
WISECO Forged Piston - Manufacturer Ref. W4798M03900
Designed for motocross and 50cc applications, this Wiseco forged piston provides strength and reliability where demands are highest. Machined from high-quality aluminum, it features a precise diameter of Ø 39.000 mm (oversize letter A) and a stroke suitable for a compression ratio of 11:1. Its forged design offers a dense and homogeneous structure, sought after for high engine stress.
Compatible with models such as HONDA CRF 50 F (AE04/AE03) and HONDA XR 50 R (AE03), this piston is aimed at riders looking for a robust replacement part for the top-end. Its finish and machining tolerances facilitate break-in and fitting into the corresponding bore.
Before installation, check the condition of the cylinder, clearances, and manufacturer specifications. To ensure optimal longevity, adhere to the torque specifications and perform the break-in according to the engine's recommendations. Manufacturer reference: W4798M03900.