Convert your CRF/XR50 to an 88cc screamer with this complete kit. Everything is included to upgrade the performance of you mini-bike. This kit uses your stock CRF/XR50 cylinder head.
• Aluminum BBR cylinder.
• Special 52mm 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.
• 18mm carb includes extra main and pilot jets for easy tuning
• Also includes CR style throttle, cable, air filter and top end gasket kit.
• Installation available for $200 (plus shipping)
Installation Note: Throttle unit included with kit will only work with 7/8" handlebars and will not mount to stock XR/CRF50 handlebars. Stock handlebars are 3/4".