TOP END PISTON KIT 82-84 YAMAHA YZ IT 490 88.5mm OVER VINTCO KTY53-1.5

This top end piston kit is designed for 1982 to 1984 Yamaha YZ490 and IT490 models and provides the main components required for a top-end rebuild in one package. It includes a forged piston made in Germany with an MOS2 coating for break-in, cylinder head, cylinder base, intake and exhaust pipe gaskets, and a wrist pin bearing. Kit price includes a 10% discount over the individual items.

Features

• Complete top end piston kit
• Intended for top-end rebuild applications
• Forged piston with MOS2 coating for break-in
• Includes cylinder head gasket
• Includes cylinder base gasket
• Includes intake gasket
• Includes exhaust pipe gasket
• Includes wrist pin bearing

Specifications

• VintCo Part Number: KTY53-1.5
• Nominal piston size: 88.5 mm
• Piston oversize: 1.5 mm
• Piston diameter: 88.42 mm
• Piston clearance: 0.08 mm
• Piston made in Germany

Cross-Reference OEM Part Numbers

• Cylinder Head Gasket: 5X6-11181-00-00
• Cylinder Base Gasket: 40T-11351-01-00
• Intake Gasket: 80L-013621-01-00
• Exhaust Pipe Gasket: 3R4-14613-00-00

Vehicle Fitments

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