Wossner · Pistons, Rings & Piston Kits

8601DA - Wossner Piston kit For Yamaha YFZ450 2004-2005 94.95 mm

Features: Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication. Lightweight piston with a tight piston wall clearance for a quieter running engine. Skirt coated for reduced friction and improved break in performance. Ring land treatment for improved ring seal and oil control. Double bridged forging design where noted. Kit includes piston, rings, wrist pin and pin locks. 62.00 mm stroke for '04-'05 Yamaha. 63.40 mm stroke for '06-'24 Yamaha. 13.0:1 compression ratio for '04-'05 Yamaha. 12.4:1 compression ratio for '06-'09 carbureted Yamaha. 12.6:1 compression ratio for '09-'13 EFI Yamaha. 12.6:1 compression ratio for '12-'13 carbureted Yamaha. 12.8:1 compression ratio for '14-'24 EFI Yamaha. Kit Includes: • Piston #8601DA • Ring Set #RIK95.00 • Wrist Pin #WP038-SP • Retaining Clips #CW20.

90-day range £∞–-£∞ · average £NaN