Select Your Ride

1
2
3

ATV/UTV Engine

ATV/UTV Engine

ATV/UTV Engine

ATV/UTV Engine Parts at JJ Motorsports

Maximize your ATV or UTV's engine life with top-quality components from JJ Motorsports. Our selection includes gasket kits, connecting rods, water pump rebuild kits, and timing plugs designed for reliable sealing, strength, and easy installation in demanding off-road conditions. Compatible with Polaris, Can-Am, Honda, and more, these parts ensure peak power, reduced wear, and efficient operation for trail riding or utility work.

Shop trusted brands like Moose Racing for rebuild kits and Winderosa for gaskets. Explore related categories such as ATV/UTV air and fuel for intake upgrades or ATV/UTV drivetrain for transmission enhancements.

Top ATV/UTV Engine Products

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Hot Cams Camshaft for 2008-2014 Polaris RZR 800 4x4 HC00051

    Hot Cams Camshaft for 2008-2014 Polaris RZR 800 4x4 HC00051

    HOT CAMS

    $482.95
    The stock camshaft in your RZR 800 leaves significant performance on the table. The HOT CAMS HC00051 is engineered to unlock engine potential across the entire RPM band—whether you're building low-end grunt for trail crawling or chasing peak horsepower...
    09251253
    SKU:
    09251253
    Availability:
    Ships Same Business Day
    Weight:
    2.56 LBS
    APPLICATION:
    EXHAUST
    EXHAUST DURATION IMPERIAL:
    235°
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    INTAKE DURATION IMPERIAL:
    240°
    EXHAUST LIFT METRIC:
    10.41 MM
    INTAKE LIFT METRIC:
    10.67 MM
    PRODUCT NAME:
    CAMSHAFT
    TYPE:
    STAGE 1
    $482.95
    Qty in Cart: 0
    Quantity:
    Price:
    $482.95
    Subtotal:
  • Hot Cams Exhaust Camshaft for 2015-2018 Polaris RZR XP 1000 HC00050

    Hot Cams Exhaust Camshaft for 2015-2018 Polaris RZR XP 1000 HC00050

    HOT CAMS

    $394.95
    The HOT CAMS Exhaust Camshaft HC00050 is engineered to unlock measurable gains in both torque delivery and peak horsepower for your 2015-2018 Polaris RZR XP 1000. If you're serious about extracting maximum performance from your engine across the entire...
    09251252
    SKU:
    09251252
    Availability:
    Ships Same Business Day
    Weight:
    1.86 LBS
    EXHAUST LIFT METRIC:
    10.18 MM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    CAMSHAFT
    RIDING STYLE:
    UTV
    TYPE:
    STAGE 2
    $394.95
    Qty in Cart: 0
    Quantity:
    Price:
    $394.95
    Subtotal:
  • Hot Cams Cam Chain for Yamaha YFM350 Warrior 1987-2004 HCDID219090

    Hot Cams Cam Chain for Yamaha YFM350 Warrior 1987-2004 HCDID219090

    HOT CAMS

    $46.95
    A worn or failing cam chain compromises valve timing and engine reliability—especially critical on high-performance builds or older machines that see regular use. The HOT CAMS HCDID219090 delivers heat-treated construction and superior material quality...
    09251182
    SKU:
    09251182
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    BASE FINISH:
    RAW
    CHAIN SIZE:
    DID219
    RIDING STYLE:
    ATV
    TYPE:
    CAM
    UNITS:
    EACH
    MODEL:
    ROLLER
    PRODUCT NAME:
    CHAIN
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    $46.95
    Qty in Cart: 0
    Quantity:
    Price:
    $46.95
    Subtotal:
  • Hot Cams Cam Chain for Polaris RZR 900 2014 HC98XRH2015142

