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BBR 411-HXR-5400 88CC big bore kit with camshaft & carb fits Honda CRF50F XR50R
BBR 411-HXR-5400 88CC big bore kit. With camshaft & 18mm carburetor.
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. 52mm flat-top piston, rings, pin, clips.
18mm carb kit with throttle and cable. Assorted main and pilot jets. Performance manifold and air filter.
Complete top end gasket set. Throttle unit included with kit will only work with 7/8 handlebars and will not mount to stock XR/CRF50 handlebars. This kit will not work with the Honda XR/CRF70 or other big port cylinder heads.
It is designed for the tiny combustion chamber of the OEM Honda XR/CRF50 cylinder head. The flat top piston dome will result in an extremely low compression ratio when combine with the XR/CRF70 type cylinder head. The result is a motor that makes less horsepower than stock. BBR Does not currently make a big bore kit for the XR/CRF70.MojoMotoSport is your one stop shop for exact fit, CNC billet anodized parts for Dirt Bikes, and other industry leading brands of Parts & Accessories for ALL makes & models of motorcycles, ATV & UTV. Listing and template services provided by inkFrog.