tires; older standard models use 13-inch rear tires.

Mid Go-Karts

Mid XRS, Mid XRX, Mid XRX-R and Blazer 200R

Model routing verified Factory reference

150 & 200 Go-Karts

XRS, XRX, carbureted, EFI and discontinued versions

GKM model guidance Read fuel-system notes
  • 150 XRS Parts Manual Original 150 XRS reference. Some later 200 chassis parts may look similar but should not be assumed compatible. Open 150 XRS Manual (PDF) Open Older 150 XRS Manual (PDF)
  • 150 XRX Parts Manual Original 150 XRX reference. The 150 family never used EFI. Open 150 XRX Manual (PDF)
  • 200 XRS / 200 XRX-E Factory Parts Manual Contains useful carbureted and EFI sections. Verify the correct fuel-system pages before ordering. Open Factory Parts Manual (PDF)
  • 200cc Engine Parts Manual Engine-only reference. Engine markings do not identify the complete go-kart model. Not shown in the current public-content upload
  • ROJO EFI System Manual Technical reference for the ECU, throttle body, injector, oxygen sensor, Bluetooth functions and EFI self-learning system. Open ROJO EFI Manual (PDF)

300 Go-Karts

300 XRS, 300 XRX, carbureted and EFI-era machines

Older carbureted references Cross-model EFI reference
  • 300 XRS-E Factory Parts Manual Despite the filename, the uploaded document shows carburetor components. Use it for older mechanical references only, not as a current 300 EFI fuel-system manual. Open With Verification Warning (PDF)
  • 300 XRX Parts Manual Older carbureted XRX reference. Current XRX machines use EFI and a substantially different independent rear assembly. Open Older 300 XRX Manual (PDF)
  • 300 XRS-E / XRX-E Setup Instructions Factory setup reference. GoKartMasters assembly guidance should be used first when available. Open Factory Setup Instructions (PDF)
  • 300 EFI Technical Cross-Reference Cheetah 300E and Challenger 300E documents contain helpful shared-engine EFI information. Chassis wiring, oxygen sensors and fuel components may differ, so shared fitment must be confirmed part by part. Open Cheetah 300E Cross-Reference (PDF) Open Challenger 300E Cross-Reference (PDF) Reference only—never proof of 300 XRS/XRX fitment

Blazer Go-Karts

Blazer 200R, 150, 200X, 200EX, i200R and Blazer4

Family routing verified Factory reference
  • Blazer 200R Parts Manual Mid-size Blazer. Use the Mid XRX-R mechanical resources for many drivetrain and service items. Open Parts Manual (PDF)
  • Blazer 200X / 200EX Parts Manual Full-size bodywork and chassis reference containing carbureted and EFI information. The Blazer 200X/200EX manual is not shown in the current public-content upload
  • Blazer i200R Parts Manual Use only for the battery-powered i-series model; it is not the gas Blazer 200R. Open i200R Parts Manual (PDF)
  • Blazer4 200X-E Parts Manual Four-seat Blazer reference. Confirm the exact four-seat model before ordering. The Blazer4 manual is not shown in the current public-content upload

MB200, Hurricane & Storm Mini Bikes

MB200 Gen 1, MB200-2, Hurricane 200X/Pro and Storm 200

Model differences verified Factory reference
Hurricane 200 Pro / 200X Pro: the name is used both ways. The Pro adds battery and electric-start components while retaining recoil-start backup. A complete Pro electrical supplement is still being verified.

Wiring Diagrams & EFI References

Circuit diagrams are difficult to locate and valuable for troubleshooting. They are provided as technical references, but owners must still confirm the exact model, engine-management system and connector style before replacing electrical parts.

Resource Best Use Status
150 GY6 Wiring Diagram Older 150cc carbureted go-kart electrical diagnosis. Public PDF
Challenger 200 Wiring Diagram Carbureted Challenger 200 electrical reference. Public PDF
Challenger 200E Wiring Diagram EFI Challenger 200 electrical reference; verify chassis fitment. Public PDF—cross-reference only
Challenger 300E Wiring Diagram Helpful 300 EFI system reference, not an automatic match for 300 XRS/XRX chassis wiring. Public PDF—verify before ordering
Cheetah 200 Wiring Diagram Cheetah 200 electrical reference. Public PDF
MB200 Wiring Diagram Applicable MB200 mini-bike electrical troubleshooting. Public PDF
ROJO EFI System Manual EFI components, sensor operation, Bluetooth diagnostics and self-learning information. Public factory technical reference
Shared engine does not always mean shared wiring. Cheetah and Challenger 300E documents can help explain the 300 EFI system, but oxygen sensors, fuel-system parts and chassis harnesses may use different part numbers or connectors.

