Convert your CRF / XR50 to an 88cc screamer with this complete kit. Everything is included to upgrade the performance of your mini-bike. This kit uses your stock CRF / XR50 cylinder head.
- Aluminum BBR cylinder.
- Special 52 mm piston specially designed to work with your stock cylinder head's combustion chamber.
- BBR special grind camshaft take full advantage of the large piston for great performance.
- Special BBR tapered aluminum intake manifold adapts the large carb to the stock intake port size.
- 18 mm Keihin PC carb includes extra main and pilot jets for easy tuning.
- Also includes CR style throttle, cable, air filter and top end gasket kit.