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Wiseco 05-06 Yamaha Vector 4v Domed 12.51 CR Piston Kit

SKU: WISSK1365

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

Wiseco 05-06 Yamaha Vector 4v Domed 12.51 CR Piston Kit

SKU: WISSK1365

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

A$1,211.08
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 Set

Data: v4.2 - Upd: 2026-09-30 17:37:09

Features

  • 79.00 mm Bore, 12.5:1 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
SK1365
Product Attributes - Part Type
Powersports Piston and Ring Kits
Product Attributes - Product Line
Wiseco Powersports 4-Stroke Forged Series Piston Kits
Product Attributes - UPC
193564159960
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Bore (in.)
3.110 in.
Product Attributes - Bore (mm)
79.000mm
Product Attributes - Stroke
66.20mm
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Pin Diameter (in.)
0.748 in.
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Top Ring Thickness
1.0mm
Product Attributes - Top Ring Material
Steel
Product Attributes - Second Ring Thickness
1.0mm
Product Attributes - Second Ring Material
Iron
Product Attributes - Oil Ring Material
Stainless steel
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.
Product Attributes - Notes
Piston kit includes the head gasket.

Reference Information

Brand Name/s Wiseco
StreetFX SKU wisSK1365
SFX Item ID 4066560
Supplier Item Code 4066560
Manufacturer SKU SK1365
Manufacturer UPC 193564159960

Compatibility

Application Data
  • MakeYAMAHA
    ModelRS90GTA RS VECTOR 40TH ANNIV
    Beginning Year2008
    Ending Year2008
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRS90GT VECTOR GT
    Beginning Year2006
    Ending Year2008
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRS90M RS VECTOR MOUNTAIN
    Beginning Year2005
    Ending Year2007
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRS90MS RS VECTOR MOUNTAIN SE
    Beginning Year2006
    Ending Year2007
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRS90N NYTRO
    Beginning Year2006
    Ending Year2007
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRS90NR NYTRO ER
    Beginning Year2006
    Ending Year2007
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRS90R RS VECTOR ER
    Beginning Year2005
    Ending Year2006
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRS90 RS VECTOR
    Beginning Year2005
    Ending Year2008
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRSG90GT RS RAGE GT
    Beginning Year2007
    Ending Year2007
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRSG90 RS RAGE
    Beginning Year2005
    Ending Year2007
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRST90GT RS VENTURE GT
    Beginning Year2007
    Ending Year2015
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRST90 RS VENTURE
    Beginning Year2005
    Ending Year2015
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelRST90TF RS VENTURE TF
    Beginning Year2015
    Ending Year2015
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.
  • MakeYAMAHA
    ModelVK10 VIKING PROFESSIONAL
    Beginning Year2006
    Ending Year2009
    Powersports Compression Ratio12.50 to 1
    Application NotesPiston kit includes the head gasket.

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