Piston kit 64.50mm Bore 64.43 Wossner 8221D050 (+0.50mm) YAMAHA
350 R5 1973 - 1975, Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9898.050.WO
YAMAHA 350 R5 1973-1975,
WOSSNER PISTON KIT 8221D050 O/S +0.50 BORE 64.50mm

Cross reference numbers ONLY.
Clips. CW16,
Pin. WP027,
Rings. RSB6450 x 2 Display (cm3) 347
Hub stroke (mm) 54.00
Clearance (mm) 0.07
Wossner compression Ratio: 2 stroke
OEM Compression ratio: 2 stroke
Dome volume (cm3) -
Compression height (mm) 36.00
Theorectical weight (G)