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The 8 Best powersports crank shafts of 2025

Are you trying to find powersports crank shafts among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling powersports crank shafts on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 15 hours of research and did 28 powersports crank shafts tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best powersports crank shafts you can buy today

No. 1
All Balls Racing Crank Shaft Seal Kit 24-2022 Compatible With/Replacement For Yamaha YZ80 1980-2001, YZ85 2002-2018
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Yamaha YZ80 1980 - 2001, YZ85 2002 - 2018
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
No. 2
Crank Cam Shaft Locking Tool Kit Compatible with Sea-Doo 4-Tec GTX RXP RXT GTR GTI 1503 4TECs Seadoo Boat Pusher Removal Install Tool Steering and Reverse Cable Lock Nut 2 Pcs
  • CAM CRANKSHAFT LOCKING TOOL KIT: Cam and crank shaft locking tool kit is made of high-quality materials, which is not easy to deform and bend. Cam crankshaft locking tool kit has undergone rigorous factory testing to meet your usage needs.
  • COMPATIBLE MODELS: Cam and crank shaft locking tool kit for Sea-Doo 4TECs. OEM part numbers are 529035821, 529035839. Crank cam shaft locking tool kit compatible with Sea-Doo 4-Tec GTX RXP RXT GTR GTI 1503. Please check carefully whether the crank and cam shaft locking tool kit matches your equipment before ordering.
  • EASY INSTALLATION: Crank and cam shaft locking tool kit compatible with Sea-Doo is easy to install. When you understand the construction of your beloved water performance boat, you can quickly, accurately and safely remove and install the Crank and cam shaft locking tool kit, saving unnecessary replacement steps.
  • SAFE DRIVING: Cam and crank shaft locking tool kit is designed to fit the original location. Cam and crank shaft locking tool kit is used to lock or position the engine shaft during belt replacement or engine repair. Regular inspections and maintenance cam crankshaft locking tool kit will help maintain the maintenance of your jet ski.
  • INTIMATE SERVICE: If you have any questions when using the cam and crankshaft locking tool kit, please feel free to contact us, we will answer the difficulties you encounter when using the cam and crankshaft locking tool kit, so that you can quickly replace the crank and crankshaft locking tool kit.
SaleNo. 3
All Balls Racing 24-2041 Crank Shaft Seal Kit Compatible with/Replacement For Polaris 350 L 2x4 1993, 350 L 4x4 1993, 400 L 2x4 1994-1995, 400 L 4x4 1994, Scrambler 400 2x4 2000-2002
30 Consomer Reviews
All Balls Racing 24-2041 Crank Shaft Seal Kit Compatible with/Replacement For Polaris 350 L 2x4 1993, 350 L 4x4 1993, 400 L 2x4 1994-1995, 400 L 4x4 1994, Scrambler 400 2x4 2000-2002
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Polaris 350L 2x4 1993, 350L 4x4 1993, 400L 2x4 1994 - 1995, 400L 4x4 1994, Scrambler 400 2x4 2000 - 2002, Scrambler 400 4x4 1995 - 2002, Sport 400 1994 - 1999, Sportsman 350 4x4 1993, Sportsman 400 4x4 1994 - 1997, Trail Boss 350L 2x4 1990 - 1992, Trail Boss 350L 4x4 1990 - 1992, Xplorer 400L 4x4 1995 - 2002, Xpress 400L 2x4 1996 - 1997
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
No. 4
All Balls Racing Crank Shaft Seal Kit 24-2039 Compatible With/Replacement For Polaris 300 2x4, 300 4x4 1994-95, Trail Blazer 250 1993-2006, Trail Boss 250 2x4 1993-1999, Trail Boss 250 4x4 1993, 1995
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Polaris 300 2x4 1994 - 1995, 300 4x4 1994 - 1995, Trail Blazer 250 1993 - 2006, Trail Boss 250 2x4 1993 - 1999, Trail Boss 250 4x4 1993 - 1995, Xplorer 250 4x4 2000 - 2002, Xplorer 300 4x4 1996 - 1999, Xpress 300 1996 - 1999
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
SaleNo. 5
All Balls Racing Crank Shaft Seal Kit 24-2023 Compatible With/Replacement For Yamaha DT250 1975-1979, DT400 1975-1978, IT250 1977-1983, IT400 1976-1979, IT425 1980, IT465 1981-1982
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Yamaha DT250 1975 - 1979, DT400 1975 - 1978, IT250 1977 - 1983, IT400 1976 - 1979, IT425 1980, IT465 1981 - 1982, IT490 1983 - 1984, MX250 1975, MX400 1975, TY250 1974 - 1977, WR500 1992 - 1993, YZ250 1976 - 1987, YZ400 1976 - 1979, YZ465 1980 - 1981, YZ490 1982 - 1990
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
No. 6
All Balls Racing Crank Shaft Seal Kit 24-2011 Compatible With/Replacement For Honda CR250R 1992-2007
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear.
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Honda CR250R 1992 - 2007
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
No. 8
Motion Pro Crank Shaft Puller
  • Motion Pro Crank Shaft Puller
SaleNo. 9
All Balls Racing 24-1016 Crank Shaft Bearing Kit Compatible with/Replacement for RM125 Suzuki 89-08
  • Specs: Crank Shaft Bearing Kit, Contains: 2 Engine Bearings, 2 Seals
  • Designed as a direct replacement for the OEM design
  • Compatible With/Replacement For: Suzuki RM125 1989 - 2008
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Bearing Kit built to meet OEM specifications
No. 11
All Balls Racing Crank Shaft Seal Kit 24-2007 Compatible With/Replacement For Honda CR80R 1985-2002, CR80RB 1996-2002, CR85R 2003-2007
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Honda CR80R 1985 - 2002, CR80RB 1996 - 2002, CR85R 2003 - 2007, CR85RB 2003 - 2007
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
SaleNo. 12
All Balls Racing 24-2035 Crank Shaft Seal Kit Compatible with/Replacement For Suzuki RM 125 1989-2008, RM 80 1989-2001
