TOP END REBUILD KIT (B PRO) YAM YZ400F 98-99 #ERTY024BP

Regular price
$293.60
Sale price
$286.00
Tax included.

Kits Contents
Piston: WO8639DB - WOSSNER PISTON YAM YZ400F 98-99 91.96MM HC PRO
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. , 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