Dirt Bike Engine

Dirt Bike Engine

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!

  • WISECO Piston - Honda - 2mm 338M07200

    WISECO Piston - Honda - 2mm 338M07200

    WISECO

    $224.95
    Wiseco 338M07200 Piston Kit Unleash the full potential of your engine with the Wiseco 338M07200 Piston Kit, meticulously crafted to elevate the performance of 2-stroke engines. Engineered for unmatched strength, durability, and precision, this piston kit...
    338M07200
    SKU:
    338M07200
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE - OVERSIZE:
    +2,00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    DISPLACEMENT:
    248 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    UTV
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    71.95 MM
    RIDING STYLE:
    OFF-ROAD
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE SIZE METRIC:
    72.00 MM
    STROKE LENGTH METRIC:
    64.40 MM
    $224.95
  • WISECO Piston - Honda - Standard 339M05600

    WISECO Piston - Honda - Standard 339M05600

    WISECO

    $187.95
    Wiseco 339M05600 Piston Kit Boost your dirt bike’s performance with the Wiseco 339M05600 Piston Kit, a premium solution tailored for 2-stroke engines. Designed to deliver superior durability, precision, and power, this piston kit is perfect for...
    339M05600
    SKU:
    339M05600
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    56.00 MM
    DISPLACEMENT:
    123 CC
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    55.94 MM
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    50.00 MM
    $187.95
  • WISECO Piston - Honda - 2.0mm 339M05800

    WISECO Piston - Honda - 2.0mm 339M05800

    WISECO

    $206.95
    Wiseco 339M05800 Piston Kit Transform your riding experience with the Wiseco 339M05800 Piston Kit, a top-tier solution engineered for 2-stroke engines. This piston kit combines durability, precision, and performance, making it an ideal upgrade for dirt...
    339M05800
    SKU:
    339M05800
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    BORE - OVERSIZE METRIC:
    +2.00 MM
    DISPLACEMENT:
    123 CC
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    57.94 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    +2,00 MM
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    58.00 MM
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    50.00 MM
    $206.95
  • WISECO Piston 471M06700

    WISECO Piston 471M06700

    WISECO

    $201.95
    Wiseco 471M06700 Piston Kit Unleash your dirt bike’s true potential with the Wiseco 471M06700 Piston Kit, expertly engineered for 2-stroke engines. This high-performance piston kit is designed to deliver exceptional precision, strength, and power,...
    471M06700
    SKU:
    471M06700
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    ENGINE TYPE:
    2-STROKE
    BORE - OVERSIZE:
    +1,00 MM
    BORE - OVERSIZE METRIC:
    +1.00 MM
    BORE SIZE METRIC:
    67.00 MM
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    STROKE LENGTH METRIC:
    50.00 MM
    UNITS:
    KIT
    DISPLACEMENT:
    172 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    PISTON DIAMETER METRIC:
    66.95 MM
    SKIRT COATING:
    NON-COATED
    $201.95
  • WISECO Piston - Yamaha - Standard 452M07000

    WISECO Piston - Yamaha - Standard 452M07000

    WISECO

    $199.95
    Wiseco 452M07000 Piston Kit Achieve peak performance with the Wiseco 452M07000 Piston Kit, engineered to meet the demands of 2-stroke engines. Designed for riders who want nothing but the best for their dirt bikes, this piston kit guarantees durability,...
    452M07000
    SKU:
    452M07000
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    246 CC
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    BORE SIZE METRIC:
    70.00 MM
    PISTON DIAMETER METRIC:
    69.95 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    64.00 MM
    UNITS:
    KIT
    $199.95
  • WISECO Piston - Yamaha - 1mm 452M07100

    WISECO Piston - Yamaha - 1mm 452M07100

    WISECO

    $199.95
    Wiseco 452M07100 Piston Kit Elevate the performance of your dirt bike with the Wiseco 452M07100 Piston Kit, a premium solution designed for 2-stroke engines. Perfectly suited for riders seeking reliability, strength, and consistency, this piston kit...
    452M07100
    SKU:
    452M07100
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    FORGED SERIES
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    246 CC
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    64.00 MM
    UNITS:
    KIT
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    71.00 MM
    PISTON DIAMETER METRIC:
    70.95 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    $199.95
  • WISECO Piston - Yamaha - 1.25mm 452M07150

    WISECO Piston - Yamaha - 1.25mm 452M07150

    WISECO

    $224.95
    Wiseco 452M07150 Piston Kit Upgrade your dirt bike with the high-performance Wiseco 452M07150 Piston Kit, expertly designed to deliver precision, durability, and power for 2-stroke engines. Engineered for riders who demand peak performance, this piston...
    452M07150
    SKU:
    452M07150
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE - OVERSIZE:
    +1,25 MM
    DISPLACEMENT:
    246 CC
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.25 MM
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    71.45 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    FORGED SERIES
    BORE SIZE METRIC:
    71.50 MM
    STROKE LENGTH METRIC:
    64.00 MM
    $224.95
  • WISECO Piston Kit - Racer Elite RE804M07800

