Free Shipping.

Expert Service.

Call 888-575-6570

Wrench Rabbit Complete Engine Rebuild Kit


  • Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild
  • Vertex piston kit, includes standard compression piston (unless noted), rings, pin and clips
  • Hot Rods heavy duty crank (stock stroke, includes wrist pin bearing for two strokes)
  • Hot Rods main bearing/seal kit
  • Hot Rods transmission bearing kit (includes transmission bearings, output shaft collar and sprocket lock washer)
  • Hot Rods counter balancer bearing kit
  • Hot Rods water pump bearing and seal kit
  • Vertex complete gaskets kit, including seals and O-ring kit (covers top and bottom)
Specification Details
Bore Varies (make selection above)
Size Over Standard Varies (make selection above)

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Arctic Cat
  • DVX 400 2004-2008
Honda
  • CR125R 1990-2007
  • CR250R 2-Stroke 1992-2007
  • CR500R 1988-2001
  • CR80R 1992-2002
  • CR80RB Expert 1996-2002
  • CR85R 2003-2007
  • CR85RB Expert 2003-2007
  • CRF150R 2007-2009, 2013-2016
  • CRF150R Expert 2007-2009, 2016
  • CRF250R 4-Stroke 2004-2017
  • CRF250X 4-Stroke 2004-2009, 2012-2016
  • CRF450R 2002-2018
  • CRF450RX 2017-2018
  • CRF450X 2005-2009, 2012-2016
  • TRX250EX Sportrax 250 2x4 2003-2008
  • TRX250TE FourTrax Recon 2x4 ES 2002-2014, 2016-2019
  • TRX250TM FourTrax Recon 2x4 2002-2014, 2016-2019
  • TRX250X Sportrax 250X 2009-2014, 2016-2019
  • TRX350FE FourTrax Rancher ES 4x4 2000-2006
  • TRX350FM FourTrax Rancher 4x4 2000-2006
  • TRX350TE FourTrax Rancher ES 2x4 2000-2006
  • TRX350TM FourTrax Rancher 2x4 2000-2006
  • TRX400EX FourTrax 400EX 1999
  • TRX400EX Sportrax 400EX 2000-2008
  • TRX400X Sportrax 400X 2009-2014
  • TRX420FE FourTrax Rancher ES 4x4 2012-2013
  • TRX420FM FourTrax Rancher 4x4 2012-2013
  • TRX420FPE FourTrax Rancher ES 4x4 EPS 2012-2013
  • TRX420FPM FourTrax Rancher 4x4 EPS 2012-2013
  • TRX420TE FourTrax Rancher ES 2x4 2012-2013
  • TRX420TM FourTrax Rancher 2x4 2012-2013
  • TRX450ER Sportrax 450ER 2006-2014
  • TRX450R Sportrax 450R 2004-2009
  • TRX500FE FourTrax Foreman ES 4x4 2005-2013
  • TRX500FM FourTrax Foreman 4x4 2005-2013
  • TRX500FPA FourTrax Foreman Rubicon EPS 2012-2013
  • TRX500FPE FourTrax Foreman ES 4x4 EPS 2012-2013
  • TRX500FPM FourTrax Foreman 4x4 EPS 2012-2013
  • TRX500TM FourTrax Foreman 2x4 2005-2006
Husqvarna
  • FC 250 2014-2015
  • TC 125 2014-2015
  • TC 250 2014-2015
  • TE 300 2014-2016
KTM
  • 105 SX 2004, 2006-2011
  • 105 XC 2008-2009
  • 125 SX 2001-2015
  • 144 SX 2007-2008
  • 150 SX 2009-2015
  • 150 XC 2010-2014
  • 200 EXC 1998-2005
  • 200 SX 2003-2004
  • 200 XC 2006-2009
  • 200 XC-W 2006-2016
  • 250 SX 2003-2004, 2007-2015
  • 250 SX-F 2005-2008, 2011-2015
  • 250 XC 2007-2014
  • 250 XC-F 2007-2008, 2011-2015
  • 250 XC-W 2007-2014
  • 250 XCF-W 2007-2008, 2012-2013
