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, all gasket included needed for install. Includes: 20mm carb, intake, heatstop, gaskets, mounting hardware/wrench, air filter, and long throttle cable. High volume oil pump is recommended.This is a great kit to pump up your Honda 50. This kit deliveres over 2 times the horse power as the stock motor. Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit. Check out some of our other products! We will be happy to take care of the issue. We don't make a living upsetting people, we make a living gaining happy Customers! Parts Scooter pocket bike & More. Scooters, Go Karts, and & More. Pit Bike Parts Honda 50 & More. Add our store to your favorites and receive emails about new items and upcoming sales!