Racing Base Gasket for Yamaha 4-stroke 50cc engines RB033G-Y10032

0.2mm thick base gasket (2 pieces included, OEM: 0.5mm thick) High-compression base gasket for easily increasing low- to high-speed power. *Note: Use high-octane gasoline when installing this product. Check regulations before use for racing. For Yamaha 4-stroke 50cc engines, including JOG, VINO, VOX, GEAR, and Bws50.