PISTON KIT 82-84 YAMAHA IT YZ 490 89mm 2.0mm OVER VINTCO PSY20-2.0

VintCo PSY20-2.0 is a piston kit for selected vintage Yamaha 2-stroke motorcycles, covering 1982-1984 IT490 and YZ490 applications. Manufactured in Germany using modern materials and production techniques, it is intended to provide OEM-equivalent or better fit and performance. This 89 mm piston kit is a +2.0 mm oversize assembly and includes the piston, rings, pin and clips; it also features a MoS2 coating for running-in. A wrist pin bearing is available separately, and additional size options are also available.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke Yamaha IT490 and YZ490 applications
• Wrist pin bearing sold separately
• Additional size options available

Specifications

• VintCo Part Number: PSY20-2.0
• Piston diameter: 89 mm
• Oversize: +2.0 mm
• Piston size: 88.92 mm
• Clearance: 0.08 mm
• Construction: Forged
• Coating: MoS2
• Country of manufacture: Germany

Vehicle Fitments

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