Namura Overbore Piston Kit for 2001-05 Yamaha YFM660R Raptor - 100.97mm - NA-40004-4
Namura Technologies Piston Kit
- Namura gives you a higher performance piston without the higher price
- MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures.
- Higher silicon content reduces expansion rates and increasesÊwear resistance.
- Machined Smooth Heads Reflect combustion heat and reduces carbon buildup.
- Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura offers direct replacements for the original equipment as well as hi-compression and a variety of bore sizes to meet your ride's needs. MOS2 (Teflon/Molybdenum) Coated Skirts increased heat transfer, reduced friction, and helping to eliminate cold seizures. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup, protecting the top of the piston. Anodized Domes Increase heat resistance and durability; anodized domes are 75% stronger than non-anodized pistons. Hyper-eutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance. Namura gives you a higher performance piston without the higher price. Namura piston kits come with the piston individually wrapped, a set of OEM quality rings packed in their own box, a wrist pin, and circlips.
Product Line Namura Piston Kit Part Number NA-40004-4 Fitment Type Model-Size-Specific Fitment Use Type Aftermarket Replaceent Unit Sale Qty Style Oversized Piston Kit Position Material Finish Piston/Cylinder Size 100.97mm Piston Size Added 1.00mm Cylinder Stroke Volume Final Engine Displacement California Emissions FALSE Product Disclaimer Fitment Note Fitment Note Fitment Note Fitment Note Fitment Note
2005 Yamaha YFM660R Raptor
2004 Yamaha YFM660R Raptor
2003 Yamaha YFM660R Raptor
2002 Yamaha YFM660R Raptor
2001 Yamaha YFM660R Raptor
1998 Yamaha XTZ660 Tenere
1997 Yamaha XTZ660 Tenere
1996 Yamaha XTZ660 Tenere
1995 Yamaha XTZ660 Tenere
1994 Yamaha XTZ660 Tenere
1993 Yamaha XTZ660 Tenere
1992 Yamaha XTZ660 Tenere
1991 Yamaha XTZ660 Tenere
2008 Yamaha YFM660F Grizzly
2007 Yamaha YFM660F Grizzly
2006 Yamaha YFM660F Grizzly
2005 Yamaha YFM660F Grizzly
2004 Yamaha YFM660F Grizzly
2003 Yamaha YFM660F Grizzly
2002 Yamaha YFM660F Grizzly
2007 Yamaha YFM660 Rhino
2006 Yamaha YFM660 Rhino
2005 Yamaha YFM660 Rhino
2004 Yamaha YFM660 Rhino
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Application specific parts will have part compatibility indicated in the "Fits" or "Fitment" section of the product description and will be provided for all application specific products. These fitment indications are sourced from the product manufacturer and may be subject to change. Please be careful in reading any/all fitment indications for exact Year-Make-Model-Sub Model indications to make sure the part ordered will fit your exact application/s. If you are uncertain about a part compatibility and will to clarify before purchase, please feel free to message us at anytime and an experienced support staff member will assist you in verifying fitment to his/her best ability.Image Policy
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At SVS Powersports we understand that a product does not always look, fit or function as expected. If such a situation arrises, we do accept returns of all Unopened, Unused items with original packaging within 30 days of purchase/delivery. If your item is damaged, defective or completely different from the item ordered, please DO NOT submit a return request, please contact our knowledgable support staff with a clear description of the issue and someone will get back to you in a prompt time frame.
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