PISTON KIT 99-25 YZ250 66.40 B, PROX 01.2321.B RM250 03-12Piston KIT 66. 40mm Bore [Piston Size: 66. 36mm] ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low expansion, low friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc. Coated for ultimate performance Most of the ProX pistons come with

HPI Ignition for 1980-1981 Yamaha YZ465

The texas scorpion was an enduro bike

pistons or gaskets – although I should be able to provide them & I always prefer to use Wossner pistons where possible

Wossner Piston Yamaha YZ250 70 mm Bore (PN# 8023D200)

6mm ID x 5

YAMAHA: 5UL-11651-00-00 YAMAHA: 5XC-11651-00-00

Overview of Wiseco Pro-Lite Piston Assembly - 804M06640

Athena performs surface treatments to compensate irregularities and follows material stress relieving processes to improve sealing in the most critical areas

The cables come with all necessary mounting parts

Clearance (mm) 0

2004 Yamaha YZ250

Wossner forged piston kit with a 71