BBR
XR/CRF80 95cc BBR Big Bore Kit
XR/CRF80 95cc BBR Big Bore Kit
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BBR introduces the first complete big bore kit for the CRF80 (and XR80)! Our new bore kit includes the cylinder making for a quick and easy upgrade. It features a 52 mm high compression piston resulting in a displacement of 95.6 cc. This kit includes the head gasket, base gasket, and intake gasket. 10.0:1 compression ratio lets it run on pump premium gas.
Works with stock camshaft and valve springs or optional BBR performance camshaft (part number 411-HXR-1020. OEM Kehin PC18/20 carb works great with minor re-jetting.
- 52 mm piston
- 95.6 cc displacement
- 10.0:1 compression ratio
- Includes new aluminum cylinder, piston, rings, pin, clips, head and base gaskets
- Fits CRF/XR80 model years 1979 - 2013
- Works with BBR CRF/XR100 camshaft (see optional parts below) or OEM camshaft

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