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Suzuki RM125 1989 - 2008, RM80 1989 - 2001, RM85 2002 - 2017, RM85L 2003 - 2016
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
SaleNo. 13
All Balls Racing 24-1097 Crank Shaft Bearing Kit Compatible with/Replacement for KTM EGS EXC 125 200 SX XC, Others
  • Specs: Crank Shaft Bearing Kit, Contains: 2 Engine Bearings, 2 O'Rings, 2 Seals
  • Designed as a direct replacement for the OEM design
  • Compatible With/Replacement For: Husqvarna TC 125 2014 - 2019, TE 125 2015 - 2016, TE 150 2017 - 2019, KTM EGS 125 1998 - 1999, EGS 200 1998 - 1999, EXC 125 1998 - 2009, EXC 200 1998 - 2005, EXE 125 2000 - 2001, MXC 200 1998 - 2003, SX 125 1998 - 2019, SX 144 2007 - 2008, SX 150 2009 - 2019, SX 200 2000 - 2004, SXS 125 2004, XC 150 2010 - 2014, XC 200 2006
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Bearing Kit built to meet OEM specifications
No. 14
All Balls Racing 24-2031 Crank Shaft Seal Kit Compatible with/Replacement For Kawasaki KDX 200 1991-2006, KDX 220 1997-2005
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Kawasaki KDX200 1991 - 2006, KDX220 1997 - 2005
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
No. 15
All Balls Racing 24-2040 Crank Shaft Seal Kit Compatible with/Replacement For Polaris Cyclone 250 X 2x4 1987, Trail Boss 250 R/ES 1988, Trail Boss 250 4x4 1987-1992, Trail Boss 250 2x4 1985-1992
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Polaris Cyclone 250 1987, Scrambler 250 1985 - 1986, Trail Blazer 250 1990 - 1992, Trail Boss 250 1988, Trail Boss 250 2x4 1985 - 1992, Trail Boss 250 4x4 1987 - 1992, Trail Boss 250 R/ES 1988
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
SaleNo. 16
All Balls Racing 24-1008 Crank Shaft Bearing Kit Compatible with/Replacement for Kawasaki KX125 88-05
  • Specs: Crank Shaft Bearing Kit, Contains: 2 Engine Bearings, 2 Seals
  • Designed as a direct replacement for the OEM design
  • Compatible With/Replacement For: Kawasaki KX125 1988 - 2005
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Bearing Kit built to meet OEM specifications
SaleNo. 17
All Balls Racing 24-1043 Crank Shaft Bearing Kit Compatible with/Replacement for YFS200 Yamaha Blaster 1988-2006
  • Contains: 2 Engine Bearings, 2 Seals
  • Designed as a direct replacement for the OEM design
  • 1-year warranty protects you after your purchase warranty protects you after your purchase protects you after your purchase
SaleNo. 18
All Balls Racing Crank Shaft Seal Kit 24-2034 Compatible With/Replacement For Honda ATC250R 1985-1986, TRX250R 1986-1989
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Honda ATC250R 1985 - 1986, TRX250R 1986 - 1989
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
No. 19
All Balls Racing 24-2033 Crank Shaft Seal Kit Compatible with/Replacement For Kawasaki KDX 80 1982-1988, KX 85 2001-2017, KX 125 1982-1987, KX 100 1995-2017, KX 60 1985-2003, KX 65 2000-2017
  • Specs: Crank Shaft Seal Kit, Double lip seals with PTFE contact area tolerate dry start conditions with less crankshaft pin wear
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Kawasaki KDX80 1982 - 1988, KX100 1995 - 2019, KX125 1982 - 1987, KX60 1985 - 2003, KX65 2000 - 2019, KX80 1981 - 2000, KX80 Big Wheel 1992 - 1994, KX85 2001 - 2019, KX85 Big Wheel 2001 - 2018, Suzuki RM100 2003, Yamaha YZ65 2018, YZ85 2019
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you. Contact us for a replacement.
  • 100% New aftermarket Crank Shaft Seal Kit built to meet OEM specifications
No. 20
BossBearing Crank Shaft Seal Kit for Polaris Trail Boss 250 2x4 1985 1986 1987 1988 1989 1990 1991 1992
  • EVERYTHING YOU NEED: This kit contains 2 Rubber Engine Seals for your Polaris! Equivalent to: All Balls 24-2040
  • HIGH QUALITY PARTS: BossBearing sells parts that meets or exceeds OEM standards. Our crank seals feature a sealing lip which is designed to reduce crank pin wear
  • PLAY MORE & SPEND LESS: BossBearing has the replacement parts you need to keep your ATV, UTV, Dirt Bike, Street Bike and Snowmobile out of the garage and back in the action. Our kits save you money and time by giving you all the parts you need to repair or upgrade your ride at one place
  • PEACE OF MIND: Every BossBearing product comes with a 1-year warranty that protects you after your purchase. We are confident that our products will work once installed in your vehicle. But in a rare case that it does not, we will replace it anytime within one year of your order. If you have a problem, we will take every step to assist you

How to choose a good powersports crank shafts

Does the idea of finding a fantastic powersports crank shafts make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in powersports crank shafts. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top powersports crank shafts products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top powersports crank shafts on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top powersports crank shafts brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top powersports crank shafts based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the powersports crank shafts were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good powersports crank shafts, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your powersports crank shafts.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting powersports crank shafts for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our powersports crank shafts. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what powersports crank shafts should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on powersports crank shafts.