    WISECO Piston Kit - Racer Elite RE804M07800

    WISECO

    $371.41
    Wiseco RE804M07800 Piston Kit Take your dirt bike’s performance to the next level with the Wiseco RE804M07800 Piston Kit, meticulously engineered for 4-stroke engines. Designed with proven durability and superior craftsmanship, this piston kit...
    09105073
    SKU:
    09105073
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    78.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.5:1
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    ARMORGLIDE®
    $371.41
  • WISECO Piston - Honda - XR650C - 1mm 4562M10100

    WISECO Piston - Honda - XR650C - 1mm 4562M10100

    WISECO

    $239.95
    Wiseco 4562M10100 Piston Kit Enhance your dirt bike’s performance with the Wiseco 4562M10100 Piston Kit, expertly crafted to deliver reliability and power for 4-stroke engines. Designed for serious riders and enthusiasts, this premium piston kit...
    4562M10100
    SKU:
    4562M10100
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    COMPRESSION RATIO IMPERIAL:
    8.7:1
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    BORE SIZE METRIC:
    101.00 MM
    DISPLACEMENT:
    650 CC
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    +1,00 MM
    PISTON DIAMETER METRIC:
    100.92 MM
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH METRIC:
    82.00 MM
    PISTON MATERIAL:
    FORGED 2618 ALUMINUM
  • WISECO Piston Kit - Racer Elite - KX250F RE811M07700

    WISECO Piston Kit - Racer Elite - KX250F RE811M07700

    WISECO

    $371.41
    Wiseco RE811M07700 Piston Kit Transform your dirt bike’s performance with the Wiseco RE811M07700 Piston Kit, a top-tier choice for 4-stroke engines. Designed for riders and racers who demand exceptional power, precision, and reliability, this...
    09105075
    SKU:
    09105075
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE SIZE METRIC:
    77.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.5:1
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    $371.41
  • WISECO Piston Kit - Racer Elite - YZ250F RE812M07700

    WISECO Piston Kit - Racer Elite - YZ250F RE812M07700

    WISECO

    $371.41
    Wiseco RE812M07700 Piston Kit Maximize your dirt bike's performance with the Wiseco RE812M07700 Piston Kit, a premium choice for 4-stroke engines designed to surpass the demands of intense off-road riding and competition. Built with precision and...
    09105076
    SKU:
    09105076
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE SIZE METRIC:
    77.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.5:1
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    $371.41
  • WISECO Piston Kit - Racer Elite RE921M04750

    WISECO Piston Kit - Racer Elite RE921M04750

    WISECO

    $159.95
    Wiseco RE921M04750 Piston Kit Elevate your dirt bike's performance with the Wiseco RE921M04750 Piston Kit, designed to offer unbeatable strength and precision for 2-stroke engines. Crafted with advanced materials and innovative technology, this piston...
    09105077
    SKU:
    09105077
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFIT™
    PISTON MATERIAL:
    2000 SERIES ALLOY
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    47.50 MM
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
  • WISECO Piston Kit - Racer Elite RE908M05600

    WISECO Piston Kit - Racer Elite RE908M05600

    WISECO

    $204.95
    WISECO Piston Kit Racer Elite RE908M05600The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...
    09105079
    SKU:
    09105079
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFIT™
    PISTON MATERIAL:
    2000 SERIES ALLOY
    BORE - OVERSIZE:
    +2,00 MM
    BORE SIZE METRIC:
    56.00 MM
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE METRIC:
    +2.00 MM
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    UNITS:
    KIT
    $204.95
  • WISECO Piston 4576M08000

    WISECO Piston 4576M08000

    WISECO

    $174.95
    Wiseco 4576M08000 Piston Kit Unleash the full potential of your dirt bike with the Wiseco 4576M08000 Piston Kit, specifically crafted for 4-stroke engines to deliver superior performance and reliability. Engineered with precision, this kit is designed to...
    4576M08000
    SKU:
    4576M08000
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE - OVERSIZE:
    +1,00 MM
    PISTON DIAMETER METRIC:
    79.95 MM
    PISTON MATERIAL:
    FORGED 2618 ALUMINUM
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    80.00 MM
    DISPLACEMENT:
    349 CC
    MODEL:
    FORGED SERIES
    STROKE LENGTH METRIC:
    71.20 MM
    BORE - OVERSIZE METRIC:
    +1.00 MM
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    $174.95
  • WISECO Piston Kit - Racer Elite RE922M05600

