Top end piston kit for 1974-1975 Yamaha TY80 and 1974 Yamaha YZ80 models, supplied as a complete package with a forged piston, gasket set and wrist pin bearing. The kit includes a piston manufactured in Germany with an MOS2 break-in coating, along with the required cylinder head, cylinder base, reed valve and exhaust pipe gaskets. Kit pricing reflects a 10% reduction compared with purchasing the included items separately.

Features

• Complete top end piston kit
• Forged piston
• MOS2-coated piston for break-in
• Includes cylinder head gasket
• Includes cylinder base gasket
• Includes two reed valve gaskets
• Includes exhaust pipe gasket
• Includes wrist pin bearing
• Piston manufactured in Germany
• Kit price includes a 10% discount compared with individual items

Specifications

• VintCo Part Number: KTY20-1.5
• Nominal piston size: 48.5 mm
• Oversize: 1.5 mm
• Piston measurement: 48.45 mm
• Clearance: 0.05 mm

Cross-Reference OEM Part Numbers

• Cylinder head gasket: 598-11181-00-00
• Cylinder base gasket: 367-11351-01-00
• Reed valve gasket: 3MT-13621-00-00
• Exhaust pipe gasket: 3MT-14613-00-00

Vehicle Fitments

• 1974 Yamaha TY80
• 1974 Yamaha YZ80
• 1975 Yamaha TY80