PISTON KIT 82-84 YAMAHA YZ IT 490 88mm 1.0mm OVER VINTCO PSY20-1.0

VintCo PSY20-1.0 is a piston kit for vintage Yamaha 2-stroke motorcycles, intended for rebuild and replacement use on specified IT490 and YZ490 models. The kit includes the piston, rings, pin and clips, with the wrist pin bearing available separately. It is manufactured using modern production methods to provide OEM-equivalent fitment and performance.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke engine rebuilds
• Wrist pin bearing sold separately
• Designed for OEM-equivalent fitment and performance

Specifications

• VintCo Part Number: PSY20-1.0
• Bore size: 88 mm
• Oversize: +1.0 mm
• Piston type: Forged
• Coating: MoS2
• Country of manufacture: Germany
• Piston measurement: 87.92 mm
• Clearance: 0.08 mm

Vehicle Fitments

• 1982 Yamaha YZ490
• 1983 Yamaha IT490
• 1983 Yamaha YZ490
• 1984 Yamaha IT490