Honda Z50 Stage 1 Big Bore Kit Vintage CT70 ATC70 TRX70 SL70 XL70
50 Caliber Racing Honda Z50 Stage 1 vintage big bore kit. Improved lightweight 52mm piston and cylinder design, with oversized cooling fins for efficient heat dissipation. Includes all gaskets needed for install.
- Z50 (1968-1978)
- CT70 (1968-1981)
- ATC70 (1973-1985)
- TRX70 (1986-1987)
- SL70 (1971-1973)
- XL70 (1974-1976)
50 Caliber Racing Honda Z50 Stage 1 Vintage Big Bore kit - Z50 CT70 SL70 XL70 ATC70 TRX70
Vintage Stage 1 88cc big bore kit has an improved lightweight 52mm piston and cylinder design, with oversized cooling fins for efficient heat dissipation. Includes all gaskets needed for install. Can be installed by anyone with basic mechanical skills who is not afraid to turn some nuts and bolts. Breathe new life into your Honda with our high quality, affordable, and reliable big bore kit!
Includes:
- Lightweight aluminum cylinder with steel sleeve
- Cast in mounts on cylinder for aftermarket skid plates
- Oversized cooling fins on cylinder for efficient heat dissipation
- High compression 52mm piston with rings, pin, & clips (you can still run pump gas)
- Head gasket kit
Fits the following Honda bikes:
- Z50 (1968-1978) K0-78
- CT70 (1968-1981) K0-81
- ATC70 (1973-1985)
- TRX70 (1986-1987)
- SL70 (1971-1973)
- XL70 (1974-1976)