Assembly Manuals & Setup References

Customers who purchase from GoKartMasters receive our printed assembly guide and welcome materials. Our guides reflect hands-on assembly experience. Factory instructions are used as supporting references or as the best available option when a GoKartMasters guide has not yet been created.

Use GoKartMasters First

The current Mini guide remains useful for Plus models, but the Plus fuel tank, roll cage, axle, wheels and hydraulic brake components require model-specific confirmation.

Browse Assembly Manuals

Comparison Charts & General Reference Guides

These supporting documents can help identify a model family or prepare for ownership. Current GoKartMasters product listings and owner hubs take priority when an older chart conflicts with current equipment.

Battery Reference

Use this factory sheet as a supporting reference. Current TrailMaster machines use ready-to-go gel batteries; older acid-fill instructions may apply only to legacy batteries.

Open Battery Information Sheet (PDF)

Legacy & Other TrailMaster Resources

GoKartMasters sells parts to all TrailMaster owners, including people who purchased elsewhere. We can also special-order available TrailMaster parts for models we do not currently sell.

Family Documents Currently Available Guidance
Challenger 150 Parts Manual
200 / 200X-E Parts Manual
300UTV-E Parts Manual
Challenger4 300E Parts Manual
Confirm two-seat vs. four-seat, displacement and carburetor vs. EFI.
Cheetah Cheetah 3 Parts Manual
Cheetah 6 Parts Manual
Cheetah i6 Parts Manual
Cheetah 8 Parts Breakdown
Cheetah 300E / 300EX Parts Manual
Useful owner references and selected 300 EFI cross-reference information.
Electric / i-Series iMini Parts Manual
Blazer i200R Parts Manual
Do not mix i-series electrical parts with gasoline models.
Other KX-300 Parts Manual
300UTV Parts Manual
Contact us before ordering if the exact model is not shown in the parts catalog.

A Coolster 6125A manual was included in the research files but is not a TrailMaster document and should not be published in this directory.

How to Use a Parts Breakdown

  1. Confirm the complete machine model. Do not use the engine number as the go-kart model. If needed, use our identification guide first.
  2. Open the original manual whenever possible. Use a newer compatible manual only when compatibility has been confirmed.
  3. Find the part in the exploded drawing. Match its numbered callout to the parts legend.
  4. Copy the OEM number exactly. Search GoKartMasters using the complete number, including letters, periods and leading zeros.
  5. If the number is missing or does not search, contact us. Factory diagrams sometimes omit a number, show an old number or use a number that has been superseded.
  6. Confirm before installation. Once installed, a part is considered used. Electrical and performance parts are not returnable.

Why Some Manuals Need GoKartMasters Notes

Production Changes

TrailMaster has supported older machines exceptionally well, and many updated parts remain backward-compatible. However, graphics, tires, brakes, electrical components and model packages can change over time.

Factory Document Errors

Some factory manuals contain missing callout numbers, outdated part numbers or drawings carried forward from an older model. The current Mini Plus files are the clearest example.

Names Used Online

EFI and trim names are not always consistent across dealer websites. For example, 200E XRS may also appear as “200 XRS EFI,” while Hurricane 200 Pro and Hurricane 200X Pro refer to the same electric-start mini bike.

Our Verification Standard

When a factory title conflicts with the machine, GoKartMasters uses the actual components, model history and hands-on parts experience to guide the customer.

Parts Manual FAQs

Can I use these resources if I bought my TrailMaster somewhere else?
Yes. These manuals and identification resources are for all TrailMaster owners. GoKartMasters sells listed parts and can special-order available TrailMaster parts for many models we do not sell.
What if my exact manual is not listed?
Use the model identification guide and contact us before ordering. We may have an original file that is not yet public, know which newer manual is compatible, or be able to submit the serial number to TrailMaster for identification.
Why does the factory manual not match my machine?
Factory files may be older than the machine, mislabeled, incomplete or based on a closely related model. This is especially common with Mini Plus documents and some files labeled “E” or “EFI.”
Why can I not find the OEM number in search?
The number may be missing from the factory legend, entered differently on the product listing, discontinued or superseded without a published cross-reference. Send us the circled diagram and machine information.
Are GoKartMasters parts OEM?
Approximately 90% of our parts are genuine TrailMaster OEM parts. We occasionally use a higher-quality aftermarket item, such as an NGK spark plug or upgraded gasket, when it is a better service choice.
Can the parts manuals contain clickable product links?
Yes. Links can be added to a PDF, but every link must be maintained as products and part numbers change. Our immediate priority is a reliable website directory with searchable part numbers; enhanced clickable manuals can be added family by family after fitment is verified.

