2Bros Parts

PISTON KIT 08-11 YZF250 77.00, PROX 01.2409.C, 3-RING

$208.99Only 1 left

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Delivery to United States 5–8 business days

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3-ring piston kit with 77.00 mm bore and 13.5:1 standard compression ratio. This kit is ready to install and includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using a low-expansion, low-friction piston alloy, the same used by major Japanese engine manufacturers. The piston features an OEM-style tin coating to aid in the break-in process. Replacement parts include ProX ring set 02.2402, ProX pin 04.1644.4, and ProX clips 05.1612C. This kit is compatible with Yamaha YZF250 YZ250F models from 2008-2009.

Specifications
SKU
56-W4952.C.PX
Brand
Pro-X Racing
Availability
In Stock (1)

Fitments (9)

MakeModelYear
YAMAHAYZ 250F2008
YAMAHAYZ 250F2009
YAMAHAYZ 250F2010
YAMAHAYZ 250F2011
YAMAHAYZF 2502007
YAMAHAYZF 2502008
YAMAHAYZF 2502009
YAMAHAYZF 2502010
YAMAHAYZF 2502011
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
77mm
Variant Id
256433
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX 3-Ring Piston Kit

This ProX Piston Kit is engineered for precision and performance, featuring a 77.00 mm bore size and a standard compression ratio of 13.5:1. Designed for easy installation, each kit includes the piston, piston rings, wrist pin, and circlips, providing a complete solution for your engine rebuild.

Key Features:

  • Precision machined using advanced CNC equipment.
  • Constructed from a high-quality, low-expansion, low-friction piston alloy, mirroring that used by major Japanese engine manufacturers.
  • Includes an OEM-style tin coating to aid in the crucial break-in process.
  • Ready for immediate installation.

This ProX piston kit ensures reliable performance and durability, offering replacement parts that meet stringent quality standards.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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