Namura Technologies NA-50012 Piston Kit - Standard Bore 86.93mm riding-apparel-riding-apparel-accessories 2012-2025 Yamaha TTR50E

2012-2025 Yamaha TTR50E

2011 Arctic Cat 450 LTD

2016-2017 Arctic Cat HDX 500 XT

Bore - Actual: 98

2007-2010 KTM 50 SX

Namura Technologies NA-50012 Piston Kit - Standard Bore 86.93mm riding-apparel-riding-apparel-accessories 2012-2025 Yamaha TTR50EBore: 86. 93mm Compression: Standard Compression Sizing: Standard Bore 2 pistons required per machine. MOS2 (Teflon Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.