PROX 77mm PISTON KIT B, YAMAHA YZ-F250 01-07, WR250F 01-13, GAS GAS EC250F 10-15

3-RING B Piston KIT 77.00 mm Bore STD Compresion 12.5:1

Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.

Replacements parts. PROX RING SET 02.2402, PROX PIN 04.1644.4, PROX CLIPS 05.1610

Yamaha WR250F (2001-2013), Yamaha YZ250F (2001-2007),
Gas-Gas EC250F 4T (2010-2015),

PROX 01.2406.B

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.