
WISECO Forged Piston – manufacturer reference W4171M07500. Designed for restorations and engine rebuilds of roadsters, this forged aluminum piston offers a robust wear part for interventions on the original cylinder head. Ideal for replacing a worn piston during a re-bore or a complete engine overhaul.
The WISECO piston is intended for the displacements and setups indicated for Honda XL 250 (MD03, L250S) models from 1981 to 1983. Its forged construction provides a homogeneous structure and better resistance to thermal and mechanical stresses encountered in road use. The supplied kit includes the necessary rings for a clean installation and a cylinder/piston clearance that conforms to the specified dimensions.
Whether you are restoring an old trail bike or preparing an engine for a long season, this piston provides the reliable replacement part your top-end needs. Check compatibility with your model and bore dimensions before installation to ensure an optimal fit.