Need help finding a part?

Send Us Enough Information to Identify It Correctly

Email support@gokartmasters.com or call/text 605-368-1612. Text is often the fastest way to begin. Include:

  • Your exact TrailMaster model and approximate year
  • The serial number or VIN, when available
  • A photograph of the complete machine
  • A close-up of the part and a photo showing where it mounts
  • Measurements and every number printed or stamped on the old part
  • A screenshot of the breakdown with the required part circled

We can special-order many unlisted TrailMaster parts when TrailMaster has them available. Regular processing times apply, and a specific carrier or shipping service is not guaranteed.

Parts and model identification

TrailMaster Parts Breakdowns, Manuals & Wiring Diagrams

Find exploded parts drawings, factory manuals, assembly references and electrical diagrams for TrailMaster go-karts, mini bikes and selected UTVs. GoKartMasters adds hands-on model guidance anywhere the factory documents are incomplete, outdated or mislabeled.

Do not order by appearance alone. TrailMaster models can look similar while using different parts. Standard and Plus Minis differ. A 150 and 200 may share chassis pieces but use different engine, fuel, electrical or drivetrain parts. Carbureted and EFI fuel-system parts are not interchangeable.

How We Label These Resources

GoKartMasters verified

Model guidance checked against machines, parts and service experience from our own shop.

Factory reference

A useful TrailMaster assembly, parts or service document. Production changes may still affect individual machines.

Verify before ordering

The factory title, model coverage, EFI labeling, diagram or part-number list is known to be incomplete or unreliable.

No Blind Guessing

If anything conflicts, stop and identify the exact model. Installed parts are considered used, and electrical and performance parts are not returnable.

Start here

Choose Your TrailMaster Model Family

Each family includes the most useful parts manuals we currently have, along with the GoKartMasters owner hub that explains model history, visual identification, compatibility and common service questions.

Mini Go-Karts

Mini XRS, Mini XRX, Mini XRX-R, and current Plus models

GKM notes required Plus manual warning
  • Mini XRS & Mini XRX Parts Manual Best base reference for standard models. Do not assume every callout fits a Plus model. Open Factory Parts Manual (PDF)
  • Mini XRX-R Parts Manual Standard reverse-model reference. Confirm Plus-specific axle, wheels, brakes, tank and frame parts separately. Open Factory Parts Manual (PDF) Browse the current illustrated parts page
  • Mini Plus Factory Manual The current factory file reuses older Mini information and is not a reliable standalone Plus breakdown. GoKartMasters fitment notes take priority. Held for verification - not recommended as a public download yet
Known Plus differences: fuel tank, roll cage, decals, hydraulic brake system, wider rear axle, and model-specific rear wheels or reverse components. Mini XRX+ and XRX-R+ use 16-inch rear tires; older standard models use 13-inch rear tires.

Mid Go-Karts

Mid XRS, Mid XRX, Mid XRX-R and Blazer 200R

Model routing verified Factory reference

150 & 200 Go-Karts

XRS, XRX, carbureted, EFI and discontinued versions

GKM model guidance Read fuel-system notes
  • 150 XRS Parts Manual Original 150 XRS reference. Some later 200 chassis parts may look similar but should not be assumed compatible. Open 150 XRS Manual (PDF) Open Older 150 XRS Manual (PDF)
  • 150 XRX Parts Manual Original 150 XRX reference. The 150 family never used EFI. Open 150 XRX Manual (PDF)
  • 200 XRS / 200 XRX-E Factory Parts Manual Contains useful carbureted and EFI sections. Verify the correct fuel-system pages before ordering. Open Factory Parts Manual (PDF)
  • 200cc Engine Parts Manual Engine-only reference. Engine markings do not identify the complete go-kart model. Not shown in the current public-content upload
  • ROJO EFI System Manual Technical reference for the ECU, throttle body, injector, oxygen sensor, Bluetooth functions and EFI self-learning system. Open ROJO EFI Manual (PDF)

