Athena
Athena delivers high-quality motorcycle gaskets, piston kits and cylinders engineered for precision fit, reliable sealing and long-lasting engine performance. Trusted by riders and mechanics worldwide, Athena components ensure consistent compression and durability on every ride.
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Out of stock
Athena - P400510160004 - Gasket Kit - Kawasaki/Suzuki - 83 mm
Athena
$104.95Athena - 09340359 - Gasket Kit - Kawasaki/Suzuki - 83 mmFeaturesLow moisture absorption, highest mechanical resistance, resistance to oils and gasoline, resistance to high temperatures and pressures,...$104.95 -
Athena - P400485600118 - Top End Gasket Kit - Fits 2005-2022 Yamaha YZ125
Athena
$28.95Athena - 09340348 - Top End Gasket Kit - YamahaFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$28.95 -
Out of stock
Athena - S4F06900001C - Piston Kit - 68.96 mm - Kawasaki KDX220
Athena
$162.95Athena - 09100170 - Piston Kit - 68.96 mm - Kawasaki KDX220FeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even...$162.95 -
Out of stock
Athena - S4F06600002A - Piston Kit - 65.94 mm - Fits 1986-2006 Kawasaki KDX200
Athena
$109.95Athena - 09100450 - Piston Kit - 65.94 mm - KawasakiFeaturesBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision heat-treatment process that allows...$109.95 -
Athena - S4F05400011A - Piston Kit - 53.94 mm - Yamaha YZ125 - Fits 1997-2004 Yamaha YZ125
Athena
$162.95Athena - 09100090 - Piston Kit - 53.94 mm - Yamaha YZ125FeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in...$162.95 -
Athena - S4F100000190 - Piston Kit - 99.96 mm - Kawasaki KX450F
Athena
$257.95Athena - 09102535 - Piston Kit - 99.96 mm - Kawasaki KX450FFeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even...$257.95 -
Athena - S4F102000040 - Piston Kit - 101.96 mm - Yamaha YZ450F/YZ450FX
Athena
$284.95Athena - 09102539 - Piston Kit - 101.96 mm - Yamaha YZ450F/YZ450FXFeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it...$284.95 -
Athena - S4F04500001A - Piston Kit - 44.96 mm - Gas Gas | Husqvarna | KTM - Fits 2021-2022 Gas Gas MC 65, 2009-2022 KTM 65 SX
Athena
$142.95Athena - 09102531 - Piston Kit - 44.96 mm - Gas Gas | Husqvarna | KTMFeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it...$142.95 -
Out of stock
Athena - S4F04700001A - Piston Kit - 46.96 mm - Gas Gas | Husqvarna | KTM - Fits 2014-2022 Husqvarna TC 85, 2003-2022 KTM 85 SX, 2008-2012 KTM 85 SX
Athena
$142.95Athena - 09102533 - Piston Kit - 46.96 mm - Gas Gas | Husqvarna | KTMFeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it...$142.95 -
Out of stock
Athena - S4C05000013A - Piston Kit - 49.95 mm - KTM
Athena
$100.95Athena - 09101328 - Piston Kit - 49.95 mm - KTMFeaturesHigh resistance to mechanical thermal stressesMade with cutting edge CNC machining tools that ensures dimensional tolerances of less than 0.01...$100.95 -
Out of stock
Athena - S4C05800002B - Piston Kit - 57.95 mm - Kawasaki
Athena
$242.95Athena - 09100878 - Piston Kit - 57.95 mm - KawasakiFeaturesHigh resistance to mechanical thermal stressesMade with cutting edge CNC machining tools that ensures dimensional tolerances of less than 0...$242.95 -
Out of stock
Athena - S4C05800002A - Piston Kit - 57.94 mm - Kawasaki
Athena
$242.95Athena - 09100877 - Piston Kit - 57.94 mm - KawasakiFeaturesHigh resistance to mechanical thermal stressesMade with cutting edge CNC machining tools that ensures dimensional tolerances of less than 0...$242.95 -
Athena - S5F08300005B - Piston Kit - 82.96 mm - Kawasaki | Suzuki
Athena
$256.95Athena - 09100884 - Piston Kit - 82.96 mm - Kawasaki | SuzukiFeaturesEasy-to-follow step-by-step installation instructionsSpecsDisplacement250 ccEngine Type4-StrokeStyleForgedBore Size Metric82.96...$256.95 -
Out of stock
Athena - P400270100002 - Cylinder Kit - 50.00 mm - SX65 - Fits 2001-2008 KTM 65 SX
Athena
