Engine
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Namura +1.00mm Top End Kit 10.9 NX-40025-4K for Yamaha YZ250 1999-2001
Other
$82.00SpecificationsPart: Top End KitSize: 67.35 mmOversize: +1.00 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 10.9Product FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which...DS01-0075$82.00 -
Namura +1.00mm Piston 10.9 NX-40025-4 for Yamaha YZ250 YZ250X 1999-2023
Other
$82.09SpecificationsPart: PistonSize: 67.35 mmOversize: +1.00 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 10.9Product FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which helps...DS01-0074$82.09 -
Namura 69.97mm Piston Rings NX-40022R for Yamaha TTR225 230 99-23 XT225 92-00
Other
$23.30SpecificationsPart: Piston RingsSize: 69.97mmProduct FeaturesCompression rings are manufactured from either a highly ductile cast iron, or stainless steel alloy. The material of the rings is determined by the material of the cylinder wall the rings will...DS01-0068$23.30 -
Namura +1.00mm Top End Kit 10.5:1 NA-40008-4K
Other
$99.17SpecificationsPart: Top End KitSize: 85.42 mmOversize: +1.00 mmPiston Type: CastCompression Ratio: 10.5:1Product FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which helps reduce carbon...DS00-8824$99.17 -
Namura +1.50mm Top End Kit 10.9 NX-40025-6KA for YZ250 YZ250X 2002-2023
Other
$83.09SpecificationsPart: Top End KitSize: 67.85 mmOversize: +1.50 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 10.9Product FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which...DS01-0079$83.09 -
Namura +1.50mm Top End Kit 10.9 NX-40025-6K for Yamaha YZ250 1999-2001
Other
$100.97SpecificationsPart: Top End KitSize: 67.85 mmOversize: +1.50 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 10.9Product FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which...DS01-0078$100.97 -
Namura 101.47mm Piston Rings NA-40004-6R
Other
$28.36SpecificationsPart: Piston RingsSize: 101.47mmProduct FeaturesCompression rings are manufactured from either a highly ductile cast iron, or stainless steel alloy. The material of the rings is determined by the material of the cylinder wall the rings will...DS00-8781$28.36 -
Namura +2.00mm Piston 11.0:1 NA-40002-8 for Yamaha Blaster 200
Other
$71.09SpecificationsPart: PistonSize: 67.94 mmOversize: +2.00 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 11.0:1 HighProduct FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which...DS00-8755$71.09 -
Namura +2.00mm Top End Kit 11.0:1 NA-40002-8K for Yamaha Blaster 200
Other
$72.16SpecificationsPart: Top End KitSize: 67.94 mmOversize: +2.00 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 11.0:1 HighProduct FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head...DS00-8756$72.16 -
Namura Top End Gaskets NX-40027T for Yamaha YZ250 1986-1987
Other
$25.99SpecificationsPart: Top End GasketsProduct FeaturesAll components are manufactured to OE-specs. Paper gaskets are composed of non-asbestos Nitrile Butadiene bonded cellulose fiber materials, which maintain their tensile strength and torque retention in...DS01-0103$25.99 -
Namura +1.50mm Piston 11.0:1 NA-40002-6 for Yamaha Blaster 200
Other
$57.38SpecificationsPart: PistonSize: 67.44 mmOversize: +1.50 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 11.0:1 HighProduct FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which...DS00-8752$57.38 -
Namura Top End Gaskets NA-40004T for Yamaha Raptor 660R 01-05
Other
$54.60SpecificationsPart: Top End GasketsProduct FeaturesAll components are manufactured to OE-specs. Paper gaskets are composed of non-asbestos Nitrile Butadiene bonded cellulose fiber materials, which maintain their tensile strength and torque retention in...DS00-8785$54.60