Cylinder for Yamaha Tune Up 686 CCM YFM 660 R Raptor/Grizzly/Rhino660

  

Cylinder tuning 686 cc for Yamaha YFM 660 R Raptor/Grizzly/Rhino660 Zone Customization and Performance Parts: Tuning, More Performance Engine and Drive Parts Zone: Cylinder and Cylinder Head 686cc tuning cylinder for Yamaha YFM 660 R Raptor Quad, Yamaha YFM 660 Grizzly ATV, Yamaha YXR 660 Rhino UTV This big bore tuning cylinder kit was focused on more power with plenty of torque added value. The cylinder tuning kit has been installed and sold by us for years and is absolutely reliable and of very high quality. Aluminum tuning cylinder with gray cast iron coating for extreme load even at high speeds!

Fully ready to assemble Big Bore Cylinder Tuning Kit, you don't need any.