Namura Technologies NA-40012K Top End Repair Kit - Standard Bore 101.97mm, 9.2:1 Compression

Bore: 101.97mm
Compression: 9.2:1 Compression
Sizing: Standard Bore

Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. 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. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Anodized Domes Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons. Hypereutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures.

Vehicle Fitment:

2007-2013 Yamaha YFM700 Grizzly FI 4x4 Auto
2007-2013 Yamaha YFM700 Grizzly FI 4x4 Auto EPS
2009-2013 Yamaha YFM700 Grizzly FI 4x4 Auto EPS SE
2013-2014 Yamaha YFM700 Raptor
2006-2009 Yamaha YFM700R Raptor
2011-2016 Yamaha YFM700R Raptor
2007 Yamaha YFM700R Raptor GYTR Edition
2007-2016 Yamaha YFM700R Raptor SE
2008-2009 Yamaha YXR700F Rhino 700 FI
2011-2013 Yamaha YXR700F Rhino 700 FI
2008-2009 Yamaha YXR700F Rhino 700 FI Ducks Unlimited
2008-2009 Yamaha YXR700F Rhino 700 FI Special Edition
2013 Yamaha YXR700F Rhino 700 FI Special Edition
2008-2009 Yamaha YXR700F Rhino 700 FI Sport Edition
2011-2013 Yamaha YXR700F Rhino 700 FI Sport Edition