This Air-cooled, 72cc big bore kit consists of a top-quality, Iron cylinder and a 2-ring alloy piston / 10mm wrist-pin design that makes this kit extremely durable and powerful.

Perfect fit for a Yamaha Jog,  Zuma or Genuine Buddy 50 or Roughhouse 50 looking for more power, on a budget.

This cylinder is also available as part of our Stage 2 Buddy 50 Performance Kit (#PKBUD50-2)

Replacement Piston Assy #1100-1416 

Replacement Rings #1100-1393

Replacement Gasket Set #1100-1415