This top end piston kit is designed for the 1986 Yamaha YZ250 and provides the principal components required for a standard-size top end rebuild. The kit includes a forged piston made in Germany with an MOS2 coating for running-in, along with the required gaskets, O-ring and wrist pin bearing. Kit pricing includes a 10% discount compared with purchasing the items individually.

Features

• Complete top end piston kit
• Includes forged piston with MOS2 coating for running-in
• Includes two head gaskets
• Includes base gasket
• Includes intake gasket
• Includes exhaust pipe gasket
• Includes holder gasket
• Includes O-ring
• Includes YPVS housing gasket
• Includes wrist pin bearing

Specifications

• VintCo Part Number: KTY38-00
• Nominal size: 68 mm standard
• Piston size: 67.94 mm
• Clearance: 0.06 mm
• Piston construction: forged
• Country of manufacture: Germany
• Coating: MOS2

Cross-Reference OEM Part Numbers

• Head Gasket: 93211-17405-00
• Head Gasket: 93210-77363-00
• Base Gasket: 1LU-11351-01-00
• Intake Gasket: 39X-13621-11-00
• Exhaust Pipe Gasket: 24Y-14613-10-00
• Holder Gasket: 5X4-1131N-10-00
• O-ring: 93210-270A8-00
• YPVS Housing Gasket: 1LU-11993-01-00

Vehicle Fitments

• 1986 Yamaha YZ250