300 Go-Karts

300 XRS, 300 XRX, carbureted and EFI-era machines

Older carbureted references Cross-model EFI reference
  • 300 XRS-E Factory Parts Manual Despite the filename, the uploaded document shows carburetor components. Use it for older mechanical references only, not as a current 300 EFI fuel-system manual. Open With Verification Warning (PDF)
  • 300 XRX Parts Manual Older carbureted XRX reference. Current XRX machines use EFI and a substantially different independent rear assembly. Open Older 300 XRX Manual (PDF)
  • 300 XRS-E / XRX-E Setup Instructions Factory setup reference. GoKartMasters assembly guidance should be used first when available. Open Factory Setup Instructions (PDF)
  • 300 EFI Technical Cross-Reference Cheetah 300E and Challenger 300E documents contain helpful shared-engine EFI information. Chassis wiring, oxygen sensors and fuel components may differ, so shared fitment must be confirmed part by part. Open Cheetah 300E Cross-Reference (PDF) Open Challenger 300E Cross-Reference (PDF) Reference only—never proof of 300 XRS/XRX fitment

Blazer Go-Karts

Blazer 200R, 150, 200X, 200EX, i200R and Blazer4

Family routing verified Factory reference
  • Blazer 200R Parts Manual Mid-size Blazer. Use the Mid XRX-R mechanical resources for many drivetrain and service items. Open Parts Manual (PDF)
  • Blazer 200X / 200EX Parts Manual Full-size bodywork and chassis reference containing carbureted and EFI information. The Blazer 200X/200EX manual is not shown in the current public-content upload
  • Blazer i200R Parts Manual Use only for the battery-powered i-series model; it is not the gas Blazer 200R. Open i200R Parts Manual (PDF)
  • Blazer4 200X-E Parts Manual Four-seat Blazer reference. Confirm the exact four-seat model before ordering. The Blazer4 manual is not shown in the current public-content upload

MB200, Hurricane & Storm Mini Bikes

MB200 Gen 1, MB200-2, Hurricane 200X/Pro and Storm 200

Model differences verified Factory reference
Hurricane 200 Pro / 200X Pro: the name is used both ways. The Pro adds battery and electric-start components while retaining recoil-start backup. A complete Pro electrical supplement is still being verified.

Wiring Diagrams & EFI References

Circuit diagrams are difficult to locate and valuable for troubleshooting. They are provided as technical references, but owners must still confirm the exact model, engine-management system and connector style before replacing electrical parts.

Resource Best Use Status
150 GY6 Wiring Diagram Older 150cc carbureted go-kart electrical diagnosis. Public PDF
Challenger 200 Wiring Diagram Carbureted Challenger 200 electrical reference. Public PDF
Challenger 200E Wiring Diagram EFI Challenger 200 electrical reference; verify chassis fitment. Public PDF—cross-reference only
Challenger 300E Wiring Diagram Helpful 300 EFI system reference, not an automatic match for 300 XRS/XRX chassis wiring. Public PDF—verify before ordering
Cheetah 200 Wiring Diagram Cheetah 200 electrical reference. Public PDF
MB200 Wiring Diagram Applicable MB200 mini-bike electrical troubleshooting. Public PDF
ROJO EFI System Manual EFI components, sensor operation, Bluetooth diagnostics and self-learning information. Public factory technical reference
Shared engine does not always mean shared wiring. Cheetah and Challenger 300E documents can help explain the 300 EFI system, but oxygen sensors, fuel-system parts and chassis harnesses may use different part numbers or connectors.

Assembly Manuals & Setup References

Customers who purchase from GoKartMasters receive our printed assembly guide and welcome materials. Our guides reflect hands-on assembly experience. Factory instructions are used as supporting references or as the best available option when a GoKartMasters guide has not yet been created.

Use GoKartMasters First

The current Mini guide remains useful for Plus models, but the Plus fuel tank, roll cage, axle, wheels and hydraulic brake components require model-specific confirmation.

Browse Assembly Manuals

Comparison Charts & General Reference Guides

These supporting documents can help identify a model family or prepare for ownership. Current GoKartMasters product listings and owner hubs take priority when an older chart conflicts with current equipment.

Battery Reference

Use this factory sheet as a supporting reference. Current TrailMaster machines use ready-to-go gel batteries; older acid-fill instructions may apply only to legacy batteries.

