Piston Rings & Kits

Affordable replacement piston rings & full piston kits for 50cc-200cc scooters, ATVs, pit bikes, dirt bikes, go-karts, and mopeds — restores compression, fixes oil burning, smoking, power loss, or knocking during rebuilds. Includes piston ring sets (single rings or full sets, e.g., 47mm GY6 80cc, 52.4mm 110cc, 54mm 125cc, 57.4mm GY6 150cc) and complete piston kits (piston + rings + pin + clips, bores 39mm–63.5mm) in 2-stroke (40mm/44mm) and 4-stroke (GY6/CG horizontal/vertical) — durable aftermarket fixes on a budget.

Best fits: GY6 49cc–150cc (139QMB/50cc short, 80cc, 125cc–150cc 157QMJ; TaoTao, Jonway, SunL, Roketa, Baja, SSR, Coolster scooters/ATVs), horizontal engines 50cc–125cc (pit bikes/go-karts), CG/Lifan/Zongshen/Loncin 125cc–200cc vertical (CG125/150/200), 2-stroke 47cc–50cc (Zenoah G23LH/G2D, Jog mopeds, pocket bikes), and many Chinese clones. Most are plug-and-play direct replacements with precise bore matching for quick top-end rebuilds or performance tweaks!

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