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Yamaha ❯
TTR50 ❯
TTR90 ❯
TTR110 ❯
TTR125 ❯
TTR230 ❯
Honda ❯
CRF50 ❯
CRF70 ❯
CRF110 ❯
CRF125F ❯
CRF150 ❯
Kawasaki ❯
KLX110/L ❯
KLX140 ❯
Graphics ❯
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Always the correct part
We know our products
Tracked Shipping
Honda XR/CRF80 95cc Big Bore Kit - BBR
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. As for all BBR bore kits, we recommend using ethanol free gasoline (see www.pure-gas.org).
Works with stock camshaft and valve springs or optional BBR performance camshaft (part number 411-HXR-1020 listed in Optional Parts below). OEM Kehin PC18/20 carb works great with minor re-jetting.
BBR General Jetting Guidelines Chart
Stock XR/CRF80 - 47.5mm bore, 45.0mm stroke
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