Open Battery Information Sheet (PDF)

Legacy & Other TrailMaster Resources

GoKartMasters sells parts to all TrailMaster owners, including people who purchased elsewhere. We can also special-order available TrailMaster parts for models we do not currently sell.

Family Documents Currently Available Guidance
Challenger 150 Parts Manual
200 / 200X-E Parts Manual
300UTV-E Parts Manual
Challenger4 300E Parts Manual
Confirm two-seat vs. four-seat, displacement and carburetor vs. EFI.
Cheetah Cheetah 3 Parts Manual
Cheetah 6 Parts Manual
Cheetah i6 Parts Manual
Cheetah 8 Parts Breakdown
Cheetah 300E / 300EX Parts Manual
Useful owner references and selected 300 EFI cross-reference information.
Electric / i-Series iMini Parts Manual
Blazer i200R Parts Manual
Do not mix i-series electrical parts with gasoline models.
Other KX-300 Parts Manual
300UTV Parts Manual
Contact us before ordering if the exact model is not shown in the parts catalog.

A Coolster 6125A manual was included in the research files but is not a TrailMaster document and should not be published in this directory.

How to Use a Parts Breakdown

  1. Confirm the complete machine model. Do not use the engine number as the go-kart model. If needed, use our identification guide first.
  2. Open the original manual whenever possible. Use a newer compatible manual only when compatibility has been confirmed.
  3. Find the part in the exploded drawing. Match its numbered callout to the parts legend.
  4. Copy the OEM number exactly. Search GoKartMasters using the complete number, including letters, periods and leading zeros.
  5. If the number is missing or does not search, contact us. Factory diagrams sometimes omit a number, show an old number or use a number that has been superseded.
  6. Confirm before installation. Once installed, a part is considered used. Electrical and performance parts are not returnable.

Why Some Manuals Need GoKartMasters Notes

Production Changes

TrailMaster has supported older machines exceptionally well, and many updated parts remain backward-compatible. However, graphics, tires, brakes, electrical components and model packages can change over time.

Factory Document Errors

Some factory manuals contain missing callout numbers, outdated part numbers or drawings carried forward from an older model. The current Mini Plus files are the clearest example.

Names Used Online

EFI and trim names are not always consistent across dealer websites. For example, 200E XRS may also appear as “200 XRS EFI,” while Hurricane 200 Pro and Hurricane 200X Pro refer to the same electric-start mini bike.

Our Verification Standard

When a factory title conflicts with the machine, GoKartMasters uses the actual components, model history and hands-on parts experience to guide the customer.

Parts Manual FAQs

Can I use these resources if I bought my TrailMaster somewhere else?
Yes. These manuals and identification resources are for all TrailMaster owners. GoKartMasters sells listed parts and can special-order available TrailMaster parts for many models we do not sell.
What if my exact manual is not listed?
Use the model identification guide and contact us before ordering. We may have an original file that is not yet public, know which newer manual is compatible, or be able to submit the serial number to TrailMaster for identification.
Why does the factory manual not match my machine?
Factory files may be older than the machine, mislabeled, incomplete or based on a closely related model. This is especially common with Mini Plus documents and some files labeled “E” or “EFI.”
Why can I not find the OEM number in search?
The number may be missing from the factory legend, entered differently on the product listing, discontinued or superseded without a published cross-reference. Send us the circled diagram and machine information.
Are GoKartMasters parts OEM?
Approximately 90% of our parts are genuine TrailMaster OEM parts. We occasionally use a higher-quality aftermarket item, such as an NGK spark plug or upgraded gasket, when it is a better service choice.
Can the parts manuals contain clickable product links?
Yes. Links can be added to a PDF, but every link must be maintained as products and part numbers change. Our immediate priority is a reliable website directory with searchable part numbers; enhanced clickable manuals can be added family by family after fitment is verified.

Need help finding a part?

Send Us Enough Information to Identify It Correctly

Email support@gokartmasters.com or call/text 605-368-1612. Text is often the fastest way to begin. Include:

  • Your exact TrailMaster model and approximate year
  • The serial number or VIN, when available
  • A photograph of the complete machine
  • A close-up of the part and a photo showing where it mounts
  • Measurements and every number printed or stamped on the old part
  • A screenshot of the breakdown with the required part circled

We can special-order many unlisted TrailMaster parts when TrailMaster has them available. Regular processing times apply, and a specific carrier or shipping service is not guaranteed.

