VintCo KTY19-00 is a standard 70.0 mm top end piston kit for 1974–1975 Yamaha YZ250 models. The kit includes a forged piston with German MoS2 coating for break-in, along with head, base, intake and exhaust gaskets and a wrist pin bearing. Kit pricing includes a 10% discount compared with the individual items.

Features

• Complete top end piston kit
• Includes forged piston with German MoS2 coating for break-in
• Includes head gasket
• Includes base gasket
• Includes intake gasket
• Includes exhaust gasket
• Includes wrist pin bearing
• Kit price includes a 10% discount over individual items

Specifications

• VintCo Part Number: KTY19-00
• Standard size: 70.0 mm
• Piston diameter: 69.94 mm
• Clearance: 0.06 mm

Cross-Reference OEM Part Numbers

• Head Gasket: 431-11181-00-00
• Base Gasket: 214-11351-09-00
• Intake Gasket: 8Y7-13556-01-00
• Exhaust Gasket: 431-14613-00-00
• Wrist Pin Bearing: 93310-218A6-00

Vehicle Fitments

• 1974 Yamaha YZ250
• 1975 Yamaha YZ250