Yamaha R1 09 to 2015 Wossner Pistons - std Bore. 78mm

PISTON KIT 78MM BORE 77.96 WOSSNER SET/4 K8812DA-4 (STD) This Kit is ex display , not used ! Hence price reduction. YAMAHAR1 YZF1000 2009-2015,,, 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-W9902.000.WO (ORO2U.COM)YAMAHAPISTON KIT SET/4 WOSSNER K8812DA-4 STD BORE 78.00MM.DISPLACEMENT 1000CCCOMP.HEIGHT 22.80MM CROSS REFERENCE NUMBERS ONLY.CLIP NO. CW17,PISTON PIN NO. WP083,REPLACEMENT RING SET NO. 780XAS DISPLAY (CM3) 998HUB STROKE (MM) 52.20CLEARANCE (MM) 0.04DOME VOLUME (CM3) -3.30COMPRESSION HEIGHT (MM) 22.80THEORECTICAL WEIGHT (G)