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ATV/UTV Engine Rebuild Kits

ATV/UTV Engine Rebuild Kits

ATV/UTV Engine Rebuild Kits

ATV/UTV Engine Rebuild Kits at JJ Motorsports

Revive your ATV/UTV with complete engine rebuild kits from JJ Motorsports, featuring everything you need for a full top-to-bottom refresh on Yamaha Blaster, Polaris, Arctic Cat, Kawasaki, and Suzuki models. These all-in-one kits include pistons, gaskets, bearings, seals, and more for fast, reliable rebuilds and maximum performance.

Shop Wrench Rabbit and Wiseco rebuild kits for race-proven quality. Explore related categories such as ATV/UTV engine for individual components, or ATV/UTV for cams and exhaust to finish your build and ride with total confidence across all conditions, from high-speed dunes to technical trails.

Top ATV/UTV Engine Rebuild Kits

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Wrench Rabbit Arctic Cat DVX 400 2005-2008 Complete Engine Rebuild Kit WR101-061

    Wrench Rabbit Arctic Cat DVX 400 2005-2008 Complete Engine Rebuild Kit WR101-061

    WRENCH RABBIT

    $1,048.95
    Revitalize your ride with the WRENCH RABBIT Engine Kit, designed for Arctic Cat, Kawasaki, and Suzuki models. This comprehensive kit includes everything you need for a professional-grade engine rebuild, ensuring optimal performance and reliability...
    09030999
    SKU:
    09030999
    Availability:
    Ships Same Business Day
    Weight:
    16.45 LBS
    FEATURES:
    STANDARD COMPRESSION PISTON
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    MODEL:
    WRENCH RABBIT
    RIDING STYLE:
    ATV
    TYPE:
    ENGINE
    PRODUCT NAME:
    REBUILD KIT
    $1,048.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,048.95
    Subtotal:
  • WSM Top-End Rebuild Kit - Platinum Series - Standard 54-306-10P

    WSM Top-End Rebuild Kit - Platinum Series - Standard 54-306-10P

    WSM

    $143.04
    Top-quality piston kits, Include pistons, rings, pins, clips, racing needle bearings, head and base gaskets, intake and exhaust gaskets
    09030756
    SKU:
    09030756
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    83.00 MM
    PISTON MATERIAL:
    ALUMINUM
    TYPE:
    TOP END
    MODEL:
    PLATINUM SERIES
    PISTON SIZE METRIC:
    STANDARD
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $143.04
    Qty in Cart: 0
    Quantity:
    Price:
    $143.04
    Subtotal:
  • Wiseco Engine Rebuild Kit for Yamaha Banshee 1987-2006 PWR100-640

    Wiseco Engine Rebuild Kit for Yamaha Banshee 1987-2006 PWR100-640

    WISECO

    $1,069.95
    Revitalize your Banshee with the WISECO Engine Kit, meticulously crafted for a complete engine rebuild. This comprehensive kit ensures peak performance and longevity, featuring a robust crankshaft and rod assembly that has undergone rigorous inspection...
    09031486
    SKU:
    09031486
    Availability:
    Ships Same Business Day
    Weight:
    17.35 LBS
    BORE SIZE METRIC:
    64.00 MM
    DISPLACEMENT:
    350 CC
    PRODUCT NAME:
    REBUILD KIT
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    ATV
    TYPE:
    ENGINE
    FEATURES:
    PROLITE® PISTON
    MODEL:
    GARAGE BUDDY
    UNITS:
    KIT
    OVERBORE METRIC:
    STANDARD
    $1,069.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,069.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for Yamaha YFZ350 Banshee 1987-2006 PWR100-645

    Wiseco Engine Rebuild Kit for Yamaha YFZ350 Banshee 1987-2006 PWR100-645

    WISECO

    $1,094.95
    Revitalize your Banshee with the WISECO Engine Kit, engineered for optimal performance and reliability. This comprehensive kit includes everything you need for a full engine overhaul, ensuring your ride runs smoothly and efficiently. With top-quality...
    09031487
    SKU:
    09031487
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    DISPLACEMENT:
    350 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    BORE SIZE METRIC:
    64.50 MM
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    +0.50 MM
    $1,094.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,094.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for Yamaha YFZ350 Banshee 1987-2006 PWR100-650

    Wiseco Engine Rebuild Kit for Yamaha YFZ350 Banshee 1987-2006 PWR100-650

    WISECO

    $1,094.95
    Revitalize your Banshee with the WISECO Engine Kit, meticulously crafted for a comprehensive rebuild. This kit includes everything you need for both top and bottom-end restoration, ensuring peak performance and reliability on every ride. Includes...
    09031488
    SKU:
    09031488
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    BORE SIZE METRIC:
    65.00 MM
    DISPLACEMENT:
    350 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    ATV
    OVERBORE METRIC:
    +1.00 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    UNITS:
    KIT
    FEATURES:
    PROLITE® PISTON
    $1,094.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,094.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YFZ350 Banshee 1987-2006 PWR100-655

