Yamaha Zuma 50cc Stock Bore Cylinder & Piston Kit – Vertical (1989–2001) & Horizontal (2002–2011)

Get your Yamaha Zuma back on the road without breaking the bank. This 50cc stock bore cylinder and piston replacement kit is a direct-replacement rebuild solution for both the vertical engine (1989–2001) and horizontal engine (2002–2011) Zuma models — all for under $70. Matching original factory specs, this kit is the ideal choice when your cylinder is worn, scored, or damaged and you need a reliable OEM-spec rebuild without upgrading displacement. Select your engine orientation from the variant selector.

• Includes: cylinder, piston, 2 piston rings, piston pin, circlips & gaskets
• Stock bore / OEM specs — no machining required
• Cylinder head not included
• Compatible with Yamaha Zuma / BWs 50cc scooters

Pro tip: Add an Exhaust Stud Kit and ProCure Gasket Sealant to prevent leaks and complete your rebuild right the first time.

It is recommended to replace the Intake Gasket