Parts and model identification

TrailMaster Parts Breakdowns, Manuals & Wiring Diagrams

Find exploded parts drawings, factory manuals, assembly references and electrical diagrams for TrailMaster go-karts, mini bikes and selected UTVs. GoKartMasters adds hands-on model guidance anywhere the factory documents are incomplete, outdated or mislabeled.

Do not order by appearance alone. TrailMaster models can look similar while using different parts. Standard and Plus Minis differ. A 150 and 200 may share chassis pieces but use different engine, fuel, electrical or drivetrain parts. Carbureted and EFI fuel-system parts are not interchangeable.

How We Label These Resources

GoKartMasters verified

Model guidance checked against machines, parts and service experience from our own shop.

Factory reference

A useful TrailMaster assembly, parts or service document. Production changes may still affect individual machines.

Verify before ordering

The factory title, model coverage, EFI labeling, diagram or part-number list is known to be incomplete or unreliable.

No Blind Guessing

If anything conflicts, stop and identify the exact model. Installed parts are considered used, and electrical and performance parts are not returnable.

Start here

Choose Your TrailMaster Model Family

Each family includes the most useful parts manuals we currently have, along with the GoKartMasters owner hub that explains model history, visual identification, compatibility and common service questions.

Mini Go-Karts

Mini XRS, Mini XRX, Mini XRX-R, and current Plus models

GKM notes required Plus manual warning
  • Mini XRS & Mini XRX Parts Manual Best base reference for standard models. Do not assume every callout fits a Plus model. Open Factory Parts Manual (PDF)
  • Mini XRX-R Parts Manual Standard reverse-model reference. Confirm Plus-specific axle, wheels, brakes, tank and frame parts separately. Open Factory Parts Manual (PDF) Browse the current illustrated parts page
  • Mini Plus Factory Manual The current factory file reuses older Mini information and is not a reliable standalone Plus breakdown. GoKartMasters fitment notes take priority. Held for verification - not recommended as a public download yet
Known Plus differences: fuel tank, roll cage, decals, hydraulic brake system, wider rear axle, and model-specific rear wheels or reverse components. Mini XRX+ and XRX-R+ use 16-inch rear tires; older standard models use 13-inch rear tires.

Mid Go-Karts

Mid XRS, Mid XRX, Mid XRX-R and Blazer 200R

Model routing verified Factory reference

150 & 200 Go-Karts

XRS, XRX, carbureted, EFI and discontinued versions

GKM model guidance Read fuel-system notes
  • 150 XRS Parts Manual Original 150 XRS reference. Some later 200 chassis parts may look similar but should not be assumed compatible. Open 150 XRS Manual (PDF) Open Older 150 XRS Manual (PDF)
  • 150 XRX Parts Manual Original 150 XRX reference. The 150 family never used EFI. Open 150 XRX Manual (PDF)
  • 200 XRS / 200 XRX-E Factory Parts Manual Contains useful carbureted and EFI sections. Verify the correct fuel-system pages before ordering. Open Factory Parts Manual (PDF)
  • 200cc Engine Parts Manual Engine-only reference. Engine markings do not identify the complete go-kart model. Not shown in the current public-content upload
  • ROJO EFI System Manual Technical reference for the ECU, throttle body, injector, oxygen sensor, Bluetooth functions and EFI self-learning system. Open ROJO EFI Manual (PDF)

300 Go-Karts

300 XRS, 300 XRX, carbureted and EFI-era machines

Older carbureted references Cross-model EFI reference
  • 300 XRS-E Factory Parts Manual Despite the filename, the uploaded document shows carburetor components. Use it for older mechanical references only, not as a current 300 EFI fuel-system manual. Open With Verification Warning (PDF)
  • 300 XRX Parts Manual Older carbureted XRX reference. Current XRX machines use EFI and a substantially different independent rear assembly. Open Older 300 XRX Manual (PDF)
  • 300 XRS-E / XRX-E Setup Instructions Factory setup reference. GoKartMasters assembly guidance should be used first when available. Open Factory Setup Instructions (PDF)
  • 300 EFI Technical Cross-Reference Cheetah 300E and Challenger 300E documents contain helpful shared-engine EFI information. Chassis wiring, oxygen sensors and fuel components may differ, so shared fitment must be confirmed part by part. Open Cheetah 300E Cross-Reference (PDF) Open Challenger 300E Cross-Reference (PDF) Reference only—never proof of 300 XRS/XRX fitment

