Namura Piston Kit - Yamaha YZ250 YZ250X - 67.85mm (1.5mm Oversized)

Namura Motorcycle Piston Kits are machined smooth piston crown to reflect combustion heat while reducing carbon buildup. With Hard anodized piston crown with a hardness of HRB 105. The MOS2 coating to draw heat through piston walls and out the bottom minimizing piston expansion and contraction making these pistons more resistant to wear and scuffing, expand less with heat and are stronger.

~ Higher Performance piston without a higher price
~ Carefully developed for the highest level of quality
~ Unsurpassed in functionality and reliability

Part Number: NX-40025-6
Piston Size: 67.85 mm
Oversize: +1.5 mm
Piston Ring: NX-10025-6R
Top-End Gasket Kit: NX-40025T
Complete Gasket Kit: NX-40025F
Top-End Repair Kit: NX-40025-6K
Needle Bearing: 09-505-01
Bearing Size (mm): 18X22X22
Needle Bearing: 09-505-01

YAMAHA YZ250 1999
YAMAHA YZ250 2000
YAMAHA YZ250 2001
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 YZ250X 2016
YAMAHA YZ250X 2017
YAMAHA YZ250X 2018
YAMAHA YZ250X 2019
YAMAHA YZ250X 2020
YAMAHA YZ250X 2021
YAMAHA YZ250X 2022
YAMAHA YZ250X 2023