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Wiseco Piston Kit Yamaha YFM450 Grizzly 2007-2014 4939M08500

Part Number: 09102852
WISECO
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SKU:
09102852
MPN:
4939M08500
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.97 LBS
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$224.95

Ships from Manufacture | Call to Order (231) 767-5055

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Description

Whether you're rebuilding your YFM450 Grizzly after hard trail use or maximizing output on your performance build, the Wiseco Piston Kit delivers the precision engineering and durability that separates reliable power from catastrophic failure. Wiseco's proven forging process ensures consistent bore fitment and ring seal integrity, giving you the confidence to push your machine hard without compromise. This kit is the foundation of a bulletproof bottom end—get it right the first time.

Before You Order: This kit does not include a gasket kit. You'll need to source a complete gasket set separately to complete your rebuild.

  • Fits: Yamaha YFM450 Grizzly 2007-2014
  • MPN: 4939M08500
  • Precision-forged construction
  • Optimized ring profile
  • Lightweight design
  • Reduced inertial mass
  • Enhanced power delivery
  • Maximum durability
  • CNC-precision tolerances
  • Standard installation tools
  • Gasket kit sold separately
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Specs

BORE SIZE METRIC:
85.00 MM
DISPLACEMENT:
420 CC
PISTON MATERIAL:
ALUMINUM ALLOY
PISTON MATERIAL:
FORGED
PRODUCT NAME:
PISTON
STROKE LENGTH METRIC:
75.00 MM
UNITS:
EACH
BORE - OVERSIZE:
+0,50 MM
COMPRESSION RATIO IMPERIAL:
11.0:1
ENGINE TYPE:
4-STROKE
RIDING STYLE:
ATV
BORE - OVERSIZE METRIC:
+0.50 MM
RIDING STYLE:
UTV
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Fitment

Fitment for Wiseco Piston Kit Yamaha YFM450 Grizzly 2007-2014 4939M08500

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