120cc Big Bore Kit & HD Clutch Kit w/ Cable - Honda CRF100F XR100R License plate 5mm to match the stock

5mm to match the stock cylinder head port

Hardened and coated steel for durability

Or you can cut the frame and install with rebound on swingarm side like it should be)

CNC machined 6061-T6 billet aluminum

BBR Aluminum MX handlebars

120cc Big Bore Kit & HD Clutch Kit w/ Cable - Honda CRF100F XR100R License plate 5mm to match the stockTB Parts 120cc (58mm) Big Bore Kit & HD Clutch Kit w Cable Fits All Years of the Honda CRF100F & XR100R TBW9379 TB Parts 120cc big bore and clutch kit for the Honda XR CRF100. A lot more fun to ride by adding some much needed power. We also include new clutch plates, heavy duty clutch springs, gasket, and cable for the best value possible. 120cc XR100 & CRF100 Big Bore Performance Kit (58mm): Aluminum cylinder with steel sleeve High compression 58mm