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Wiseco Piston Kit Yamaha YFM550 Grizzly 2009-2013 10.25:1 92mm Bore 40104M09200

Part Number: 09104169
WISECO
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SKU:
09104169
MPN:
40104M09200
Condition:
New
Availability:
Ships Same Business Day
Weight:
1.30 LBS
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$189.95

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Description

If you're rebuilding your Yamaha YFM550 Grizzly or pushing performance limits on the trail and at the track, a quality piston kit is non-negotiable. Wiseco's forged high-silicon alloy construction delivers the durability and precision needed for sustained power delivery, while the 10.25:1 compression ratio unlocks measurable performance gains without requiring extensive engine modifications. This complete kit—rings and circlips included—installs as a bolt-in solution for both recreational riders and competitive racers.

  • High-silicon alloy construction
  • 10.25:1 compression ratio
  • 92mm bore diameter
  • Forged piston design
  • Includes rings, circlips
  • Yamaha YFM550 Grizzly specific
  • 2009–2013 model compatibility
  • Trail and racing capable
  • Complete installation kit
  • Wiseco precision engineering
  • MPN: 40104M09200
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Specs

DISPLACEMENT:
558 CC
MODEL:
FORGED SERIES
PRODUCT NAME:
PISTON KIT
BORE - OVERSIZE:
STANDARD
BORE - OVERSIZE METRIC:
STANDARD
BORE SIZE METRIC:
92.00 MM
COMPRESSION RATIO IMPERIAL:
10.25:1
PISTON DIAMETER METRIC:
91.92 MM
SKIRT COATING:
ARMORGLIDE®
UNITS:
KIT
PISTON MATERIAL:
FORGED 2618 ALUMINUM
ENGINE TYPE:
4-STROKE
RIDING STYLE:
ATV
STROKE LENGTH METRIC:
84.00 MM
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Fitment

Fitment for Wiseco Piston Kit Yamaha YFM550 Grizzly 2009-2013 10.25:1 92mm Bore 40104M09200

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