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
- MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU – Durable seal for clutch cover protection.
- WINDEROSA Standard Bore Gasket Kit 810585 – Complete kit for engine sealing and rebuilds.
- WORKS CONNECTION Engine Timing Plug 24-590 – Precision plug for accurate timing adjustments.
- MOOSE RACING Connecting Rod MR5026 – High-strength rod for engine durability.
- MOOSE RACING Water Pump Rebuild Kit 821865 – Comprehensive kit for water pump maintenance.
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
-
Wrench Rabbit Engine Rebuild Kit for Kawasaki KRF750 Teryx FI 4x4 2012 WR101-184
WRENCH RABBIT
$1,711.95The Wrench Rabbit Engine Rebuild Kit WR101-184 gives you everything needed to restore your Kawasaki KRF750 Teryx FI 4x4 to factory specifications or better—without hunting down individual components or risking incompatibility issues. Whether you're...09031441- SKU:
- 09031441
- Availability:
- Ships Same Business Day
- Weight:
- 24.70 LBS
- FEATURES:
- STANDARD COMPRESSION PISTON
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- WRENCH RABBIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$1,711.95 -
Wrench Rabbit Engine Rebuild Kit for Polaris Ranger 800 2011-2014 WR101-185
WRENCH RABBIT
$1,579.95When your Polaris Ranger 800 engine shows signs of wear—loss of compression, metal fatigue, or reduced power output—a full rebuild is the most cost-effective path to restoring OEM performance. The Wrench Rabbit WR101-185 kit consolidates everything you...09031442- SKU:
- 09031442
- Availability:
- Ships Same Business Day
- Weight:
- 27.35 LBS
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- KIT
- MODEL:
- WRENCH RABBIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- FEATURES:
- STANDARD COMPRESSION PISTON
- RIDING STYLE:
- UTV
$1,579.95 -
Wrench Rabbit Engine Rebuild Kit Honda TRX400 Sportrax 1999-2004 WR101-192
WRENCH RABBIT
$867.95When your Honda TRX400 Sportrax's engine is showing wear, a complete rebuild is the only way to restore reliability and performance without compromises. The Wrench Rabbit WR101-192 kit eliminates the guesswork by bundling OEM-quality components from...09031443- SKU:
- 09031443
- Availability:
- Ships Same Business Day
- Weight:
- 17.75 LBS
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- MODEL:
- WRENCH RABBIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- UNITS:
- KIT
- FEATURES:
- STANDARD COMPRESSION PISTON
$867.95 -
Wrench Rabbit Engine Rebuild Kit for Honda TRX400EX 1999-2004 WR101-193
WRENCH RABBIT
$895.95When your Honda TRX400EX engine has logged serious hours, a complete rebuild is the only way to restore factory performance and reliability. This Wrench Rabbit kit eliminates the guesswork by bundling every critical internal component you'll need—piston,...09031444- SKU:
- 09031444
- Availability:
- Ships Same Business Day
- Weight:
- 17.50 LBS
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- REBUILD KIT
- FEATURES:
- KIT CONTAINS +1 MM PISTON
- TYPE:
- ENGINE
$895.95 -
Wrench Rabbit Engine Rebuild Kit for Honda TRX400EX 1999-2004 WR101-194
WRENCH RABBIT
$867.95When your TRX400EX has logged serious hours, an engine rebuild restores lost compression, eliminates bearing wear, and returns your quad to factory performance specs. The Wrench Rabbit WR101-194 is a complete, factory-engineered kit that eliminates the...09031445- SKU:
- 09031445
- Availability:
- Ships Same Business Day
- Weight:
- 17.40 LBS
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- FEATURES:
- KIT CONTAINS +2 MM PISTON KIT
$867.95 -
Wrench Rabbit Engine Rebuild Kit for Honda TRX400EX 2005-2008 WR101-196
WRENCH RABBIT
$895.95When your TRX400EX's engine reaches the end of its service life, a complete rebuild using quality components is the only way to restore reliability and performance. The Wrench Rabbit WR101-196 delivers everything you need in one kit—pistons, crankshaft,...09031447- SKU:
- 09031447
- Availability:
- Ships Same Business Day
- Weight:
- 17.55 LBS
- TYPE:
- ENGINE
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- FEATURES:
- STANDARD COMPRESSION PISTON
- PRODUCT NAME:
- REBUILD KIT
