Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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ATHENA Piston Ring Set S41316030
ATHENA
$44.95ATHENA Piston Ring Set S41316030Replacement rings for Athena Forged Pistons09120158- SKU:
- 09120158
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BORE SIZE METRIC:
- 95.50 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- PISTON MATERIAL:
- FORGED
- UNITS:
- SET
$44.95 -
ATHENA Piston Ring Set S41316133
ATHENA
$35.95ATHENA Piston Ring Set S41316133Replacement rings for Athena Forged Pistons09120159- SKU:
- 09120159
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 83.00 MM
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED
$35.95 -
ATHENA Piston Ring Set S41316130
ATHENA
$16.95ATHENA Piston Ring Set S41316130Replacement rings for Athena Forged Pistons09120160- SKU:
- 09120160
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- SET
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 53.94 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
$16.95 -
ATHENA Piston Ring Set S41316089
ATHENA
$41.95ATHENA Piston Ring Set S41316089Replacement rings for Athena Forged Pistons09120281- SKU:
- 09120281
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE SIZE METRIC:
- 82.00 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED
$41.95 -
ATHENA Ring Set S41316181
ATHENA
$58.95ATHENA Ring Set S41316181Replacement rings for Athena Forged Pistons09120331- SKU:
- 09120331
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 68.96 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- ENGINE TYPE:
- 4-STROKE
$58.95 -
ATHENA Piston Ring Set S41316138
ATHENA
$43.95ATHENA Piston Ring Set S41316138Replacement rings for Athena Forged Pistons09120606- SKU:
- 09120606
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- BORE SIZE METRIC:
- 53.96 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- SET
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
$43.95Qty in Cart: 0Quantity:Price:$43.95Subtotal: -
ATHENA Crankcase - Yamaha S410130320004
ATHENA
$221.95ATHENA Crankcase Yamaha S410130320004Made of special steel and manufactured with CNC high-precision machinery, Standard stroke09210019- SKU:
- 09210019
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CRANKSHAFT
- UNITS:
- EACH
$221.95 -
ATHENA Crankshaft - Yamaha/Malaguti S410130320005
ATHENA
$221.95ATHENA Crankshaft Yamaha/Malaguti S410130320005Made of special steel and manufactured with CNC high-precision machinery, Standard stroke09210020- SKU:
- 09210020
- Availability:
- Ships Same Business Day
- Weight:
- 2.84 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CRANKSHAFT
- UNITS:
- EACH
$221.95 -
ATHENA Crankcase - Yamaha YZ85 S410485320002
ATHENA
$171.95ATHENA Crankcase Yamaha YZ85 S410485320002Made of special steel and manufactured with CNC high-precision machinery, Standard stroke09210589- SKU:
- 09210589
- Availability:
- Ships Same Business Day
- Weight:
- 4.15 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
ATHENA Piston Kit S4F05400003B
ATHENA
$175.95ATHENA Piston Kit S4F05400003BTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100067- SKU:
- 09100067
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 125 CC
- BORE SIZE METRIC:
- 53.96 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 124 CC
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- B
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$175.95 -
ATHENA Piston Kit S4F05400009A
ATHENA
$129.95ATHENA Piston Kit S4F05400009ATwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100084- SKU:
- 09100084
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- PISTON HEAD SHAPE:
- DOMED
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 53.95 MM
- ENGINE TYPE:
- 2-STROKE
- DISPLACEMENT:
- 125 CC
- TYPE:
- A
$129.95Qty in Cart: 0Quantity:Price:$129.95Subtotal: -
ATHENA Piston Kit S4F05400011A
ATHENA
$154.95ATHENA Piston Kit S4F05400011ATwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100090- SKU:
- 09100090
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 53.94 MM
- DISPLACEMENT:
- 124 CC
- TYPE:
- A
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PISTON HEAD SHAPE:
- DOMED
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
ATHENA Piston Kit S4F05400011B
ATHENA
$154.95ATHENA Piston Kit S4F05400011BTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100091- SKU:
- 09100091
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 124 CC
- TYPE:
- B
- BORE SIZE METRIC:
- 53.95 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- ENGINE TYPE:
- 2-STROKE
- PISTON HEAD SHAPE:
- DOMED
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$154.95 -
ATHENA Piston Kit S4F06400001A
ATHENA
$1,140.95ATHENA Piston Kit S4F06400001ATwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100103- SKU:
- 09100103
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 63.94 MM
- PISTON HEAD SHAPE:
- FLAT TOP
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- A
- DISPLACEMENT:
- 200 CC
$1,140.95 -
ATHENA Piston Kit S4F06400001B
ATHENA
$170.95ATHENA Piston Kit S4F06400001BTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100104- SKU:
- 09100104
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COMPRESSION RATIO IMPERIAL:
- STOCK
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 63.95 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 200 CC
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- B
$170.95 -
ATHENA Complete Gasket Kit - Kawasaki P400250850028
ATHENA
$151.95ATHENA Complete Gasket Kit Kawasaki P400250850028Superior-quality gasket sets from Athena, Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high springback and superior...09343039- SKU:
- 09343039
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- COMPLETE
- ENGINE TYPE:
- -
- UNITS:
- KIT
$151.95Qty in Cart: 0Quantity:Price:$151.95Subtotal: -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2726840002
ACERBIS
$67.95ACERBIS X-Power Cover Kit White KTM/Husqvarna 2726840002Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401768- SKU:
- 09401768
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
- COLOR/FINISH:
- WHITE
- MODEL:
- X-POWER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$67.95 -
ACERBIS X-Power Cover Kit - Black - KTM/Husqvarna 2732130001
ACERBIS
$69.95ACERBIS X-Power Cover Kit Black KTM/Husqvarna 2732130001Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401769- SKU:
- 09401769
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- TYPE:
- ENGINE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- X-POWER
- UNITS:
- KIT
$69.95 -
ACERBIS X-Power Cover Kit - Orange - KTM/Husqvarna 2732135226
ACERBIS
$67.95ACERBIS X-Power Cover Kit Orange KTM/Husqvarna 2732135226Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil...09401770- SKU:
- 09401770
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PRODUCT NAME:
- COVER
- COLOR/FINISH:
- ORANGE
- MODEL:
- X-POWER
- TYPE:
- ENGINE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$67.95 -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2732130002
ACERBIS
$67.95ACERBIS X-Power Cover Kit White KTM/Husqvarna 2732130002Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401771- SKU:
- 09401771
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PRODUCT NAME:
- COVER
- MATERIAL:
- PLASTIC
- COLOR/FINISH:
- WHITE
- MODEL:
- X-POWER
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$67.95
