2Bros Parts

PISTON KIT 05-21 YZ125 54.00 C, PROX 01.2225.C YAMAHA MX

$141.40

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Delivery to United States 5–8 business days

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ProX Piston Kit for Yamaha YZ125. This 2-stroke kit features a 54.00mm bore piston with a 53.97mm diameter. It includes piston rings, a wrist pin, and circlips for ready installation. ProX pistons are precisely machined using state-of-the-art CNC equipment and utilize a low-expansion, low-friction piston alloy common among major Japanese engine manufacturers. The kit features an OEM-style tin coating to aid in the break-in process. Replacement parts: Piston Rings 02.2222, Piston Pin 04.1546.7, Piston Clips 05.1510. Manufacturer part number 01.2225.C.

Specifications
SKU
56-W845.C.PX
Brand
Pro-X Racing
Availability
In Stock (2)

Fitments (24)

MakeModelYear
FANTICXE 1252021
FANTICXE 1252022
FANTICXX 1252021
YAMAHAYZ 1252004
YAMAHAYZ 1252005
YAMAHAYZ 1252006
YAMAHAYZ 1252007
YAMAHAYZ 1252008
YAMAHAYZ 1252009
YAMAHAYZ 1252010
YAMAHAYZ 1252011
YAMAHAYZ 1252012
YAMAHAYZ 1252013
YAMAHAYZ 1252014
YAMAHAYZ 1252015
YAMAHAYZ 1252016
YAMAHAYZ 1252017
YAMAHAYZ 1252018
YAMAHAYZ 1252019
YAMAHAYZ 1252020
YAMAHAYZ 1252021
YAMAHAYZ 125X2020
YAMAHAYZ 125X2021
YAMAHAYZ 125X2022
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
54.00mm
Variant Id
258020
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Piston Kit 54.00mm Bore - Ready for Installation

This ProX Piston Kit is designed for optimal performance and durability. Each kit includes the piston, piston rings, wrist pin, and circlips, ensuring you have all the necessary components for a straightforward installation.

ProX pistons are manufactured using advanced CNC equipment, employing a low-expansion, low-friction aluminum alloy identical to that used by major Japanese engine manufacturers. This advanced material contributes to excellent heat dissipation and reduced friction, enhancing engine efficiency and lifespan.

The piston features an OEM-style tin coating. This specialized coating aids the crucial break-in process when your machine is first started, promoting proper seating of the piston rings for long-term reliability.

Key Features:

  • Complete kit includes piston, rings, wrist pin, and circlips.
  • Precision machined using state-of-the-art CNC equipment.
  • Constructed from a low-expansion, low-friction piston alloy.
  • OEM-style tin coating for assisted break-in.
  • 54.00mm bore size.

Replacement Parts Included:

  • Piston Rings: 02.2222
  • Piston Pin: 04.1546.7
  • Piston Clips: 05.1510
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

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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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