Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
-
Dirt Bike Cams and Parts
-
Dirt Bike Connecting Rods and Parts
-
Dirt Bike Crankcases and Parts
-
Dirt Bike Crankshafts and Parts
-
Dirt Bike Cylinder Heads and Parts
-
Dirt Bike Cylinders and Parts
-
Dirt Bike Engine Bearings
-
Dirt Bike Engine Covers
-
Dirt Bike Engine Gaskets and Kits
-
Dirt Bike Engine Rebuild Kits
-
Dirt Bike Engine Seals - Orings and Kits
-
Dirt Bike Engine Valves and Parts
-
Dirt Bike Flywheel and Rod Assemblies
-
Dirt Bike Fuel Filters
-
Dirt Bike Miscellaneous Engine Parts
-
Dirt Bike Oil Coolers
-
Dirt Bike Oil Filters
-
Dirt Bike Oil Lines
-
Dirt Bike Oil Pumps
-
Dirt Bike Piston and Ring Kits
-
Dirt Bike Piston Rings Only
-
Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
WISECO Piston Kit - Standard - KX80/Big Wheel 669M04700
WISECO
$133.09WISECO Piston Kit Standard KX80/Big Wheel 669M04700Pistons come without gasket kit9101228- SKU:
- 9101228
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$133.09Qty in Cart: 0Quantity:Price:$133.09Subtotal: -
WISECO Piston Kit - YZ250 - 1992-1998 677M07000
WISECO
$224.95WISECO Piston Kit YZ250 1992-1998 677M07000Pistons come without gasket kit9101231- SKU:
- 9101231
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 70.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 246,8 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- STROKE LENGTH METRIC:
- 68.00 MM
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
WISECO Piston Kit - YZ125 - 2002-2004 797M05500
WISECO
$145.18WISECO Piston Kit YZ125 2002-2004 797M05500Pistons come without gasket kit9101241- SKU:
- 9101241
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$145.18Qty in Cart: 0Quantity:Price:$145.18Subtotal: -
WISECO Piston Kit with Gaskets PK1514
WISECO
$174.95WISECO Piston Kit with Gaskets PK1514Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030701- SKU:
- 9030701
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- DISPLACEMENT:
- 63.58 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 44.95 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 45.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 40.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
WISECO Piston Kit with Gaskets PK1515
WISECO
$189.95WISECO Piston Kit with Gaskets PK1515Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030702- SKU:
- 9030702
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 40.00 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 63.58 CC
- PISTON DIAMETER METRIC:
- 46.95 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 47.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +2,00 MM
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
$189.95 -
WISECO Piston Kit with Gaskets PK1521
WISECO
$179.95WISECO Piston Kit with Gaskets PK1521Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030703- SKU:
- 9030703
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- DISPLACEMENT:
- 82 CC
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON DIAMETER METRIC:
- 47.45 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 46.80 MM
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
WISECO Piston Kit with Gaskets PK1523
WISECO
$178.76WISECO Piston Kit with Gaskets PK1523Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030705- SKU:
- 9030705
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$178.76Qty in Cart: 0Quantity:Price:$178.76Subtotal: -
WISECO Piston Kit with Gaskets PK1525
WISECO
$178.76WISECO Piston Kit with Gaskets PK1525Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030707- SKU:
- 9030707
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$178.76Qty in Cart: 0Quantity:Price:$178.76Subtotal: -
WISECO Piston Kit - +0.50 mm - YZ 85 805M04800
WISECO
$119.95WISECO Piston Kit +0.50 mm YZ 85 805M04800Pistons come without gasket kit9101246- SKU:
- 9101246
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 85 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$119.95 -
WISECO Piston Kit with Gaskets PK1528
WISECO
$189.95WISECO Piston Kit with Gaskets PK1528Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030710- SKU:
- 9030710
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 46.80 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 49.50 MM
- DISPLACEMENT:
- 82 CC
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 49.45 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$189.95 -
WISECO Piston Kit 806M04900
WISECO
$119.95WISECO Piston Kit 806M04900Pistons come without gasket kit9101249- SKU:
- 9101249
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 49.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 46.80 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 84.7 CC
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$119.95 -
WISECO Piston Kit - RM250 - 2003-2007 823M06700
WISECO
$186.31WISECO Piston Kit RM250 2003-2007 823M06700Pistons come without gasket kit9101250- SKU:
- 9101250
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
$186.31Qty in Cart: 0Quantity:Price:$186.31Subtotal: -
WISECO Piston Kit - RM250 - 2003-2007 823M06750
WISECO
$184.95WISECO Piston Kit RM250 2003-2007 823M06750Pistons come without gasket kit9101251- SKU:
- 9101251
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.10 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,10 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
$184.95 -
WISECO Piston Kit - CR85 - 2003-2006 833M04800
WISECO
$119.95WISECO Piston Kit CR85 2003-2006 833M04800Pistons come without gasket kit9101252- SKU:
- 9101252
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 47.80 MM
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 84,7 CC
- PISTON MATERIAL:
- FORGED
$119.95 -
WISECO Piston Kit - CR85 - 2003-2006 833M04850
WISECO
$119.95WISECO Piston Kit CR85 2003-2006 833M04850Pistons come without gasket kit9101253- SKU:
- 9101253
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE METRIC:
- 48.50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 47.80 MM
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 84,7 CC
- PISTON MATERIAL:
- FORGED
$119.95 -
On Sale
WISECO Piston Kit with Gaskets PK1570
WISECO
MSRP: $282.84Now: $187.53Was: $288.50WISECO Piston Kit with Gaskets PK1570Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030723- SKU:
- 9030723
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.96 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 246.8 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- TYPE:
- TOP END
MSRP: $282.84Now: $187.53Was: $288.50Qty in Cart: 0Quantity:Price:MSRP: $282.84Now: $187.53Was: $288.50Subtotal: -
WISECO Piston Kit - YZ 125/X 846M05800
WISECO
$199.95WISECO Piston Kit YZ 125/X 846M05800Pistons come without gasket kit9101255- SKU:
- 9101255
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +4.00 MM
- BORE SIZE METRIC:
- 58.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +4,00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- RIDING STYLE:
- OFF-ROAD
$199.95 -
On Sale
WISECO Piston Kit with Gaskets PK1575
WISECO
MSRP: $230.85Now: $153.06Was: $235.47WISECO Piston Kit with Gaskets PK1575Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and top...9030726- SKU:
- 9030726
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- TYPE:
- TOP END
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- COOLING SYSTEM:
- AIR COOLED
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- MODEL:
- RACER'S CHOICE
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- UNITS:
- EACH
MSRP: $230.85Now: $153.06Was: $235.47Qty in Cart: 0Quantity:Price:MSRP: $230.85Now: $153.06Was: $235.47Subtotal: -
WISECO Piston Kit with Gaskets PK1577
WISECO
$235.47WISECO Piston Kit with Gaskets PK1577Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and top...9030728- SKU:
- 9030728
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
$235.47Qty in Cart: 0Quantity:Price:$235.47Subtotal: -
WISECO Piston Kit with Gaskets PK1579
WISECO
$245.62WISECO Piston Kit with Gaskets PK1579Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and top...9030730- SKU:
- 9030730
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$245.62Qty in Cart: 0Quantity:Price:$245.62Subtotal:
