Street. Track. Everything between.
07 3276 7829
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Wiseco 11-14 Kawasaki KX250F 14.5:1 CR Piston

SKU: WIS40020M07700

Powersports Piston and Ring Kits

WIS Powersports Single Pistons...

Wiseco 11-14 Kawasaki KX250F 14.5:1 CR Piston

SKU: WIS40020M07700

Powersports Piston and Ring Kits

WIS Powersports Single Pistons...

A$234.75
IN STOCK! Est Ship 3-5 Days days. In stock at 1 location (only 1 available)

Added to cart

We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Exclusive Wiseco flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Wiseco part numbers. There's never been a better time to buy your Wiseco upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Wiseco 11-14 Kawasaki KX250F 14.5:1 CR Piston

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

77.00 mm Bore - 14.5:1 CR

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-11-09 19:17:37

Features

  • 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 09:44:58

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 wis40020M07700
SFX Item ID 4064776
Accounting SKU wis-40020M07700
Manufacturer SKU 40020M07700
Manufacturer UPC 193564138668
Alternative References 40020M07700, WIS-40020M07700

Piston and Ring Kit, Forged Aluminum, 77.000mm Bore, Kawasaki, 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 Number40020M07700
Part TypePowersports Piston and Ring Kits
Product LineWiseco Powersports Piston Kits
UPC00193564138668
Piston MaterialForged aluminum
Bore (mm)77.000mm
Stroke53.60mm
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 MaterialNitride coated stainless steel
File FitNo
GaplessNo
Gaskets IncludedNo
QuantitySold as a kit.

Manufacturer Attributes
Compression Ratio Actual 14.5:1
Piston Material 2618
Product Series 4 Stroke Forged Series
Piston Diameter 76.96
Bore Diameter 77.00
Product Market Dirt Bike
Engine Type ICE
Title - Web Kawasaki KX250F Wiseco Piston Kit - 77.00 mm Bore
Product Type Piston Kits
Industry Powersports
Included Components Ring Set #7700YC, Wrist Pin #S677, CirClip #W6883
Piston Oversize STD
Title Wiseco 4 Stroke Forged Series Piston Kit, 77.00 MM Bore, 14.5:1 CR
Skirt Coating Yes
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Category Hierarchy Powersports>Pistons>Piston Kits>Dirt Bike Piston Kits
Manufacturer Designation Kawasaki KX250F '11-14 14.5:1 CR
Product Class Engine Piston
Construction/Type Wiseco 4 Stroke Forged Series Piston Kit, 77.00 mm Bore, 14.5:1 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 Kawasaki KX250F '11-14 14.5:1 CR
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.

Compatibility

Loading compatibility information...

Keep shopping

More from Wiseco