Blazer Go-Karts

Blazer 200R, 150, 200X, 200EX, i200R and Blazer4

Family routing verified Factory reference
  • Blazer 200R Parts Manual Mid-size Blazer. Use the Mid XRX-R mechanical resources for many drivetrain and service items. Open Parts Manual (PDF)
  • Blazer 200X / 200EX Parts Manual Full-size bodywork and chassis reference containing carbureted and EFI information. The Blazer 200X/200EX manual is not shown in the current public-content upload
  • Blazer i200R Parts Manual Use only for the battery-powered i-series model; it is not the gas Blazer 200R. Open i200R Parts Manual (PDF)
  • Blazer4 200X-E Parts Manual Four-seat Blazer reference. Confirm the exact four-seat model before ordering. The Blazer4 manual is not shown in the current public-content upload

MB200, Hurricane & Storm Mini Bikes

MB200 Gen 1, MB200-2, Hurricane 200X/Pro and Storm 200

Model differences verified Factory reference
Hurricane 200 Pro / 200X Pro: the name is used both ways. The Pro adds battery and electric-start components while retaining recoil-start backup. A complete Pro electrical supplement is still being verified.

Wiring Diagrams & EFI References

Circuit diagrams are difficult to locate and valuable for troubleshooting. They are provided as technical references, but owners must still confirm the exact model, engine-management system and connector style before replacing electrical parts.

Resource Best Use Status
150 GY6 Wiring Diagram Older 150cc carbureted go-kart electrical diagnosis. Public PDF
Challenger 200 Wiring Diagram Carbureted Challenger 200 electrical reference. Public PDF
Challenger 200E Wiring Diagram EFI Challenger 200 electrical reference; verify chassis fitment. Public PDF—cross-reference only
Challenger 300E Wiring Diagram Helpful 300 EFI system reference, not an automatic match for 300 XRS/XRX chassis wiring. Public PDF—verify before ordering
Cheetah 200 Wiring Diagram Cheetah 200 electrical reference. Public PDF
MB200 Wiring Diagram Applicable MB200 mini-bike electrical troubleshooting. Public PDF
ROJO EFI System Manual EFI components, sensor operation, Bluetooth diagnostics and self-learning information. Public factory technical reference
Shared engine does not always mean shared wiring. Cheetah and Challenger 300E documents can help explain the 300 EFI system, but oxygen sensors, fuel-system parts and chassis harnesses may use different part numbers or connectors.

Assembly Manuals & Setup References

Customers who purchase from GoKartMasters receive our printed assembly guide and welcome materials. Our guides reflect hands-on assembly experience. Factory instructions are used as supporting references or as the best available option when a GoKartMasters guide has not yet been created.

Use GoKartMasters First

The current Mini guide remains useful for Plus models, but the Plus fuel tank, roll cage, axle, wheels and hydraulic brake components require model-specific confirmation.

Browse Assembly Manuals

Comparison Charts & General Reference Guides

These supporting documents can help identify a model family or prepare for ownership. Current GoKartMasters product listings and owner hubs take priority when an older chart conflicts with current equipment.

Battery Reference

Use this factory sheet as a supporting reference. Current TrailMaster machines use ready-to-go gel batteries; older acid-fill instructions may apply only to legacy batteries.

Open Battery Information Sheet (PDF)

Legacy & Other TrailMaster Resources

GoKartMasters sells parts to all TrailMaster owners, including people who purchased elsewhere. We can also special-order available TrailMaster parts for models we do not currently sell.

Family Documents Currently Available Guidance
Challenger 150 Parts Manual
200 / 200X-E Parts Manual
300UTV-E Parts Manual
Challenger4 300E Parts Manual
Confirm two-seat vs. four-seat, displacement and carburetor vs. EFI.
Cheetah Cheetah 3 Parts Manual
Cheetah 6 Parts Manual
Cheetah i6 Parts Manual
Cheetah 8 Parts Breakdown
Cheetah 300E / 300EX Parts Manual
Useful owner references and selected 300 EFI cross-reference information.
Electric / i-Series iMini Parts Manual
Blazer i200R Parts Manual
Do not mix i-series electrical parts with gasoline models.
Other KX-300 Parts Manual
300UTV Parts Manual
Contact us before ordering if the exact model is not shown in the parts catalog.

