50mm Engine Motor Piston Pin Set For 100cc Motorized Bicycle Bike Motor

Upgrade your 100cc motorized bicycle engine with this 50mm piston kit. It is a direct replacement for worn or damaged engine parts, designed for a precise fit with most standard 100cc motorized bike motors. This kit helps restore your engine’s compression, power, and reliability. The piston is made of high-strength aluminum alloy, paired with wear-resistant piston rings, precision-machined piston pins, circlips, washers, and a heavy-duty needle bearing. All components are engineered to handle the high temperatures of regular engine operation, providing consistent performance and reliable service. This all-in-one kit is suitable for engine rebuilds, routine maintenance, or basic performance upgrades. No extra parts are required, helping you save time and the trouble of sourcing components individually.

• 【Fitment】 Designed to fit Predator 196cc/212cc, GX160/GX200, DuroMax, Tillotson 212, BILT HARD 7HP engines, and compatible with go-kart models including Manco, Yerf Dog, Hammerhead 80T, TrailMaster MB200-1/MB200-2, and most standard go-kart setups.
• 【Durability】 Made from heat-resistant materials with thickened pipe walls and reinforced flanges. Engineered to handle high engine temperatures and heavy-duty operation, offering resistance to wear, rust, and deformation over time.
• 【Performance】 Center-exit exhaust system with a reinforced joint between the header pipe and trumpet tip. The optimized welding design helps improve exhaust flow, which supports better engine power and throttle response.
• 【Finish】 Finished with a gold coating that provides a distinctive look for your go-kart. The finish adds visual appeal to the engine area.
• 【Installation】 Designed for a straightforward installation without complex modifications. Kit includes: 1x exhaust pipe, 1x trumpet tip, 1x gasket, 2x lock washers, and 2x screws — suitable for both professional mechanics and DIY enthusiasts.