WÖSSNER Pro Series Forged Piston (manufacturer part number 8510DA) — Designed for motocross, this forged aluminum piston is manufactured in Germany by Wössner, a specialist in engine parts for 2-stroke and 4-stroke engines. It meets the demands of high-performance engines subjected to the rigors of off-road use: sharp accelerations, high RPMs, and frequent maintenance.
- Bore diameter: 84.00 mm
- Piston diameter: Ø 83.94 mm
- Oversize letter: A (oversize for re-bored cylinders)
- Material: Forged aluminum
- Number of rings: 2
- Treatment: anti-friction skirt
- Supplied with: rings, circlips, and pin
This piston kit is intended as a replacement part to restore the piston/cylinder clearance after re-boring. The treated skirt reduces friction during break-in and intensive use, while the forged construction provides a uniform structure suitable for the thermal and mechanical stresses encountered in motocross. Always check your cylinder's specifications before installation and adhere to manufacturer tolerances.
Noted compatibilities: HUSQVARNA TE 350 (1992‑1994) — suitable for the listed displacements and models, to be confirmed according to the year and bore size.
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