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
$895.95 -
Wrench Rabbit Engine Rebuild Kit for 2001-2004 Kawasaki KX85 WR101-109
WRENCH RABBIT
$867.95A two-stroke engine rebuild demands precision components and complete coverage—missed seals and worn bearings are common failure points that compromise performance and longevity. The Wrench Rabbit WR101-198 kit eliminates guesswork by bundling...09031449- SKU:
- 09031449
- Availability:
- Ships Same Business Day
- Weight:
- 17.55 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
- FEATURES:
- KIT CONTAINS +2 MM PISTON KIT
- UNITS:
- KIT
$867.95 -
Wrench Rabbit Engine Rebuild Kit Honda TRX400EX 2005-2008 WR101-199
WRENCH RABBIT
$725.95When your Honda TRX400EX engine shows signs of wear—loss of compression, increased blow-by, or rough running—a complete rebuild is the most cost-effective path to restored reliability and performance. The Wrench Rabbit WR101-199 kit consolidates all the...09031450- SKU:
- 09031450
- Availability:
- Ships Same Business Day
- Weight:
- 17.55 LBS
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
- FEATURES:
- KIT CONTAINS +3 MM PISTON
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$725.95 -
Wrench Rabbit Complete Engine Rebuild Kit for Yamaha YFS200 Blaster 1988-2006 WR101-200
WRENCH RABBIT
$788.95When your Yamaha YFS200 Blaster reaches the point where a rebuild is necessary, settling for a partial solution wastes time and money. The Wrench Rabbit WR101-200 eliminates guesswork by bundling every critical component—pistons, crank, bearings, seals,...09031451- SKU:
- 09031451
- Availability:
- Ships Same Business Day
- Weight:
- 11.20 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- FEATURES:
- KIT CONTAINS +0.5 MM PISTON
- RIDING STYLE:
- ATV
- TYPE:
- ENGINE
$788.95 -
Wrench Rabbit Engine Rebuild Kit for Yamaha YFS200 Blaster 1988-2006 WR101-201
WRENCH RABBIT
$788.95When your Yamaha YFS200 Blaster shows signs of wear—loss of compression, rough idle, or metal debris in the oil—a full engine rebuild is your most cost-effective path to reliability. The Wrench Rabbit WR101-201 eliminates guesswork by bundling...09031452- SKU:
- 09031452
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
- FEATURES:
- KIT CONTAINS +1 MM PISTON
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$788.95Qty in Cart: 0Quantity:Price:$788.95Subtotal: -
Wrench Rabbit Complete Engine Rebuild Kit for 2010-2019 Honda CRF150R WR101-202
WRENCH RABBIT
$788.95When your CRF150R's engine reaches the end of its service life, a quality rebuild kit makes the difference between a backyard gamble and a reliable restoration. The Wrench Rabbit WR101-202 consolidates every critical component into one comprehensive...09031453- SKU:
- 09031453
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
- FEATURES:
- KIT CONTAINS +1.5 MM PISTON KIT
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
$788.95 -
Wrench Rabbit Engine Rebuild Kit Yamaha YFS200 Blaster 1988-2006 WR101-203
WRENCH RABBIT
$788.95When your Yamaha YFS200 Blaster's engine shows signs of wear—loss of compression, increased blow-by, or worn bearings—a full rebuild is the most cost-effective path to restoring reliability and performance. The Wrench Rabbit WR101-203 eliminates...09031454- SKU:
- 09031454
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
- FEATURES:
- KIT CONTAINS +2 MM PISTON KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$788.95 -
Wrench Rabbit Engine Rebuild Kit Yamaha YFZ350 Banshee 1987-2005 WR101-204
WRENCH RABBIT
$1,249.95Two-stroke engines demand precision rebuild components to maintain peak performance and reliability. The Wrench Rabbit WR101-204 kit consolidates every critical internal component—from pistons to bearings to gaskets—into a single, professionally-curated...09031455- SKU:
- 09031455
- Availability:
- Ships Same Business Day
- Weight:
- 20.25 LBS
- FEATURES:
- KIT CONTAINS +0.5 MM PISTON
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- TYPE:
- ENGINE
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
$1,249.95 -
Wrench Rabbit Engine Rebuild Kit for Yamaha YFZ350 Banshee 1987-2006 WR101-205
WRENCH RABBIT