$872.95Athena - 09310245 - Cylinder Kit - 50.00 mm - SX65FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)Kit also includes Athena top end gasket set with required...$872.95 -
Athena - P400250100011 - Cylinder Kit - 58.00 mm - KX125
Athena
$1,201.95Athena - 09310109 - Cylinder Kit - 58.00 mm - KX125FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)Kit also includes Athena top end gasket set with required...$1,201.95 -
Athena - P400510100006 - Cylinder Kit - 100.00 mm - RMZ450 - Fits 2005-2006 Suzuki RM-Z450
Athena
$1,156.95Athena - 09310114 - Cylinder Kit - 100.00 mm - RMZ450FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)Forged piston with molybdenum coatingDoes not include...$1,156.95 -
Out of stock
Athena - P400485100030 - Cylinder Kit - 58.00 mm - YZ125/X
Athena
$1,223.95Athena - 09310146 - Cylinder Kit - 58.00 mm - YZ125/XFeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)Kit also includes Athena top end gasket set with required...$1,223.95 -
Athena - P400485100017 - Cylinder Kit - 54.00 mm - YZ125
Athena
MSRP: $1,110.95$1,027.95Athena - 09310095 - Cylinder Kit - 54.00 mm - YZ125FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)There is an aluminum cylinder head with a removable bronze...MSRP: $1,110.95$1,027.95 -
Out of stock
Athena - P400485100012 - Cylinder Kit - 83.00 mm - YZ/WR250F - Fits 2001-2007 Yamaha YZ250F
Athena
$1,142.95Athena - 09310024 - Cylinder Kit - 83.00 mm - YZ/WR250FFeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)Forged piston with molybdenum coatingDoes not include...$1,142.95 -
Out of stock
Athena - P400270850003 - Complete Gasket Kit - KTM
Athena
$28.95Athena - 09340216 - Complete Gasket Kit - KTMFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high springback...$28.95 -
Out of stock
Athena - P400060850143 - Complete Gasket Kit - KTM
Athena
$46.95Athena - 09340217 - Complete Gasket Kit - KTMFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high springback...$46.95 -
Out of stock
Athena - P400510850035 - Complete Gasket Kit - Fits 2003-2008 Suzuki RM250
Athena
$78.95Athena - 09340208 - Complete Gasket Kit - SuzukiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$78.95 -
Out of stock
Athena - P400250600011 - Top End Gasket Kit - Fits 2001-2004 Kawasaki KX250
Athena
$41.95Athena - 09340206 - Top End Gasket Kit - KawasakiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$41.95 -
Out of stock
Athena - P400250850015 - Complete Gasket Kit - Fits 2003-2008 Kawasaki KX125
Athena
$108.10Athena - 09340203 - Complete Gasket Kit - KawasakiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$108.10 -
Athena - S41316133 - Piston Ring Set
Athena
$37.95Athena - 09120159 - Piston Ring SetFeaturesSpecsEngine Type4-StrokeRiding StyleOff-RoadProduct NamePiston RingPiston MaterialForgedBore Size Metric83.00...$37.95 -
Out of stock
Athena - P400250600016 - Top End Gasket Kit - Kawasaki/Suzuki - Fits 2004-2008 Kawasaki KX250F, 2004-2006 Suzuki RM-Z250
Athena
$86.95Athena - 09340347 - Top End Gasket Kit - Kawasaki/SuzukiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize...$86.95 -
Out of stock
Athena - P400510600034 - Top End Gasket Kit - Fits 2002-2022 Suzuki RM85
Athena
$23.95Athena - 09340210 - Top End Gasket Kit - SuzukiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$23.95 -
Out of stock
Athena - P400510600035 - Top End Gasket Kit - Fits 2003-2008 Suzuki RM250
Athena
$42.95Athena - 09340211 - Top End Gasket Kit - SuzukiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$42.95 -
Out of stock
Athena - P400210600065 - Top End Gasket Kit - Fits 1992-2002 Honda CR80R
Athena
$45.10Athena - 09340200 - Top End Gasket Kit - HondaFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$45.10 -
Out of stock
Athena - P400210850184 - Complete Gasket Kit - Fits 2004-2013 Honda CRF100F
Athena
