Yamaha YZ250 2002 - 2025 Vertex 66.37mm Top End D Size Piston Gasket Rebuild Kit

VERTEX PERFORMANCE TOP END MOTORCYCLE ENGINE REBUILD KIT

Vertex is the choice of those who truly seek the optimum in powersport performance in any application.Vertex is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Easing the repair process by saving time and money Vertex Pistons Top-End Piston Kits come with everything needed to replace your piston, top-end gaskets, and wrist pin bearing (for two-strokes) when the time comes.

PISTON FEATURES:

Manufactured in Italy
the premier brand of OEM replacement pistons
Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements.
 

WRIST PIN FEATURES

Case hardened wrist pins are used with all Vertex pistons
Nitride coated pins are normally used for high performance
highly wear resistant and provides anti-galling properties. 
 

INCLUDES:

• Piston
• Rings
• Wrist pin
• Circlips
• Top end gaskets
• Wrist pin bearing (for two-stroke applications). Four-stroke kits include a free Camchain!

PLEASE NOTE:

• Images for Illustration only, the correct parts will be supplied.

Fitment Details

• Yamaha YZ250 2002
• Yamaha YZ250 2003
• Yamaha YZ250 2004
• Yamaha YZ250 2005
• Yamaha YZ250 2006
• Yamaha YZ250 2007
• Yamaha YZ250 2008
• Yamaha YZ250 2009
• Yamaha YZ250 2010
• Yamaha YZ250 2011
• Yamaha YZ250 2012
• Yamaha YZ250 2013
• Yamaha YZ250 2014
• Yamaha YZ250 2015
• Yamaha YZ250 2016
• Yamaha YZ250 2017
• Yamaha YZ250 2018
• Yamaha YZ250 2019
• Yamaha YZ250 2020
• Yamaha YZ250 2021
• Yamaha YZ250 2022
• Yamaha YZ250 2023
• Yamaha YZ250 2024