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Motorcycle & ATV parts
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Honda XR100 Parts

Honda XR100 parts for engine repairs, rear drum brakes and clutch service, with XR100R carburetor kits available for later bikes. The original XR100 uses twin rear shocks; the XR100R uses a single shock. Choose your model below to separate the early bike from R-model parts.

Browse the Honda XR family.

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In stock
Honda XR100R Carb Rebuild Kit

1985-2000 Honda XR100R Carb Rebuild Kit

$18.50
48-1231
Honda XR Motorcycle Parts Honda XR100 Parts Honda XR100R Parts Motorcycle Carburetor Parts & Rebuild Kits Motorcycle Carburetor Rebuild & Repair Kits Vintage Honda Motorcycle Parts
1985-2000 Honda XR100R Carb Rebuild Kit. This carburetor rebuild kit supplies the gaskets, O-rings, float-valve parts, and small service pieces needed to rebuild the...
In stock
Honda Motorcycle ATV Carb Float 16013-405-004

Honda Motorcycle ATV Carb Float - Replaces Honda OEM 16013-405-004

$26.64
20-6509
Honda ATC Three-Wheeler Parts Honda ATC185 Parts Honda ATC185S Parts Honda ATC200 Parts Honda ATV & ATC Parts Honda CB Motorcycle Parts Honda CB125 Parts Honda CB550 Parts Honda CB550K Parts Honda CB650 Parts Honda CB650C Parts Honda CB750 Parts Honda CB750A Hondamatic Parts (1976–1978) Honda CB750F Super Sport Parts (1975–1982) Honda CB750K Parts (1969–1982) Honda CM Motorcycle Parts Honda CM185 Parts Honda CM185T Parts Honda CM200T Parts Honda CM200T Parts Honda XL Motorcycle Parts Honda XL100 / XL100S Parts Honda XL125 Parts Honda XL185 Parts Honda XL185S Parts Honda XL250 Parts Honda XL250S Parts Honda XL350 Parts Honda XL500 Parts Honda XL500S Parts Honda XR Motorcycle Parts Honda XR100 Parts Honda XR100R Parts Honda XR185 Parts Honda XR200 Parts Honda XR200R Parts Honda XR250 Parts Honda XR250R Parts Honda XR400 Parts Honda XR400R Parts Honda XR500 Parts Honda XR500R Parts Honda XR600 Parts Honda XR600R Parts Motorcycle Carburetor Floats & Float Pins Motorcycle Carburetor Parts & Rebuild Kits Vintage Honda Motorcycle Parts
Honda Motorcycle ATV Carb Float - Replaces Honda OEM 16013-405-004. This carburetor float controls fuel level in the float bowl by raising and lowering...
In stock
Honda XR100R Carb Rebuild Kit

1987-2000 Honda XR100R Carb Rebuild Kit

$20.65
48-1245
Honda XR Motorcycle Parts Honda XR100 Parts Honda XR100R Parts Motorcycle Carburetor Parts & Rebuild Kits Motorcycle Carburetor Rebuild & Repair Kits Vintage Honda Motorcycle Parts
1987-2000 Honda XR100R Carb Rebuild Kit. This carburetor rebuild kit supplies the gaskets, O-rings, float-valve parts, and small service pieces needed to rebuild the...
In stock
Honda Motorcycle ATV Float Bowl Gasket 16010-439-305

Honda Motorcycle ATV Float Bowl Gasket - Replaces Honda OEM 16010-439-305

$11.99
48-1823
Honda ATC Three-Wheeler Parts Honda ATC185 Parts Honda ATC200 Parts Honda ATC200E Parts Honda ATC200ES Parts Honda ATC200M Parts Honda ATC200S Parts Honda ATV & ATC Parts Honda CB Motorcycle Parts Honda CB125 Parts Honda CM Motorcycle Parts Honda CM185 Parts Honda CM200T Parts Honda CM200T Parts Honda TRX ATV Parts Honda TRX200 Parts Honda TRX200SX Parts Honda XL Motorcycle Parts Honda XL100 / XL100S Parts Honda XL125 Parts Honda XR Motorcycle Parts Honda XR100 Parts Honda XR100R Parts Motorcycle Carburetor Float Bowl Gaskets Motorcycle Carburetor Parts & Rebuild Kits Vintage Honda Motorcycle Parts
Honda Motorcycle ATV Float Bowl Gasket - Replaces Honda OEM 16010-439-305. This float bowl gasket seals the carburetor bowl to the carburetor body. Replace...
In stock
Honda XL100 XR100 CRF100 Intake Manifold Boot 17110-KA8-000

Honda XL100 XR100 CRF100 Intake Manifold Boot - Replaces Honda OEM 17110-KA8-000

$14.43
48-1482
Honda CRF Motorcycle Parts Honda CRF100 Parts Honda CRF100F Parts Honda XL Motorcycle Parts Honda XL100 / XL100S Parts Honda XR Motorcycle Parts Honda XR100 Parts Honda XR100R Parts Motorcycle Carb Intake Boots, Holders & Clamps Motorcycle Carburetor Parts & Rebuild Kits Vintage Honda Motorcycle Parts
Honda XL100 XR100 CRF100 Intake Manifold Boot - Replaces Honda OEM 17110-KA8-000. This carburetor holder or intake boot connects the carburetor to the engine...
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About the Honda XR100

From the early twin-shock XR100 to the single-shock XR100R.

Honda Motorcycle Logo

Honda introduced the XR100 in 1981 as a compact four-stroke trail bike with an air-cooled single, manual clutch and five-speed gearbox. The XR100R followed with a single rear shock in 1985. Engine service parts can span both models, while the chassis change makes rear brake and suspension identification especially important.

Plan a trail-bike engine or chassis repair

Start with the component that needs work: the carburetor for a fuel-system rebuild, the leaking engine joint for gaskets, or the rear hub for brake shoes. A bike assembled with a replacement engine or front end may need parts identified from that donor component.

Model and application differencesXR100 versus XR100R: which parts differ?

1981–1984 XR100

The early twin-shock chassis has its own rear brake shoe application. Match the hub and shoe profile before transferring parts information from an XR100R.

1985-on XR100R

The R model uses a single rear shock. Carburetor and gasket listings still have their own year limits; the chassis change does not make all later engine parts interchangeable.

Swapped engines and front ends

Order engine parts from the engine and carburetor actually fitted. For suspension and brakes, compare fork dimensions and hub or caliper details.

Frame and component identificationHonda XR100 and XR100R identification

  • Record the complete frame number, engine number and model year from the bike and its paperwork.
  • Check for the early twin-shock or later single-shock rear suspension.
  • Photograph the carburetor markings and both sides of the old gasket or brake shoe.
  • Measure replacement forks and brake components if the bike has been modified.
Need help identifying a part?

Contact PartsNMore with clear frame/VIN, engine and component photos. Include the original market and any known engine or front-end changes.

Honda XR100 parts for repairs and restoration

Find the parts for your repair below. Choose a product for its fitment and contents, or browse the category for more options.

Steel clutch plates

This steel plate covers XR100 1981–1984 and XR100R 1985–2003. Sold individually; order the quantity required. Inspect friction plates separately before planning a full clutch repair.

XR100 / XR100R steel clutch plate

XR100 clutch parts

Restoring or customizing your XR100?

For a trail-bike refresh, measure handlebar diameter and check throttle, lever and cable clearance through full steering travel. A suspension swap also changes the brake and wheel parts you need.

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Supplying motorcycle parts since 2002. Meet PartsNMore.

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Stock on our shelves

Items marked in stock are held in our warehouse. Check each product for current availability.

Free ground shipping

USA: $50 USD or more. Canada: over $50 CAD. View shipping details.

60-day returns

Eligible unused, unaltered parts in original packaging. No restocking fee; electrical parts excluded. Read the return policy.

Ask our parts team with your complete model, year and photos of the component or its markings.

Honda XR100 parts questions

How do I tell an XR100 from an XR100R?
The early XR100 has twin rear shocks; the XR100R introduced a single rear shock in 1985. Read the frame and engine identification as well, especially if the bike has replacement plastics or an engine swap.
Which parts should I order for an XR100 with a replacement engine?
Identify engine gaskets, clutch parts and carburetor service parts from the engine and carburetor fitted. Identify rear brake shoes from the rear hub. The frame year alone cannot resolve a mixed-component bike.
Do the XR100R gasket sets cover 1992?
The two gasket sets cover XR100R 1985–1991 and 1993–2003. A 1992 fit has not been confirmed. Send the engine number and gasket photos to the parts team before choosing a set.
Is the XR100 steel clutch plate a complete clutch kit?
No. The steel plate is sold individually; order the quantity required. Friction plates and springs are separate components and should be assessed with the rest of the clutch.

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