$74.95Athena - 09341991 - Complete Gasket Kit - HondaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$74.95 -
Athena - P400250160001 - Cylinder Gasket Kit - Kawasaki - 54 mm
Athena
MSRP: $57.95$53.95Athena - 09340190 - Cylinder Gasket Kit - Kawasaki - 54 mmFeaturesLow moisture absorption, highest mechanical resistance, resistance to oils and gasoline, resistance to high temperatures and...MSRP: $57.95$53.95 -
Athena - P400250100007 - Cylinder Kit - 50.00 mm - KX65 - Fits 2002-2021 Kawasaki KX65
Athena
MSRP: $932.95$863.95Athena - 09310107 - Cylinder Kit - 50.00 mm - KX65FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)Kit also includes Athena top end gasket set with required...MSRP: $932.95$863.95 -
Athena - P400250600021 - Top End Gasket Kit - Fits 2005-2008 Kawasaki KX250
Athena
$40.95Athena - 09340674 - Top End Gasket Kit - KawasakiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$40.95 -
Athena - P400250100001 - Cylinder Kit - 54.00 mm - KX125 - Fits 2003-2007 Kawasaki KX125
Athena
MSRP: $970.95$898.95Athena - 09310012 - Cylinder Kit - 54.00 mm - KX125FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)There is an aluminum cylinder head with a removable bronze...MSRP: $970.95$898.95 -
Athena - S41316089 - Piston Ring Set
Athena
$44.95Athena - 09120281 - Piston Ring SetFeaturesSpecsPiston MaterialForgedProduct NamePiston RingUnitsSetEngine Type4-StrokeBore Size Metric82.00 mmRiding...$44.95 -
Athena - S41316130 - Piston Ring Set
Athena
$17.95Athena - 09120160 - Piston Ring SetFeaturesSpecsRiding StyleOff-RoadUnitsSetEngine Type4-StrokePiston MaterialAluminumBore Size Metric53.94 mmProduct NamePiston RingFitment1997-2021YamahaYZ125$17.95 -
Athena - S41316178 - Piston Ring Set
Athena
$63.95Athena - 09120374 - Piston Ring SetFeaturesSpecsEngine Type4-StrokeUnitsSetRiding StyleOff-RoadBore Size Metric100.00 mmPiston MaterialForgedProduct NamePiston...$63.95 -
Out of stock
Athena - S41316181 - Ring Set
Athena
$55.95Athena - 09120331 - Ring SetFeaturesSpecsEngine Type4-StrokeBore Size Metric68.96 mmRiding StyleOff-RoadPiston MaterialAluminumProduct NamePiston RingUnitsSetFitment2007-2010HondaCRF150R$55.95 -
Out of stock
Athena - S41316016 - Piston Ring Set - Standard - Fits 2013-2016 Husqvarna TE 300, 1996-2003 KTM 300 XC, 2004-2016 KTM 300 XC-W/EXC/MXC
Athena
$34.95Athena - 09120021 - Piston Ring Set - StandardFeaturesSpecsRiding StyleOff-RoadEngine Type2-StrokeProduct NamePiston RingUnitsSetPiston MaterialForgedBore Size Metric71.93 mmFitment1996-2016KTM300...$34.95 -
Out of stock
Athena - S41316004 - Piston Ring Set - Standard - Multiple Models
Athena
$27.95Athena - 09120005 - Piston Ring Set - StandardFeaturesSpecsRiding StyleOff-RoadBore Size Metric53.95 mmUnitsSetEngine Type2-StrokeProduct NamePiston RingPiston...$27.95
Athena Gaskets, Piston Kits & Cylinder Components for Engine Performance
Athena is a global leader in motorcycle gaskets and engine components, producing parts designed for maximum reliability, performance and precision fit. From head gaskets to complete gasket kits, Athena products provide superior sealing and withstand the toughest riding conditions, whether on-road or off-road.
Built for professional builders and everyday riders, Athena piston kits and cylinder kits deliver consistent compression, improved engine lifespan and reduced oil leakage. Popular options like the Athena Top End Gasket Kits for Honda, Yamaha, Suzuki and Kawasaki vehicles make rebuilds easier and more dependable. Riders also rely on Athena cylinders and pistons to restore factory performance or achieve new power levels.
Whether you’re completing a full engine rebuild or replacing a head gasket, Athena components are trusted for precision engineering, OEM-level quality and lasting durability. Manufactured to exact specifications, these gaskets and engine kits keep your bike running at peak performance mile after mile.