XR80 / CRF80

Honda XR80 / CRF80 Big Bore Kits

Upgrade your Honda XR80R or CRF80F with big bore kits from TB Parts. The XR80 and CRF80 are classic Honda trail bikes with a robust single-cylinder engine that responds well to bore-up upgrades, delivering noticeably more torque and power.

XR80 / CRF80 Big Bore Kit Options

TB Parts offers big bore kits for the Honda XR80R and CRF80F that include a bore-up cylinder, piston, rings, and gaskets. More displacement means stronger acceleration and better performance on the trail. Compatible with Honda XR80R and CRF80F models.

Performance Cams & Engine Parts

Pair your XR80 or CRF80 big bore kit with a performance camshaft from TB Parts for additional power gains. Also available: cam chain tensioners and other engine components. Contact Hard Racing at 704-799-2192 for fitment help.