Wossner forged Piston kitYAMAHA 400 DT 400 - 1975 - 1978Ref : WO00220A / 1093657002

WÖSSNER forged piston, designed and machined in Germany for classic roadster and cross applications. This aluminum piston is intended for engines accepting a +0.50 oversize (letter 050) and meets tight machining tolerances for a precise fit in the corresponding bore.

• Manufacturer reference: 8263D050
• Type: forged piston
• Material: aluminum
• Piston diameter: Ø 85.420 mm
• Recommended bore diameter: 85.50 mm (oversize 0.50)
• Compression: standard
• Finish: anti-friction treated skirt
• Delivered with: ring(s), circlips, and pin

Designed by engine parts specialists for 2 and 4-stroke engines, this Wössner piston is aimed at riders looking for a reliable replacement part for engine restoration or preparation. Specifically compatible with YAMAHA DT 400 (1976–1978) in 400 cm³, it is suitable for installations requiring the +0.50 size. Always check the exact match with your cylinder and manufacturer recommendations before installation.