This top end piston kit is for 1976 Yamaha IT400 and YZ400 models and includes the main components required for a top end rebuild. It is supplied with an 86.5 mm, 1.5 mm oversize piston, the necessary gaskets, and a wrist pin bearing, with kit pricing set at 10% below the total cost of the individual items.

Features

• Complete top end rebuild kit
• Includes piston
• Includes cylinder head gasket
• Includes cylinder base gasket
• Includes intake gasket
• Includes exhaust pipe gaskets
• Includes wrist pin bearing

Specifications

• VintCo Part Number: KTY50-1.5
• Nominal piston size: 86.5 mm
• Oversize: 1.5 mm
• Measured piston size: 86.42 mm
• Clearance: 0.08 mm
• Piston construction: Forged
• Piston coating: MOS2
• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Cylinder Head Gasket: 500-11181-00-00
• Cylinder Base Gasket: 500-11351-09-00
• Intake Gasket: 8Y7-13556-01-00
• Exhaust Pipe Gasket: 214-14613-09-00
• Exhaust Pipe Gasket: 248-14623-10-00

Vehicle Fitments

• 1976 Yamaha YZ400
• 1976 Yamaha IT400