Up to 60% Off Discount Depot Sale. Shop Now

New Arrivals for Fall: Shop Now

Get $15 Cash, Free 2 Day Shipping & More Perks With RPM*

JavaScript Disabled

To get the full Cycle Gear experience, enable JavaScript in your browser settings and refresh this page.

Uh oh - Our system doesn't think this part will fit your 2003 Honda VTX1800R (change vehicle selection)

Moose Racing Piston Kit Kawasaki KX250F 2010-2016

Write a Review

13.5:1 Compression

Fullscreen Zoom

$330^.²²

Fast Lane

Type: 13.5:1 Compression Size: 77.0/Stock Bore

Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

Ships Free to Cycle Gear Stores!

The Cycle Gear Difference

Free Shipping Over $49^.⁹⁹
30-Day Best Price Guaranteed
No-Hassle Returns View Details

Moose Racing Piston Kit Kawasaki KX250F

Features:

Moose Racing pistons feature X-style forgings for ultimate strength, durability, power, weight reduction and less friction
Full radius dome designs maximize quench while eliminating hot spots that promote detonation
Internal bracing maximizes durability while decreasing friction in the pin assembly
Made in the USA

Includes:

High performance piston
Wrist pin
Rings
Circlips

Note: Images are for reference only, actual kit will vary per make and model.

Read More

Uh oh - Our system doesn't think this part will fit your 2003 Honda VTX1800R (change vehicle selection)

Kawasaki: KX250F 2010-2016

This item is also available for 26 other models:

Honda: CRF150R 2007-2026; CRF250R 2004-2008; CRF250R 2018-2019; CRF250R 2020-2026; CRF250R Works Edition 2025-2026; CRF250RX 2025-2026; CRF450R 2002-2008; CRF450R 2009-2016; CRF450R 2017-2026; CRF450R 50th Anniversary Edition 2023; CRF450R-S 2023-2024; CRF450R Works Edition 2023-2026

Kawasaki: KX250 2020; KX250F 2005-2009; KX450F 2006-2008; KX450F 2009-2018

Suzuki: RMZ250 2010-2026; RMZ450 2008-2026

Yamaha: WR250F 2005-2013; WR450F 2003-2009; YZ250F 2014-2018; YZ250F 2019-2022; YZ250F 2005-2013; YZ450F 2010-2019; YZ450F 2020-2022; YZ450F 2003-2009

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style 77.0/Stock Bore / 13.5:1 Compression	Item # 10305440	Store SKU	Manufacturer Product # MPX3050C	Availability Only 3 Left: Ships within 24 hours

$39.99/yr.

Spend Less. Ride More.

5% RPM Cash Back*
10% Off Over 70 Brands
$15 in RPM Cash When You Join
Free 2-Day Shipping & Free Returns*
And more!

Become a member today! Add RPM to cart

By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.