Description
12mm Heavy Duty Wrist Pin Bearing for 50cc 2-Stroke Scooters and Mopeds
This heavy duty wrist pin bearing is designed for 50cc 2-stroke engines, ensuring reliability and performance in your scooter or moped. It maintains engine stability during high RPM operation, making it a critical component for performance tuning or routine maintenance. The bearing features a silver-plated cage that effectively handles extreme thermal stress while reducing friction. It is one of the scooter pistons & piston rings that can significantly impact your engine's longevity and performance.
Construction and Performance
Constructed with a heavy duty silver cage, this bearing offers superior heat dissipation compared to standard options, which extends its life and performance under load. Precision needle rollers made from hardened steel ensure smooth piston movement and maximum load capacity, making it suitable for sport and mid-race applications where crankshaft RPM exceeds factory specifications.
Installation and Maintenance
Replacing the wrist pin bearing is critical during a top-end rebuild to prevent engine failure. When installing, it's advised to coat the bearing generously with 2-Stroke Racing Oil to guarantee immediate lubrication upon first start-up. Additionally, always check the tension of your piston circlips during this process for reliable performance.
Specifications
- Material: Silver-Plated Heavy Duty Cage
- Size: 12mm Inner Diameter, 17mm Outer Diameter, 13mm Length
- Position: Small End Bearing
Fitment
This bearing is compatible with a variety of 50cc 2-stroke models, ensuring a precise fit for many scooters and mopeds. The following makes and models utilize this part:
- Vespa / Piaggio: ET2, LX/LXV, Primavera, Sprint 50, Fly 50, Typhoon 50
- Honda: Dio, Elite 50 (1994+ / AF27/AF28/AF34/AF35)
- Aprilia: SR 50, Mojito, Scarabeo, Sport City One 50
- Kymco / SYM: Super 9, Agility, Like 50, DD 50, Fiddle I, Jet 50
- Vintage Vespa: PK 50, V 50
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
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