Kits Contents
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Piston:
WO8639DB - WOSSNER PISTON YAM YZ400F 98-99 91.96MM HC
PRO
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Top End Gasket Set: GSYT810675 - WHITES GASKET
SET TOP YAM YZ400F 98-99
Wossner
Piston
Wossner is Germany's finest aftermarket forged piston
and rod manufacturer and have over 25 years of experience in the
high-performance racing industry. Top European racers and FIM World
Champions rely on Wossner for only the best pistons, rods and customer
service.
Features
- In-house designed and
manufactured; all forgings are produced in Wossner's company-owned forging
operation
- 4-stroke pistons are made using a double-bridged forging
design
- Lightweight pistons with the tightest piston-wall clearances
in the industry give you a quieter running engine
- All pistons
include piston, ring, wrist pin and pin locks
- Wossner pistons are
used by leading Supercross, Arenacross and MX GP teams
- Made in
Germany
Specifications
- Piston Size:
91.96mm
- Oversize: +0.01mm
- Wossner Compression:
13.50:1
- OEM Compression: 12.50:1
- Number of Rings:
3
- Replacement Rings: 920XSY
- Replacement Wrist Pin:
WP053
- Replacement Circlip: CW18
Whites Top End
Gasket Set
Includes all gaskets and o-rings necessary to
complete a piston (top end) rebuild. Competitive pricing, made to meet and
exceed OEM quality and designed as a direct OEM replacement the Whites
Complete Gasket Set is your one-stop shop for engine
rebuilds.
- Designed for OEM replacement
- Made from
high-quality materials
- Meet or exceed OEM
specifications
- Competitive pricing
