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Wiseco Yamaha YFZ450 04-13/450R 09-19 11.41 CR Piston Kit

SKU: WIS4865M09600

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

Wiseco Yamaha YFZ450 04-13/450R 09-19 11.41 CR Piston Kit

SKU: WIS4865M09600

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

A$517.20
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-09-30 17:38:20

Features

  • 96.00 mm Bore, 11.4:1 CR
  • Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Designed and built for each specific 4-stroke powersports engine
  • Engineered, forged, and machined in the USA in Mentor, OH
  • Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
  • Improved tensile strength of forged material optimizes strength and service life
  • Includes high-quality piston rings, wrist pin(s), and circlips
  • Performance-Enhancing Features: Varied across applications to maximize both durability and power

Specifications

Product Attributes - Brand
Wiseco
Product Attributes - Manufacturer's Part Number
4865M09600
Product Attributes - Part Type
Powersports Piston and Ring Kits
Product Attributes - Product Line
Wiseco Powersports Piston Kits
Product Attributes - UPC
00193564126085
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Bore (mm)
96.000mm
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Pin Diameter (in.)
0.787 in.
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Top Ring Thickness
1.2mm
Product Attributes - Top Ring Material
Steel
Product Attributes - Top Ring Facing Material
Chrome
Product Attributes - Second Ring Thickness
1.5mm
Product Attributes - Second Ring Material
Cast iron
Product Attributes - Second Ring Facing Material
Cast iron
Product Attributes - Oil Ring Material
Stainless steel
Product Attributes - Oil Ring Facing Material
Chrome
Product Attributes - Oil Ring Thickness
2.0mm
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Gaskets Included
No
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Wiseco
StreetFX SKU wis4865M09600
SFX Item ID 4068219
Supplier Item Code 4068219
Manufacturer SKU 4865M09600
Manufacturer UPC 193564126085
Alternative References YFZ450, 04-13/450R

Compatibility

Application Data
  • MakeYAMAHA
    ModelYFZ450
    Beginning Year2004
    Ending Year2005
    Powersports Compression Ratio12.00 to 1
  • MakeYAMAHA
    ModelYFZ450
    Beginning Year2006
    Ending Year2009
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450
    Beginning Year2012
    Ending Year2013
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450 BILL BALANCE EDITION
    Beginning Year2006
    Ending Year2007
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450R
    Beginning Year2009
    Ending Year2024
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450R SE
    Beginning Year2009
    Ending Year2024
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450 SE
    Beginning Year2007
    Ending Year2008
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450X
    Beginning Year2010
    Ending Year2011
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450X BILL BALANCE
    Beginning Year2010
    Ending Year2010
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYFZ450X SE
    Beginning Year2011
    Ending Year2011
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYXR45F RHINO 450
    Beginning Year2006
    Ending Year2009
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYXR45F RHINO 450 SPECIAL EDITION
    Beginning Year2007
    Ending Year2008
    Powersports Compression Ratio11.40 to 1
  • MakeYAMAHA
    ModelYZ450F
    Beginning Year2004
    Ending Year2013
    Powersports Compression Ratio11.40 to 1

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