Perfect add-on for our Big Bore kits and exhaust systems. Increase power throughout the RPM range utilizing 18mm carburetor. Includes all required hardware for easy installation right down to a jet assortment for fine tuning..
Choose your kit. 420-HXR-5002 (shown in photo) includes 2 intake manifolds. One for use with stock XR/CRF50 heads and a second that is for use with aftermarket big valve heads or the stock XR/CRF70 head. 420-HXR-5003 includes just the manifold for use with stock XR/CRF50 heads. 420-HXR-5004 includes just the manifold for use with aftermarket big valve heads or the stock XR/CRF70 head.
• 18mm Carb
• Special manifold sized for the CRF/XR50 head
• Special manifold sized for the big valve heads (XR70 and aftermarket)
• Includes gaskets and bolts
• Includes throttle and cable
• Includes 5 main jets and 3 pilot jets
Application Note: This 18mm Carb Kit is not recommended for use on stock displacement CRF50's. Recommended for 82cc or larger displacement motors.
Note: The throttle in this kit is for standard 7/8" diameter handlebars. The stock Honda XR/CRF50 uses 3/4" diameter handlebars. You must use a handlebar kit that changes to 7/8" diameter handlebars to use this throttle.