    Hot Cams Cam Chain for Polaris RZR 900 2014 HC98XRH2015142

    HOT CAMS

    $62.95
    A worn or inefficient cam chain compromises valve timing precision and engine reliability—especially critical in high-performance RZR 900 applications where durability under load is non-negotiable. The HOT CAMS HC98XRH2015142 delivers heat-treated,...
    09251126
    SKU:
    09251126
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    COLOR/FINISH:
    RAW
    PRODUCT NAME:
    CHAIN
    MATERIAL:
    STEEL
    MODEL:
    SILENT
    TYPE:
    CAM
    UNITS:
    EACH
    CHAIN SIZE:
    98XRH2015
    RIDING STYLE:
    UTV
    BASE FINISH:
    RAW
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • Hot Cams Exhaust Camshaft for Yamaha YFZ450R 2009-2021 4303-3E

    Hot Cams Exhaust Camshaft for Yamaha YFZ450R 2009-2021 4303-3E

    HOT CAMS

    $310.95
    If you're serious about extracting maximum performance from your YFZ450R, your camshaft profile is where gains are made. The HOT CAMS 4303-3E exhaust cam delivers measurable improvements in throttle response and power delivery across the entire RPM...
    09251125
    SKU:
    09251125
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    APPLICATION:
    EXHAUST
    EXHAUST LIFT METRIC:
    9.65 MM
    TYPE:
    STAGE 3
    PRODUCT NAME:
    CAM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    EXHAUST DURATION IMPERIAL:
    262°
    $310.95
    Qty in Cart: 0
    Quantity:
    Price:
    $310.95
    Subtotal:
  • Hot Cams Exhaust Camshaft for Yamaha YFZ450R 2009-2020 4289-2E

    Hot Cams Exhaust Camshaft for Yamaha YFZ450R 2009-2020 4289-2E

    HOT CAMS

    $310.95
    If you're running a YFZ450R in competitive racing, cam selection directly impacts your power delivery and throttle response. The Hot Cams 4289-2E exhaust camshaft is engineered to unlock measurable gains in mid-range torque and top-end horsepower, giving...
    09251010
    SKU:
    09251010
    Availability:
    Ships Same Business Day
    Weight:
    0.76 LBS
    APPLICATION:
    EXHAUST
    EXHAUST DURATION IMPERIAL:
    262°
    PRODUCT NAME:
    CAMSHAFT
    TYPE:
    STAGE 2
    EXHAUST LIFT METRIC:
    9.14 MM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $310.95
    Qty in Cart: 0
    Quantity:
    Price:
    $310.95
    Subtotal:
  • Hot Cams Cam Chain for Yamaha YFM700R Raptor 2006-2018 HC98XRH2010126

    Hot Cams Cam Chain for Yamaha YFM700R Raptor 2006-2018 HC98XRH2010126

    HOT CAMS

    $54.95
    The stock cam chain on your YFM700R will eventually stretch and wear, robbing your engine of precision timing and creating unwanted noise. Hot Cams' heat-treated silent chain eliminates both problems—delivering the exact valve timing your engine demands...
    09250758
    SKU:
    09250758
    Availability:
    Ships Same Business Day
    Weight:
    0.53 LBS
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    CHAIN SIZE:
    98XRH2010
    PRODUCT NAME:
    CHAIN
    BASE FINISH:
    RAW
    TYPE:
    CAM
    MODEL:
    SILENT
    RIDING STYLE:
    UTV
    $54.95
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • Hot Cams Camshaft for Yamaha Grizzly 660 2002-2008 4034-1

    Hot Cams Camshaft for Yamaha Grizzly 660 2002-2008 4034-1

    HOT CAMS

    $283.95
    A stock camshaft limits your Grizzly 660's potential, leaving power on the table across the RPM range. The HOT CAMS 4034-1 unlocks measurable gains in torque and horsepower while maintaining compatibility with your existing valve springs—no machine work...
    09250504
    SKU:
    09250504
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    PRODUCT NAME:
    CAMSHAFT
    APPLICATION:
    INTAKE
    INTAKE LIFT METRIC:
    9.02 MM
    RIDING STYLE:
    ATV
    TYPE:
    STAGE 1
    EXHAUST DURATION IMPERIAL:
    248°
    EXHAUST LIFT METRIC:
    9.20 MM
    APPLICATION:
    EXHAUST
    INTAKE DURATION IMPERIAL:
    247°
    UNITS:
    EACH
    $283.95
    Qty in Cart: 0
    Quantity:
    Price:
    $283.95
    Subtotal:
  • Hot Cams Stage 1 Camshaft for Honda TRX300EX 1993-2009 1058-1

