Trail Bikes 88cc Big Bore Kit 88cc + 20mm Carb kit + Race Cam Performance Kit -  Honda XR70 / CRF70 / CT70 (1991-94)

Trail Bikes 88cc Big Bore Kit 88cc + 20mm Carb kit + Race Cam Performance Kit - XR70 / CRF70 / CT70 (1991-94)

XR70 CRF70

1991-1994 CT70

China 50-70

NOT FOR CRF50 / XR50 with STOCK HEAD

Race Cam, 88cc Big Bore kit, and 20mm Carburetor Performance Kit:

- Lightweight aluminum cylinder with steel sleeve

- Cast in mounts on cylinder for aftermarket skid plates

- Oversized cooling fins on cylinder for efficient heat dissipation

- 52mm piston with rings, pin, & clips

- Head gasket kit

- High performance race camshaft (11/4/04 - Updated camshaft with more aggressive lift and duration without sacrificing your low end torque.

- 20mm Performance carb assembly that includes 20mm carb, intake, heat stop, gaskets, mounting hardware/wrench, air filter and straight throttle cable for "CR" Style Throttle.

If you need the 90 degree cable for the Fast50s billet throttle or the OEM Z50 / XR50 / CRF50 / XR70 / CRF70 style throttle please call 833-327-8507

We recommend purchasing a high volume oil pump kit Part #TBW0226 (Available in this section).

Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit (Requires cylinder removal) as you must open oil galley from 1mm to 2mm.