BRAND NEW CYLINDER PISTON KIT
GENUINE OEM YAMAHA BLOCK
Wossner 66.35mm Bore Piston Kit
- In-house designed and manufactured; all forgings are produced in Wössner's company-owned forging operation
- Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
- Standard and oversize pistons for most models, with high compression ratios available for 4-stroke applications
- All piston kits include piston, ring, wrist pin and pin locks
- Wössner piston kits are used by leading Supercross, Arenacross and MX GP teams
- Pistons: include piston, rings, pin and clips
- Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance
- 4032 T6 Forged Aluminum Alloy
- German Engineered from Wossner’s own designs and forgings
- Use FEA (computer simulation) to fine tune every design
- T6 Heat Treated for Heat Resistance & Durability for High- Load Use
Included Items:
(1) Piston
(1) Wrist pin
(2) Cir-clips
(1) Piston ring
Instructions
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Pro X Complete Gasket Kit
- Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively
Included Items:
(1) Valve seat gasket
(1) Crankcase cover gasket No. 3
(1) Crankcase cover gasket No. 1
(1) Water pump gasket
(1) Carburetor cover gasket 2
(1) Cylinder gasket
(1) Housing gasket
(1) Cover gasket
(12) O-Rings (assorted sizes)
(1) 32x42x8 Seal
(1) 18x30x6 Seal
(1) 12x25x7n Seal
(1) 12x22x6 Seal
(2) 12x18x5 Seals
(1) 8x12x3n Seal
No instructions
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KIT INCLUDES:
1x OEM YAMAHA BLOCK (5UP-11311-20-00)
1x WOSSNER FORGED SINGLE RING PISTON KIT (8217DA)
1x ProX gasket set (34.2322)