  • 300 EXC 2004-2005, 2015
  • 300 XC 2006-2014
  • 300 XC-W 2006-2014
  • 50 SX 2006-2020
  • 50 SX Pro Junior LC 2004-2005
  • 50 SX Pro Senior LC 2004-2005
  • 65 SX 2003-2016
  • 65 XC 2009
  • 85 SX 2003-2016
Kawasaki
  • Brute Force 750 4x4i 2005-2016
  • Brute Force 750 4x4i EPS 2013-2014
  • KFX400 2003-2006
  • KFX450R 2008-2014
  • KLX400R 2003-2004
  • KLX450R 2008-2009
  • KX100 1995-2009, 2011-2020
  • KX125 2003-2005
  • KX250 2-Stroke 1992-2005
  • KX250F 4-Stroke 2004-2016
  • KX450F 2007-2015
  • KX60 1985-1988, 1990-2003
  • KX65 2000-2020
  • KX80 1991-2000
  • KX85 2001-2024
  • Teryx 750 4x4 2008-2013
Polaris
  • ACE 900 SP 2016
  • ACE 900 XC 2017-2019
  • ATP 500 4x4 2004-2005
  • General 1000 2016-2017
  • RZR 4 900 2014-2017
  • RZR 800 2008-2009, 2011-2014
  • RZR 900 2014-2019
  • RZR S 800 2009
  • RZR XP 1000 2014-2019
  • RZR XP 4 1000 2014-2015, 2017-2019
  • RZR XP 4 900 2012-2013
  • RZR XP 900 2011-2013
  • Ranger 500 4x4 2006
  • Ranger 500 4x4 EFI 2006
  • Ranger 700 4x4 2007-2009
  • Ranger 700 6x6 2007-2009
  • Ranger 800 2010-2011, 2013-2014
  • Ranger 800 6x6 2010, 2012-2016
  • Ranger Crew 700 2008-2009
  • Ranger Crew 900 2014-2016
  • Ranger Crew XP 900 2017-2019
  • Ranger XP 1000 2019
  • Ranger XP 700 2005-2006
  • Ranger XP 900 2013-2019
  • Scrambler 500 2x4 2007-2008
  • Scrambler 500 4x4 2003-2012
  • Scrambler 850 2015-2018
  • Sportsman 500 EFI 2009
  • Sportsman 500 Forest Tractor 2011-2013
  • Sportsman 500 H.O. 2003, 2005-2013
  • Sportsman 700 2005-2006
  • Sportsman 700 EFI 2005-2007
  • Sportsman 800 EFI 2006-2014
  • Sportsman 850 Forest Tractor 2013
  • Sportsman 850 SP 2015-2018
  • Sportsman Touring 500 2008-2009
  • Sportsman Touring 850 2010-2014
  • Sportsman Touring 850 SP 2015-2018
  • Sportsman X2 500 2006-2009
  • Sportsman X2 700 2008
  • Sportsman XP 850 2009-2013
  • Sportsman XP 850 H.O. 2013
Suzuki
  • DR-Z400 2000-2004
  • DR-Z400S 2005-2009, 2011-2020
  • DR-Z400SM 2005-2009, 2013-2020
  • LT-R450 QuadRacer 450 2006-2009
  • LT-Z400 QuadSport 400 2003-2014
  • RM-Z250 2004-2015
  • RM-Z450 2008-2014
  • RM100 2003
  • RM125 2001-2007
  • RM250 2003-2008
  • RM60 2003
  • RM65 2003-2005
  • RM85 2002-2010, 2012, 2015-2020
Yamaha
  • Blaster 2x4 1988-2006
  • Grizzly 660 4x4 2002-2008
  • Grizzly 700 4x4 2007-2013
  • Raptor 350 2005-2013
  • Raptor 660R 2001-2005
  • Raptor 700 2013, 2015-2020
  • Raptor 700R 2006-2023
  • Rhino 660 4x4 2004-2007
  • Rhino 700 FI 4x4 2008-2009, 2011-2013
  • WR250F 2003-2013
  • WR450F 2004-2006
  • YFM350X Warrior 1987-2004
  • YFZ350 Banshee 1987-2006
  • YFZ450 ATV 2004-2009
  • YFZ450R ATV 2009-2023
  • YFZ450X ATV 2010-2011
  • YZ125 1998-2021
  • YZ125X 2020-2021
  • YZ250 2-Stroke 1999-2021
  • YZ250F 4-Stroke 2003-2018
  • YZ250X 2-Stroke 2016-2020
  • YZ450F 2003-2017
  • YZ80 1993-2001
  • YZ85 2002-2018

