Engine Top End Overhaul Kit.

Specifications:

• Fits 1978-1981 and 1983-1989 Yamaha G1 2-cycle gas models
• Replaces Yamaha OEM # J10-11311-00, J10-11631-00-96, J10-11181-00, 881-11351-01, and 10V-13621-00

Kit includes:

• (1) Cylinder
• (1) Standard size piston assy.
• (1) Base gasket
• (1) Head gasket
• (1) Reed valve gasket
• (1) Exhaust gasket

Note: DOES NOT fit 1982 Yamaha G1 2-cycle gas models.