    Wiseco Engine Rebuild Kit Yamaha YFZ350 Banshee 1987-2006 PWR100-655

    WISECO

    $1,129.95
    Revitalize your Banshee with the WISECO Engine Kit, meticulously engineered for optimal performance and longevity. This comprehensive kit includes everything needed for a complete engine rebuild, ensuring your bike runs smoothly and efficiently. With...
    09031489
    SKU:
    09031489
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    ENGINE TYPE:
    2-STROKE
    UNITS:
    KIT
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    65.50 MM
    DISPLACEMENT:
    350 CC
    FEATURES:
    PROLITE® PISTON
    MODEL:
    GARAGE BUDDY
    OVERBORE METRIC:
    +1.50 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    $1,129.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,129.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YFZ350 Banshee 1987-2006 PWR100-660

    Wiseco Engine Rebuild Kit Yamaha YFZ350 Banshee 1987-2006 PWR100-660

    WISECO

    $1,114.95
    Revitalize your Banshee with the WISECO Engine Kit, designed for a seamless top and bottom-end rebuild. This comprehensive kit ensures optimal performance and longevity, featuring meticulously inspected components for durability and reliability. ...
    09031490
    SKU:
    09031490
    Availability:
    Ships Same Business Day
    Weight:
    17.50 LBS
    BORE SIZE METRIC:
    66.00 MM
    DISPLACEMENT:
    350 CC
    OVERBORE METRIC:
    +2.00 MM
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    ATV
    ENGINE TYPE:
    2-STROKE
    TYPE:
    ENGINE
    MODEL:
    GARAGE BUDDY
    UNITS:
    KIT
    FEATURES:
    PROLITE® PISTON
    $1,114.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,114.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for Yamaha YFS200 Blaster 1988-2006 PWR105-660

    Wiseco Engine Rebuild Kit for Yamaha YFS200 Blaster 1988-2006 PWR105-660

    WISECO

    $534.95
    Revitalize your Blaster with the WISECO Engine Kit, engineered for a complete top and bottom-end rebuild. This comprehensive kit includes all essential components, ensuring your engine runs smoothly and efficiently. Each part is meticulously designed and...
    09031492
    SKU:
    09031492
    Availability:
    Ships Same Business Day
    Weight:
    10.35 LBS
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    BORE SIZE METRIC:
    66.00 MM
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    ATV
    DISPLACEMENT:
    200 CC
    FEATURES:
    PROLITE® PISTON
    MODEL:
    GARAGE BUDDY
    OVERBORE METRIC:
    STANDARD
    UNITS:
    KIT
    $534.95
    Qty in Cart: 0
    Quantity:
    Price:
    $534.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for 1988-2006 Yamaha YFS200 Blaster 66.50mm PWR105-665

    Wiseco Engine Rebuild Kit for 1988-2006 Yamaha YFS200 Blaster 66.50mm PWR105-665

    WISECO

    $534.95
    Revitalize your Yamaha Blaster with the WISECO Engine Kit, meticulously crafted for a complete engine rebuild. This comprehensive kit includes all essential components, ensuring your engine performs at its peak with enhanced durability and reliability. ...
    09031493
    SKU:
    09031493
    Availability:
    Ships Same Business Day
    Weight:
    10.50 LBS
    OVERBORE METRIC:
    +0.50 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    DISPLACEMENT:
    200 CC
    FEATURES:
    PROLITE® PISTON
    MODEL:
    GARAGE BUDDY
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    66.50 MM
    $534.95
    Qty in Cart: 0
    Quantity:
    Price:
    $534.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YFS200 Blaster 1988-2006 PWR105-670

    Wiseco Engine Rebuild Kit Yamaha YFS200 Blaster 1988-2006 PWR105-670

    WISECO

    $534.95
    Revitalize your Blaster with the WISECO Engine Kit, meticulously crafted for models from 1988 to 2006. This comprehensive kit includes everything you need for a complete engine rebuild, ensuring optimal performance and longevity for your ride. ...
    09031494
    SKU:
    09031494
    Availability:
    Ships Same Business Day
    Weight:
    10.25 LBS
    TYPE:
    ENGINE
    RIDING STYLE:
    ATV
    DISPLACEMENT:
    200 CC
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    +1.00 MM
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    67.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    UNITS:
    KIT
    $534.95
    Qty in Cart: 0
    Quantity:
    Price:
    $534.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for Honda TRX400EX 2005-2008 PWR131B-860

    Wiseco Engine Rebuild Kit for Honda TRX400EX 2005-2008 PWR131B-860

    WISECO

    $809.95
    Revitalize your 400EX with the WISECO Engine Kit, specifically engineered for models from 2005 to 2014. This comprehensive kit includes all essential components for a full engine rebuild, ensuring peak performance and reliability. Complete top and...
    09031515
    SKU:
    09031515
    Availability:
    Ships Same Business Day
    Weight:
    16.40 LBS
    $809.95
    Qty in Cart: 0
    Quantity:
    Price:
    $809.95
    Subtotal:
  • Wrench Rabbit Complete Engine Rebuild Kit for 2019-2020 Polaris RZR XP 1000 WR00053

