Wiseco Pistons 01.2510.050 ProX Racing Parts (01.2510.050) 81.50mm 2-Stroke Piston Kit

Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. Uses an OEM style tin coating to assist the break-in process when you first start your machine. Fits: Yamaha all 650cc Big Bores 1990-1996, Superjet 700 1994-2013, Wave Blaster 700 '93-04, Wave Raider 700 '94-97, Wave Runner 700 '93-04, Wave Venture700 '95-04, XL 700 1995-2005, Wave Runner 1100 1995-1997, Wave Venture 1100 1995-1997. Notes: 81.50mm bore.