Engines and Components› Pistons and Piston Rings
BBR Motorsports
XR/CRF100 120cc Big Bore Kit with Cam
SKU: 411-HXR-1001
Advanced — 4+ hours
Description
The kit includes a 58mm piston, rings, pin, clips, HD valve springs, adjusters, and a gasket set. The kit is confirmed to fit 2004-Present Honda CRF100 and 1981-Present Honda XR100 models.
Fitment
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Available on iOS & Android
Specifications
| Brand | BBR Motorsports |
| Part Number | 411-HXR-1001 |
| Category | Engines and Components |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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