    WISECO Piston Kit - Racer Elite RE922M05600

    WISECO

    $204.95
    Wiseco RE922M05600 Piston Kit Enhance your dirt bike's engine performance with the Wiseco RE922M05600 Piston Kit, crafted specifically for 2-stroke engines to meet the rigorous demands of competitive riders. This high-performance kit is engineered with...
    09105081
    SKU:
    09105081
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFIT™
    BORE - OVERSIZE:
    +2,00 MM
    BORE SIZE METRIC:
    56.00 MM
    PISTON MATERIAL:
    FORGED
    PISTON MATERIAL:
    2000 SERIES ALLOY
    BORE - OVERSIZE METRIC:
    +2.00 MM
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    UNITS:
    KIT
    $204.95
  • WISECO Piston Kit - Racer Elite RE916M06640

    WISECO Piston Kit - Racer Elite RE916M06640

    WISECO

    $249.95
    Wiseco RE916M06640 Piston Kit Elevate the performance of your dirt bike with the Wiseco RE916M06640 Piston Kit, a precision-engineered solution for 2-stroke engines tailored to meet the demands of serious riders and competitive racers. Crafted with...
    09105083
    SKU:
    09105083
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    2000 SERIES ALLOY
    PISTON MATERIAL:
    FORGED
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFIT™
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    UNITS:
    KIT
    BORE SIZE METRIC:
    66.40 MM
  • WISECO Piston 457M05100

    WISECO Piston 457M05100

    WISECO

    $177.95
    Wiseco 457M05100 Piston Kit Take your dirt bike performance to the next level with the Wiseco 457M05100 Piston Kit, designed specifically for 2-stroke engines. Engineered with precision and built from premium materials, this piston kit delivers...
    457M05100
    SKU:
    457M05100
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    BORE - OVERSIZE:
    +2,00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    50.95 MM
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    42.00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    BORE SIZE METRIC:
    51.00 MM
    DISPLACEMENT:
    79 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    $177.95
  • WISECO Piston Kit - Racer Elite RE910M04700

    WISECO Piston Kit - Racer Elite RE910M04700

    WISECO

    $139.95
    Wiseco RE910M04700 Piston Kit Transform your dirt bike into a high-performance machine with the Wiseco RE910M04700 Piston Kit, engineered for 2-stroke engines. This premium piston kit combines cutting-edge technology, outstanding durability, and...
    09105085
    SKU:
    09105085
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    PISTON MATERIAL:
    2000 SERIES ALLOY
    PISTON MATERIAL:
    FORGED
    BORE SIZE METRIC:
    47.00 MM
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    UNITS:
    KIT
    SKIRT COATING:
    ARMORFIT™
    $139.95
  • WISECO Piston Kit with Gaskets PK1117

    WISECO Piston Kit with Gaskets PK1117

    WISECO

    $204.95
    Wiseco PK1117 Piston Kit Unlock exceptional power and reliability for your dirt bike with the Wiseco PK1117 Piston Kit, purposefully designed for 2-stroke engines. This high-performance kit combines cutting-edge engineering with premium-grade materials,...
    09030172
    SKU:
    09030172
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    BORE - OVERSIZE:
    +0,50 MM
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    66.00 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    PISTON DIAMETER METRIC:
    65.95 MM
    RIDING STYLE:
    OFF-ROAD
    DISPLACEMENT:
    192 CC
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    57.80 MM
    $204.95
  • WISECO Piston Kit with Gaskets PK1225

    WISECO Piston Kit with Gaskets PK1225

    WISECO

    $179.95
    Wiseco PK1225 Piston Kit Unleash the full potential of your dirt bike with the Wiseco PK1225 Piston Kit, expertly engineered for 2-stroke engines. This premium piston kit is your go-to solution for improved performance, durability, and reliability on the...
    09030173
    SKU:
    09030173
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    DISPLACEMENT:
    79.7 CC
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    45.00 MM
    BORE SIZE METRIC:
    48.00 MM
    COMPRESSION RATIO IMPERIAL:
    9.7:1
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    47.97 MM
    PRODUCT NAME:
    REBUILD KIT
    $179.95

Dirt Bike Engine Parts

Keep your dirt bike running smoothly and prolong the life of its engine with essential general maintenance. But when parts start to break down, don't let it stop you from getting out on the trails! JJ Motorsports has all that you need for minor jobs like oil changes or major overhauls such as a complete rebuild - carrying top aftermarket brands . Get back in gear faster by shopping our full line of high-quality dirt bike engine parts here today at JJ Motorsports!

 

At JJ Motorsports, we want to make sure you don't miss out on the ride! If your motor has blown or radiator smashed, our gearheads can help get you back in the seat. We carry piston kits from top brands like Wiseco and Wrench Rabbit engine kits so that riders have access to a wide range of parts for their dirt bike engine rebuilds. Plus – with gaskets at-the-ready when it comes time for any leakages - no need to worry about maintenance issues either; simply stay up on oil & filter changes and let us take care of everything else. Got queries? Just give one of our knowledgeable staff members a call at 1-231‐767‐5055 where they'll be more than happy provide advice, instructions and tailored answers catered just for YOU!