Collection: Engine rebuild kit
Restore lost power and improve engine reliability with our complete range of top-end and cylinder rebuild kits for PW50, PW80, PY80 and other small-displacement pit bikes and dirt bikes. Each kit includes precision-matched components designed to deliver strong compression, smooth running and long-lasting durability—ideal for full top-end refreshes, workshop repairs or performance restoration.
Key Benefits:
• Complete cylinder, piston, ring and gasket rebuild kits for 50cc–80cc engines
• Precision-machined parts for reliable sealing and improved engine performance
• Direct-fit solutions for PW50, PW80, PY80 and compatible 2-stroke models
• Ideal for fixing low compression, starting issues, loss of power and worn top-end parts
• Perfect for maintenance, restoration projects or full engine rebuilds
Whether you're rebuilding a tired engine or restoring factory performance, these kits offer a simple, affordable and reliable solution.
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40mm Bore Top-End Rebuild Kit – Compatible with PW50-Style 50cc Engines
Regular price $84.66 AUDRegular priceUnit price / perSale price $84.66 AUD -
Cylinder Head, Barrel & Piston Kit Fits Yamaha PW80 PY80 – 47mm Replacement Top-End Set
Regular price $106.66 AUDRegular priceUnit price / perSale price $106.66 AUD -
Top End Cylinder Head Barrel Piston Ring Rebuild Kit for Yamaha PW80 PY80 PeeWee 80cc
Regular price $101.88 AUDRegular priceUnit price / perSale price $101.88 AUD