PISTON KIT 83-87 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO PSY27-1.0

This VintCo piston kit is designed for 1983-1987 Yamaha YZ250 models and is intended for vintage 2-stroke engine rebuilds requiring a 69 mm piston in +1.0 mm oversize. The kit includes the piston, rings, pin and clips, providing the core components needed for piston replacement, while the wrist pin bearing is available separately.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke Yamaha YZ250 engine rebuilds
• Wrist pin bearing sold separately
• Additional size options available
• MoS2 coating supports running-in

Specifications

• VintCo Part Number: PSY27-1.0
• Bore size: 69 mm
• Oversize: +1.0 mm
• Piston size: 68.94 mm
• Clearance: 0.06 mm
• Forged piston
• Made in Germany

Vehicle Fitments

• 1983 Yamaha YZ250
• 1984 Yamaha YZ250
• 1985 Yamaha YZ250
• 1986 Yamaha YZ250
• 1987 Yamaha YZ250