2000 Yamaha R1 Cylinder Heads
- Graves Motorsports®Smog Block Off PlugsYamaha R1 2000, Smog Block Off Plugs by Graves Motorsports®. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the cylinder head used by the air injection system (a.k.a smog pumps or AIS). Once these are...Made with innovations for the latest in qualityPerfect for motorcycle applications$23.70