    Wrench Rabbit Complete Engine Rebuild Kit for 2019-2020 Polaris RZR XP 1000 WR00053

    WRENCH RABBIT

    $1,846.95
    Revitalize your Polaris engine with the WRENCH RABBIT Engine Kit, designed for those seeking a comprehensive rebuild solution. This all-in-one kit includes everything you need for a complete engine overhaul, ensuring optimal performance and longevity for...
    09031657
    SKU:
    09031657
    Availability:
    Ships Same Business Day
    Weight:
    31.80 LBS
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    RIDING STYLE:
    UTV
    $1,846.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,846.95
    Subtotal:
  • Wrench Rabbit Engine Rebuild Kit for Polaris RZR 1000 2016-2017 WR00054

    Wrench Rabbit Engine Rebuild Kit for Polaris RZR 1000 2016-2017 WR00054

    WRENCH RABBIT

    $1,846.95
    Revitalize your Polaris engine with the WRENCH RABBIT Engine Kit, designed for a complete and efficient rebuild. This comprehensive kit includes all essential components to restore your engine's performance and reliability, ensuring a smooth ride on...
    09031658
    SKU:
    09031658
    Availability:
    Ships Same Business Day
    Weight:
    27.90 LBS
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    UNITS:
    KIT
    RIDING STYLE:
    UTV
    $1,846.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,846.95
    Subtotal:
  • Wrench Rabbit Engine Rebuild Kit for 2019 Polaris Ranger XP 1000 EPS WR00055

    Wrench Rabbit Engine Rebuild Kit for 2019 Polaris Ranger XP 1000 EPS WR00055

    WRENCH RABBIT

    $1,846.95
    Revitalize your Polaris engine with the WRENCH RABBIT Engine Kit WR00055. This comprehensive rebuild kit is designed for optimal performance, ensuring your engine runs smoothly and efficiently. With high-quality components included, you can trust that...
    09031659
    SKU:
    09031659
    Availability:
    Ships Same Business Day
    Weight:
    25.00 LBS
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    UNITS:
    KIT
    RIDING STYLE:
    ATV
    $1,846.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,846.95
    Subtotal:
  • WSM Top End Kit - .75mm - Kawasaki 54-255-13

    WSM Top End Kit - .75mm - Kawasaki 54-255-13

    WSM

    $125.25
    Top-quality piston kit, Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    09031384
    SKU:
    09031384
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    OVERBORE METRIC:
    +0.75 MM
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    ATV
    $125.25
    Qty in Cart: 0
    Quantity:
    Price:
    $125.25
    Subtotal:
  • WSM Top End Kit - 1mm - Kawasaki 54-255-14

    WSM Top End Kit - 1mm - Kawasaki 54-255-14

    WSM

    $127.76
    Top-quality piston kit, Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    09031385
    SKU:
    09031385
    Availability:
    Ships Same Business Day
    Weight:
    1.65 LBS
    OVERBORE METRIC:
    +1.00 MM
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    $127.76
    Qty in Cart: 0
    Quantity:
    Price:
    $127.76
    Subtotal:
  • WSM Top End Kit - Standard - Kawasaki 54-255-20

    WSM Top End Kit - Standard - Kawasaki 54-255-20

    WSM

    $132.70
    Top-quality piston kit, Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    09031386
    SKU:
    09031386
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    OVERBORE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    $132.70
    Qty in Cart: 0
    Quantity:
    Price:
    $132.70
    Subtotal:
  • WSM Top End Kit - .5mm - Kawasaki 54-255-22

    WSM Top End Kit - .5mm - Kawasaki 54-255-22

    WSM

    $130.10
    Top-quality piston kit, Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    09031388
    SKU:
    09031388
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    OVERBORE METRIC:
    +0.50 MM
    PRODUCT NAME:
    PISTON KIT
    $130.10
    Qty in Cart: 0
    Quantity:
    Price:
    $130.10
    Subtotal:
  • WSM Top End Kit - 1mm - Kawasaki 54-255-24

    WSM Top End Kit - 1mm - Kawasaki 54-255-24

    WSM

    $130.10
    Top-quality piston kit, Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    09031390
    SKU:
    09031390
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    UNITS:
    KIT
    RIDING STYLE:
    ATV
    OVERBORE METRIC:
    +1.00 MM
    PRODUCT NAME:
    PISTON KIT
    $130.10
    Qty in Cart: 0
    Quantity:
    Price:
    $130.10
    Subtotal:
  • WSM Top End Kit - Standard - Kawasaki 54-257-10

    WSM Top End Kit - Standard - Kawasaki 54-257-10

    WSM

    $139.18
    Top-quality piston kit, Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    09031391
    SKU:
    09031391
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    UNITS:
    KIT
    OVERBORE METRIC:
    STANDARD
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    PISTON KIT
    $139.18
    Qty in Cart: 0
    Quantity:
    Price:
    $139.18
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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