$1,249.95A complete engine rebuild demands precision components that work together seamlessly—this Wrench Rabbit kit eliminates the guesswork by bundling everything you need to restore your YFZ350 Banshee to factory specifications or beyond. Whether you're...09031456- SKU:
- 09031456
- Availability:
- Ships Same Business Day
- Weight:
- 20.10 LBS
- FEATURES:
- KIT CONTAINS +1 MM PISTON
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$1,249.95Qty in Cart: 0Quantity:Price:$1,249.95Subtotal: -
Wrench Rabbit Engine Rebuild Kit for 2005-2007 Honda CR250R WR101-206
WRENCH RABBIT
$1,249.95A two-stroke engine rebuild demands precision components and complete coverage—this kit delivers both. The Wrench Rabbit WR101-206 bundles OEM-quality pistons, crankshaft, bearings, and gaskets into one comprehensive solution, eliminating guesswork and...09031457- SKU:
- 09031457
- Availability:
- Ships Same Business Day
- Weight:
- 20.25 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
- FEATURES:
- KIT CONTAINS +1.5 MM PISTON KIT
- UNITS:
- KIT
$1,249.95 -
Wrench Rabbit Engine Rebuild Kit Yamaha YFZ350 Banshee 1987-2005 WR101-207
WRENCH RABBIT
$1,249.95When your two-stroke engine has logged serious miles, a complete rebuild with OEM-quality components is the only way to restore full power and reliability. The Wrench Rabbit WR101-207 kit eliminates guesswork by bundling all the critical internal...09031458- SKU:
- 09031458
- Availability:
- Ships Same Business Day
- Weight:
- 20.25 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- FEATURES:
- KIT CONTAINS +2 MM PISTON KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
$1,249.95Qty in Cart: 0Quantity:Price:$1,249.95Subtotal: -
WRENCH RABBIT Engine Rebuild Kit WR101-208
WRENCH RABBIT
$895.95A complete engine rebuild demands precision, quality components, and meticulous attention to every bearing, seal, and gasket—mistakes compound quickly and cost you time and money. The WRENCH RABBIT WR101-208 eliminates guesswork by bundling OEM-grade...09031459- SKU:
- 09031459
- Availability:
- Ships Same Business Day
- Weight:
- 18.60 LBS
- TYPE:
- ENGINE
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- FEATURES:
- STANDARD COMPRESSION PISTON
- PRODUCT NAME:
- REBUILD KIT
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
$895.95 -
Wrench Rabbit Engine Rebuild Kit Yamaha YFM350X Warrior 1987-2004 WR101-209
WRENCH RABBIT
$920.95When your Yamaha YFM350X Warrior's engine shows signs of wear—loss of compression, bearing play, or cooling issues—a full rebuild is the only way to restore peak performance and reliability. The Wrench Rabbit WR101-209 kit eliminates the guesswork by...09031460- SKU:
- 09031460
- Availability:
- Ships Same Business Day
- Weight:
- 18.70 LBS
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- MODEL:
- WRENCH RABBIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- UNITS:
- KIT
- FEATURES:
- KIT CONTAINS +0.5 MM PISTON
$920.95 -
Wrench Rabbit Engine Rebuild Kit for Yamaha YFM350X Warrior 1987-2004 WR101-210
WRENCH RABBIT
$895.95Engine wear and internal damage compromise reliability and performance on the track or trail. The Wrench Rabbit WR101-210 delivers a complete, OEM-quality rebuild solution for Yamaha YFM350X Warriors, eliminating guesswork and ensuring your engine runs...09031461- SKU:
- 09031461
- Availability:
- Ships Same Business Day
- Weight:
- 18.90 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- FEATURES:
- KIT CONTAINS +1 MM PISTON
- MODEL:
- WRENCH RABBIT
- TYPE:
- ENGINE
$895.95Qty in Cart: 0Quantity:Price:$895.95Subtotal: -
Wrench Rabbit Engine Rebuild Kit for Yamaha YFM660F Grizzly 4x4 2002-2008 WR101-211
WRENCH RABBIT
$1,288.95When your Yamaha YFM660F Grizzly's engine shows signs of wear—whether it's loss of compression, bearing play, or general performance degradation—a complete rebuild is the most cost-effective path to restored reliability. This Wrench Rabbit kit eliminates...09031462- SKU:
- 09031462
- Availability:
- Ships Same Business Day
- Weight:
- 23.55 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 4-STROKE
- FEATURES:
- KIT CONTAINS +0.5 MM PISTON
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- KIT
$1,288.95