    Hot Cams Stage 1 Camshaft for Honda TRX300EX 1993-2009 1058-1

    HOT CAMS

    $294.95
    The stock camshaft in your TRX300EX limits what your engine can actually deliver. Hot Cams Stage 1 swaps that constraint for real low-end torque and snappier throttle response—the kind of gains that show up immediately on the track or trail. Because...
    09250498
    SKU:
    09250498
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    APPLICATION:
    INTAKE
    EXHAUST LIFT METRIC:
    7.50 MM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    EXHAUST DURATION IMPERIAL:
    232°
    INTAKE DURATION IMPERIAL:
    238°
    TYPE:
    STAGE 1
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    CAMSHAFT
    INTAKE LIFT METRIC:
    7.05 MM
    $294.95
    Qty in Cart: 0
    Quantity:
    Price:
    $294.95
    Subtotal:
  • Hot Cams Exhaust Camshaft for Polaris Outlaw 500 2006-2007 5046-1E

    Hot Cams Exhaust Camshaft for Polaris Outlaw 500 2006-2007 5046-1E

    HOT CAMS

    $391.95
    If you're serious about extracting maximum performance from your 2006-2007 Polaris Outlaw 500, your stock exhaust cam is leaving power on the table. The HOT CAMS 5046-1E exhaust camshaft unlocks measurable gains in mid-range torque and top-end horsepower...
    09250151
    SKU:
    09250151
    Availability:
    Ships Same Business Day
    Weight:
    1.61 LBS
    PRODUCT NAME:
    CAMSHAFT
    TYPE:
    STAGE 1
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    EXHAUST LIFT METRIC:
    10.70 MM
    APPLICATION:
    EXHAUST
    EXHAUST DURATION IMPERIAL:
    235°
    Qty in Cart: 0
    Quantity:
    Price:
    $391.95
    Subtotal:
  • MOOSE UTILITY Oneway Clutch Bearing - Suzuki/Yamaha 11-912

    MOOSE UTILITY Oneway Clutch Bearing - Suzuki/Yamaha 11-912

    MOOSE UTILITY

    $75.95
    A worn or damaged one-way clutch bearing will compromise your engine's ability to engage and disengage smoothly, leading to power loss and potential internal damage. The MOOSE UTILITY 11-912 is an OEM-equivalent replacement that restores the precise,...
    09240425
    SKU:
    09240425
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    PRODUCT NAME:
    BEARING
    APPLICATION:
    CLUTCH
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $75.95
    Qty in Cart: 0
    Quantity:
    Price:
    $75.95
    Subtotal:
  • HOT RODS Plain Bearing Crankshaft CRBPLKIT-6Y

    HOT RODS Plain Bearing Crankshaft CRBPLKIT-6Y

    HOT RODS

    $43.95
    A quality crankshaft rebuild demands equally rigorous main bearing and seal components—this kit delivers OE-equivalent performance without compromise. Whether you're restoring a Hot Rods stroker or refreshing an OEM crankshaft, these precision-engineered...
    09240411
    SKU:
    09240411
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    CRANKSHAFT
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    BEARING
    TYPE:
    PLAIN
    UNITS:
    PAIR
    $43.95
    Qty in Cart: 0
    Quantity:
    Price:
    $43.95
    Subtotal:
  • HOT RODS Plain Bearing Crankshaft CRBPLKIT-6G

    HOT RODS Plain Bearing Crankshaft CRBPLKIT-6G

    HOT RODS

    $41.95
    A crankshaft rebuild demands precision-engineered bearings and seals that can withstand extreme loads and maintain tight tolerances—this kit delivers exactly that. HOT RODS plain bearing kits are manufactured to OE or better standards, ensuring reliable...
    09240410
    SKU:
    09240410
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    PLAIN
    APPLICATION:
    CRANKSHAFT
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    BEARING
    UNITS:
    PAIR
    $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • HOT RODS Plain Bearing Crankshaft CRBPLKIT-6B