A Coolster 6125A manual was included in the research files but is not a TrailMaster document and should not be published in this directory.

How to Use a Parts Breakdown

  1. Confirm the complete machine model. Do not use the engine number as the go-kart model. If needed, use our identification guide first.
  2. Open the original manual whenever possible. Use a newer compatible manual only when compatibility has been confirmed.
  3. Find the part in the exploded drawing. Match its numbered callout to the parts legend.
  4. Copy the OEM number exactly. Search GoKartMasters using the complete number, including letters, periods and leading zeros.
  5. If the number is missing or does not search, contact us. Factory diagrams sometimes omit a number, show an old number or use a number that has been superseded.
  6. Confirm before installation. Once installed, a part is considered used. Electrical and performance parts are not returnable.

Why Some Manuals Need GoKartMasters Notes

Production Changes

TrailMaster has supported older machines exceptionally well, and many updated parts remain backward-compatible. However, graphics, tires, brakes, electrical components and model packages can change over time.

Factory Document Errors

Some factory manuals contain missing callout numbers, outdated part numbers or drawings carried forward from an older model. The current Mini Plus files are the clearest example.

Names Used Online

EFI and trim names are not always consistent across dealer websites. For example, 200E XRS may also appear as “200 XRS EFI,” while Hurricane 200 Pro and Hurricane 200X Pro refer to the same electric-start mini bike.

Our Verification Standard

When a factory title conflicts with the machine, GoKartMasters uses the actual components, model history and hands-on parts experience to guide the customer.

Parts Manual FAQs

Can I use these resources if I bought my TrailMaster somewhere else?
Yes. These manuals and identification resources are for all TrailMaster owners. GoKartMasters sells listed parts and can special-order available TrailMaster parts for many models we do not sell.
What if my exact manual is not listed?
Use the model identification guide and contact us before ordering. We may have an original file that is not yet public, know which newer manual is compatible, or be able to submit the serial number to TrailMaster for identification.
Why does the factory manual not match my machine?
Factory files may be older than the machine, mislabeled, incomplete or based on a closely related model. This is especially common with Mini Plus documents and some files labeled “E” or “EFI.”
Why can I not find the OEM number in search?
The number may be missing from the factory legend, entered differently on the product listing, discontinued or superseded without a published cross-reference. Send us the circled diagram and machine information.
Are GoKartMasters parts OEM?
Approximately 90% of our parts are genuine TrailMaster OEM parts. We occasionally use a higher-quality aftermarket item, such as an NGK spark plug or upgraded gasket, when it is a better service choice.
Can the parts manuals contain clickable product links?
Yes. Links can be added to a PDF, but every link must be maintained as products and part numbers change. Our immediate priority is a reliable website directory with searchable part numbers; enhanced clickable manuals can be added family by family after fitment is verified.

Need help finding a part?

Send Us Enough Information to Identify It Correctly

Email support@gokartmasters.com or call/text 605-368-1612. Text is often the fastest way to begin. Include:

  • Your exact TrailMaster model and approximate year
  • The serial number or VIN, when available
  • A photograph of the complete machine
  • A close-up of the part and a photo showing where it mounts
  • Measurements and every number printed or stamped on the old part
  • A screenshot of the breakdown with the required part circled

We can special-order many unlisted TrailMaster parts when TrailMaster has them available. Regular processing times apply, and a specific carrier or shipping service is not guaranteed.

best warranty on trailmaster go karts

GoKartMasters.com is the best Trailmaster Parts Warehouse online. We stock parts for all Trailmaster go karts and minibikes, as well as Trailmaster UTVs. We are alwasy adding new parts listings. 

Can't find a part? We offer special orders! Submit a request for any Trailmaster part that you don't see listed here. Send a photo, a model number, or just a description and we will find your part!

We strongly suggest all go kart riders wear a DOT approved full face helmet. Operating a go kart comes with risks and you should prepare yourself and other riders with the proper gear. For children, we recommend a helmet and a set of goggles. For adults, there are lots of options with built in face shields. See some of our suggestions below.

 

Disclosure: Some of the links below are affiliate links. This means that, at zero cost to you, I will earn an affiliate commission if you click through the link and finalize a purchase.

Youth Size Full Face Helmet

Blue Flames
Black Skulls
Black Spider Web
Green Flames
Pink Butterflies
Youth size goggles


 

Adult Full Shield Helmets