Customer Reviews

Write Review

Engine rebuild kit

By   on  Verified Purchaser

It has almost everything in the kit other than the copper washers other than that very happy. Gaskets bearings, O-rings quality crank piston and rings pin and clips.


Rebuilt warrior

By   on 

Bought the kit about 3 years ago, my warrior still runs strong best kit you'll find out there, recommend it


One box shopping.

By   on  Verified Purchaser

Everything I would need for a complete motor rebuild.


Top of the line

By   on  Verified Purchaser

Everything they say, it is top of the line.


Great kit!

By   on  Verified Purchaser

Great kit! Rebuilt my yz125 with it. Nice to have everything in one package.


Great kit

By   on  Verified Purchaser

Great kit with everything you need and great quality.


Wrench Rabbit complete engine rebuild kit. 2011 KTM 250 xcw

By   on  Verified Purchaser

Great service as always! Kit is definitely worth the price for everything you get, seems to be good quality stuff!


In stock, good price, and good shipping time!

By   on  Verified Purchaser

I've used wrench rabbit before, for the most part it has everything you need besides a cylinder but most of the time you shouldn't need one. But my normal parts supplier was out of these kits for my 450x and these guys had them, it was just a little more expensive but its because I've got a dealer account with the other place, but i got it in a good amount of time and was happy with everything!


Great Buy!

By   on  Verified Purchaser

Exactly what should be in package was there. Fit perfect.


Wrench Rabbit Rebuild Kit

By   on  Verified Purchaser

I received my parts in just a couple days, everything I needed was in the kit. No fuss, no complaints, would recommend to anyone.


So far so good.

By   on  Verified Purchaser

First ever Wrench Rabbit kit and zero issues. Had extra seals and o-rings that i couldn't figure out but eventually I discovered the water pump is covered twice as they add a WP kit to the kit, not sure why. I usually go with a factory rebuilt crank but was short on time. We shall see how long this one lasts.


How many stars would you give this product? Write a review.

Write Review

Questions & Answers

Ask Question

Need a complete kit for a 2019 sportsman 850, will this fit?

Would this kit work for a 2019 or only until 2018? If so do you have anything for the 2019?

Yes, if you were to select the 2019 Sportsman 850 engine rebuild kit from our fit guide, you'd get everything you need to service your machine!

By Tom
Answer Question

Will this fit a 1995 cr125?

Yes, so long as you select 1995 Honda CR125R before adding to your cart, you would receive the correct kit to fit that bikes engine.

By Andy
Answer Question

Do I need to balance the crank?

No need to, as it is ready to be installed right out of the box.

By Andy
Answer Question

getting this for a honda trx400ex. is this a good kit to get?

Yes, this is going to be one of the most cost effective, high quality way to go for getting all the parts you need to perform a full rebuild on your machine.

By Andy
Answer Question

Does the vortex piston come with diagram of how the rings go ?

Yes, there would be a diagram included of how to install the rings.

By Andy
Answer Question

I have a 2008 Polaris ranger rzr 800 efi will this fit?

Yes, just be sure to choose that 2008 Polaris RZR 800 and you will get the correct kit.

By Andy
Answer Question

Hi I have a 2000 KX 250 2 stroke and I was wondering if the Wrench Rabbit Complete Engine Rebuild Kit would work on my bike?

Item # 384402

Yes, if you were to select the 2000 Kawasaki KX250 2-Stroke complete engine rebuild kit from our fit guide, you'd receive everything you need to service your motorcycle. These kits come with all the components needed to get your engine in tip-top shape!

By Staff
Answer Question

Have a question? Please ask our experts and customers who own this product.

Ask Question