    HOT RODS Plain Bearing Crankshaft CRBPLKIT-6B

    HOT RODS

    $40.95
    A quality crankshaft rebuild starts with precision bearings and seals that can handle the loads of high-performance engines. Hot Rods bearing and seal kits are engineered to OE or better standards, ensuring reliability whether you're restoring a Hot Rods...
    09240409
    SKU:
    09240409
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TYPE:
    PLAIN
    UNITS:
    PAIR
    APPLICATION:
    CRANKSHAFT
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    BEARING
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • HOT RODS Crank Bearings K225

    HOT RODS Crank Bearings K225

    HOT RODS

    $121.95
    A crankshaft is only as reliable as the bearings supporting it, and inferior bearing kits are a common failure point in high-revving engines. The HOT RODS K225 main bearing and seal kit ensures precise tolerances and consistent oil pressure across all...
    09240042
    SKU:
    09240042
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    APPLICATION:
    MAIN CRANKSHAFT
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    ATV
    TYPE:
    BALL
    $121.95
    Qty in Cart: 0
    Quantity:
    Price:
    $121.95
    Subtotal:
  • HOT RODS Crank Bearings K023

    HOT RODS Crank Bearings K023

    HOT RODS

    $37.95
    A crankshaft is only as reliable as its bearings. The HOT RODS K023 bearing and seal kit ensures proper load distribution, reduced friction, and extended engine longevity—critical when you're pushing horsepower and RPMs to their limits. Whether you're...
    09240041
    SKU:
    09240041
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    RIDING STYLE:
    ATV
    APPLICATION:
    MAIN CRANKSHAFT
    PRODUCT NAME:
    BEARING
    TYPE:
    BALL
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • HOT RODS Crank Bearings K017

    HOT RODS Crank Bearings K017

    HOT RODS

    $115.95
    A crankshaft is only as reliable as the bearings that support it—and compromising on bearing quality is a direct path to catastrophic engine failure. HOT RODS K017 crank bearing kits deliver OEM-grade precision and durability, ensuring your crankshaft...
    09240040
    SKU:
    09240040
    Availability:
    Ships Same Business Day
    Weight:
    0.97 LBS
    APPLICATION:
    MAIN CRANKSHAFT
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    ATV
    TYPE:
    BALL
    $115.95
    Qty in Cart: 0
    Quantity:
    Price:
    $115.95
    Subtotal:
  • HOT RODS Crank Bearings K014

    HOT RODS Crank Bearings K014

    HOT RODS

    $138.95
    A crankshaft is only as reliable as its bearing surfaces. The HOT RODS K014 crank bearing kit delivers precision-engineered main bearings and seals that eliminate play, reduce friction, and maintain critical oil pressure throughout your engine's...
    09240038
    SKU:
    09240038
    Availability:
    Ships Same Business Day
    Weight:
    1.66 LBS
    APPLICATION:
    MAIN CRANKSHAFT
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    ATV
    TYPE:
    BALL
    UNITS:
    SET
    $138.95
    Qty in Cart: 0
    Quantity:
    Price:
    $138.95
    Subtotal:
  • HOT RODS Crank Bearings K013

    HOT RODS Crank Bearings K013

    HOT RODS

    $90.95
    A crankshaft is only as reliable as its bearing system. The HOT RODS K013 Crank Bearings are precision-engineered main bearing and seal kits designed to work seamlessly with HOT RODS crankshaft assemblies, ensuring proper load distribution, minimal...
    09240037
    SKU:
    09240037
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    PRODUCT NAME:
    BEARING
    TYPE:
    BALL
    RIDING STYLE:
    ATV
    APPLICATION:
    MAIN CRANKSHAFT
    UNITS:
    KIT
    $90.95
    Qty in Cart: 0
    Quantity:
    Price:
    $90.95
    Subtotal:
  • HOT RODS Connecting Rod 8716

    HOT RODS Connecting Rod 8716

    HOT RODS

    $203.95
    If you're building or rebuilding a high-RPM engine, your connecting rods are the critical link between power and reliability. The HOT RODS 8716 is engineered to handle sustained high-speed operation without compromise, combining OE compatibility with...
    09230582
    SKU:
    09230582
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    MATERIAL:
    8620 STEEL
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    CONNECTING ROD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $203.95
    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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER