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
- Wrench Rabbit Engine Kit Arctic Cat/Kawasaki/Suzuki WR101-061 – Complete rebuild kit with Vertex piston, gaskets, bearings, and seals; fits multiple 400-450cc models.
- Wiseco Engine Kit Blaster 1988-2006 PWR105-665 – Full kit for Yamaha Blaster; forged piston, gaskets, crank bearings, and seals for legendary 2-stroke power.
- Wrench Rabbit Engine Kit Polaris WR00054 – Vertex-based complete kit for Polaris 500/570; includes piston, bearings, gaskets, and seals.
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 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...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...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...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...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...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...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...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...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...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...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...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...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 -
Wrench Rabbit Engine Rebuild Kit Yamaha YFM660F Grizzly 4x4 2002-2008 WR101-212
WRENCH RABBIT
$1,249.95When engine wear compromises performance and reliability, a quality rebuild kit is your most cost-effective path to restoring full power and longevity. The Wrench Rabbit WR101-212 consolidates all...09031463- SKU:
- 09031463
- Availability:
- Ships Same Business Day
- Weight:
- 23.30 LBS
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- FEATURES:
- KIT CONTAINS +1 MM PISTON
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$1,249.95Qty in Cart: 0Quantity:Price:$1,249.95Subtotal: -
Wrench Rabbit Engine Rebuild Kit Yamaha YFM660R Raptor 2001-2005 WR101-213
WRENCH RABBIT
$1,315.95When your Yamaha YFM660R Raptor's engine shows signs of wear, a complete rebuild restores reliability and performance without replacing the entire powerplant. The Wrench Rabbit WR101-213 kit...09031464- SKU:
- 09031464
- Availability:
- Ships Same Business Day
- Weight:
- 22.80 LBS
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- FEATURES:
- KIT CONTAINS +0.5 MM PISTON
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$1,315.95 -
Wrench Rabbit Engine Rebuild Kit for 2004-2005 Honda TRX450R WR101-031
WRENCH RABBIT
$1,249.95When your Honda TRX450R's engine shows signs of wear—whether from high-mileage riding or track abuse—a full rebuild is the most cost-effective path to restoring reliability and performance. The...09030971- SKU:
- 09030971
- Availability:
- Ships Same Business Day
- Weight:
- 17.80 LBS
- FEATURES:
- STANDARD COMPRESSION PISTON
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
- TYPE:
- ENGINE
$1,249.95 -
Wrench Rabbit Engine Rebuild Kit for 2006-2009 Honda TRX450R WR101-032
WRENCH RABBIT
$1,315.95A complete engine rebuild requires precision-matched components that work in harmony—and the Wrench Rabbit Engine Rebuild Kit delivers exactly that. This comprehensive kit eliminates the guesswork of...09030972- SKU:
- 09030972
- Availability:
- Ships Same Business Day
- Weight:
- 17.40 LBS
- MODEL:
- WRENCH RABBIT
- ENGINE TYPE:
- 4-STROKE
- FEATURES:
- STANDARD COMPRESSION PISTON
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$1,315.95 -
Wrench Rabbit Complete Engine Rebuild Kit for 2005-2010 Polaris Sportsman 800 4x4 WR101-057
WRENCH RABBIT
$1,797.55When your Polaris Sportsman 800 shows signs of wear—rough idle, loss of power, or bearing play—a complete engine rebuild is the most cost-effective path to restoration. The Wrench Rabbit Complete...09030995- SKU:
- 09030995
- Availability:
- Ships Same Business Day
- Weight:
- 27.60 LBS
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- FEATURES:
- STANDARD COMPRESSION PISTON
- RIDING STYLE:
- ATV
- MODEL:
- WRENCH RABBIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- TYPE:
- ENGINE
$1,797.55 -
Wrench Rabbit Complete Engine Rebuild Kit for Suzuki LT-R450 QuadRacer 2006-2008 WR101-059
WRENCH RABBIT
$1,211.95When your Suzuki LT-R450 QuadRacer's engine reaches the end of its service life, a complete rebuild kit eliminates the guesswork of sourcing individual components and ensures every critical surface...09030997- SKU:
- 09030997
- Availability:
- Ships Same Business Day
- Weight:
- 16.90 LBS
- UNITS:
- KIT
- TYPE:
- ENGINE
- FEATURES:
- STANDARD COMPRESSION PISTON
- RIDING STYLE:
- ATV
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- WRENCH RABBIT
- PRODUCT NAME:
- REBUILD KIT
$1,211.95 -
Wrench Rabbit Engine Rebuild Kit for 2004 Arctic Cat DVX 400 WR101-060
WRENCH RABBIT
$1,132.95When your 2004 Arctic Cat DVX 400's engine reaches the end of its service life, a quality rebuild kit saves you from sourcing individual components and risking compatibility issues. The Wrench Rabbit...09030998- SKU:
- 09030998
- Availability:
- Ships Same Business Day
- Weight:
- 16.35 LBS
- FEATURES:
- STANDARD COMPRESSION PISTON
- TYPE:
- ENGINE
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- WRENCH RABBIT
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
$1,132.95 -
WSM Top-End Rebuild Kit - Standard 54-300-10P
WSM
$134.56A top-end rebuild demands precision components that restore your engine to factory specifications—or better. The WSM Standard 54-300-10P kit consolidates everything you need for a complete...5430010- SKU:
- 5430010
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- PISTON MATERIAL:
- ALUMINUM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON SIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$134.56Qty in Cart: 0Quantity:Price:$134.56Subtotal:
