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Wiseco Honda XR100 81-03/CRF100F 04-13 9.41 Piston kit

SKU: WIS4666M05400

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports...

Wiseco Honda XR100 81-03/CRF100F 04-13 9.41 Piston kit

SKU: WIS4666M05400

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports...

A$310.23
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

Wiseco Honda XR100 81-03/CRF100F 04-13 9.41 Piston kit

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.

Additional Information

Wiseco 4 Stroke Forged Series Piston Kit, 54.00 mm Bore, 9.4:1 CR

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-11-08 13:48:59

Features

  • 54.00 mm Bore, 9.4:1 CR
  • 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
  • Improved tensile strength of forged material optimizes strength and service life
  • Includes high-quality piston rings, wrist pin(s), and circlips

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:46:41

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: piston)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wiseco, WISECO-PRO TRU
StreetFX SKU wis4666M05400
SFX Item ID 4068185
Accounting SKU wis-4666M05400
Manufacturer SKU 4666M05400
Manufacturer UPC 193564140074
Alternative References 4666M05400, WIS-4666M05400

Piston and Ring Kit, Forged Aluminum, 54.000mm Bore, Honda®, Kit

Wiseco powersports piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.

Product Attributes
BrandWiseco
Manufacturer's Part Number4666M05400
Part TypePowersports Piston and Ring Kits
Product LineWiseco Powersports Piston Kits
UPC00193564140074
Piston MaterialForged aluminum
Bore (mm)54.000mm
Stroke45.00mm
Wrist Pin StyleFloating
Wrist Pin Retainers IncludedYes
Top Ring MaterialSteel
Top Ring Facing MaterialGas nitrided
Second Ring MaterialCast iron
Second Ring Facing MaterialCast iron
Oil Ring MaterialStainless steel
Oil Ring Facing MaterialNitride
File FitNo
GaplessNo
Gaskets IncludedNo
QuantitySold as a kit.

Manufacturer Attributes
Piston Oversize 1.00
Product Series 4 Stroke Forged Series
Piston Material 4032
Piston Diameter 53.97
Bore Diameter 54.00
Compression Ratio Actual 9.4:1
Product Market Dirt Bike
Title - Web Honda XL100S XR100R CRF100F Wiseco Piston Kit - 54.00 mm Bore
Engine Type ICE
Skirt Coating No
Product Type Piston Kits
Industry Powersports
Included Components Ring Set #2126XE, Wrist Pin #S593, CirClip #CW14
Title Wiseco 4 Stroke Forged Series Piston Kit, 54.00 MM Bore, 9.4:1 CR
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Category Hierarchy Powersports>Pistons>Piston Kits>Dirt Bike Piston Kits
Manufacturer Designation Honda XR100 '81-03/CRF100F '04-13 9.4:1
Product Class Engine Piston
Construction/Type Wiseco 4 Stroke Forged Series Piston Kit, 54.00 mm Bore, 9.4:1 CR
Product Outline <ul><li>Engineered, forged, and machined in the USA in Mentor, OH</li><li>Designed and built for each specific 4-stroke powersports engine</li><li>Improved tensile strength of forged material optimizes strength and service life</li><li>Dedicated forgings allow for optimized strength-to-weight ratio</li><li>Includes high-quality piston rings, wrist pin(s), and circlips</li></ul>
Vehicle Brief Honda XR100 '81-03/CRF100F '04-13 9.4:1
Market 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.

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