WSM Top End Rebuild Kit For Yamaha YFM 660 F 4X4 2002-2004 Standard Brand_Mustang Manufacturer part number: CL061

Manufacturer part number: CL061

Manufacturer part number: 8464000002

Manufacturer part number: KWF-02-0517

Manufacturer part number: 20-80512

the pockets will not allow any moisture underneath the cover

WSM Top End Rebuild Kit For Yamaha YFM 660 F 4X4 2002-2004 Standard Brand_Mustang Manufacturer part number: CL061The WSM Top End Rebuild Kit For Yamaha YFM 660 F 4X4 2002 2004 Standard is part of the latest collection from WSM. Features: Top quality piston kit Includes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gaskets and oil filter for 4 stroke models Specifications: Bore Oversize Metric: Standard Bore Oversize: Standard Bore Size Metric: 100. 00 mm Bore Size: 100. 00 mm Displacement: 660 cc Engine Type: 4 Stroke Material: