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Engine Rebuild Kits

Reduce the hassle and cost of your engine overhaul with a comprehensive engine rebuild kit from Wiseco! We offer a wide range of rebuild kits for various powersports applications to enhance the efficiency and longevity of your machine. Our engine rebuild kits include all the necessary components to restore your engine to peak performance.
Explore our selection of complete engine rebuild kits, bottom-end rebuild kits, and crankshaft rebuild kits below.

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Choose Wiseco Engine Rebuild Kits for Peak Performance

When your dirt bike, ATV or UTV engine’s performance starts to wane, or you’re dealing with serious internal damage, it’s time to consider an engine rebuild kit. This isn’t a patch job; it’s a complete overhaul that breathes new life into your machine. A well-built engine rebuild kit includes everything you need to get your Powersports engine back to peak performance—new pistons, rings, gaskets, crankshaft components, and more.

You could go with a run-of-the-mill rebuild kit, but that’s not what you’re here for. Wiseco engine rebuild kits are designed by experts who live and breathe motorsports. With over 80 years of experience, Wiseco is the only U.S. manufacturer of forged pistons, ensuring superior strength and durability. Whether you’re in the market for a complete engine rebuild kit or a bottom-end rebuild kit, Wiseco has the precision-engineered parts that’ll keep your engine running like it’s fresh off the line, not limping along to the next service interval.

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The Right Rebuild Kit for Every Job

At Wiseco, we know that different machines and riding styles demand different solutions. That’s why we offer a range of engine rebuild kits tailored to meet your needs—whether you’re dealing with a worn-out crankshaft, a full engine overhaul, or just the bottom end. Let’s break down the options.

Crankshaft-Only Rebuild Kits

Sometimes, all you need is a solid foundation to get your engine purring again. Wiseco Crankshaft Rebuild Kits are designed for those who want to focus on the bottom end without getting bogged down in unnecessary extras. Each kit includes a complete crankshaft assembly engineered with precision and durability. Here’s what sets them apart:

  • Precision Machined Crank Webs: Our crankshafts are built for ultimate strength and durability to withstand the toughest conditions.
  • Copper-Plated, Heat-Treated Connecting Rod: Shot-peened to remove residual stress and smooth out surface blends, ensuring long-lasting reliability.
  • Top-Rated Engineering and Quality Control: Each crankshaft undergoes stringent quality checks to ensure it performs flawlessly.

When you choose a Wiseco crankshaft rebuild kit, you’re not just replacing a part; you’re investing in a component created to handle the high demands of Powersports engines.

Complete Engine Rebuild Kits

For those who demand a full refresh, Wiseco Garage Buddy Complete Engine Rebuild Kits are the way to go. These kits are your all-in-one solution, offering everything needed to make your engine rebuild as smooth as possible. Whether you’re tackling a dirt bike, ATV, or UTV, here’s what you get:

  • Complete Crankshaft Assembly: Precision-machined for ultimate strength, just like our crankshaft-only kits.
  • OEM-Quality Main Bearings and Gaskets: Everything you need to ensure a perfect seal and smooth operation.
  • Wiseco Forged Piston Kit: Includes rings, wrist pin, and circlips, engineered for durability and performance.
  • Hour Meter and Assembly Lube: These bonus items help you keep track of your engine hours and ensure proper assembly.

This is the ultimate kit for riders who want to do it right the first time. With Wiseco’s complete engine rebuild kits, you’re not just rebuilding; you’re upgrading.

Bottom-End Rebuild Kits

Sometimes, it’s the bottom end that needs attention. For those jobs, our Bottom-End Rebuild Kits are the perfect fit. Designed for dirt bikes, ATVs, and UTVs, these kits include all the essentials:

  • Complete Crankshaft Assembly: Precision-engineered for strength and reliability.
  • Main Bearings and Bottom-End Gasket Kit: High-quality components ensure smooth operation and long-lasting performance.
  • Copper-Plated, Heat-Treated Connecting Rod: Shot-peened for durability, just like in our crankshaft-only kits.

With a Wiseco bottom-end rebuild kit, you get everything you need in one box, all under one part number. This makes your rebuild not just easier but also more reliable.

Whether you’re looking for a crankshaft rebuild kit, a complete engine rebuild kit, or a bottom-end rebuild kit, Wiseco’s got you covered. Each kit is engineered with the highest standards to ensure your machine runs but runs better than ever before.

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Frequently Asked Questions: Wiseco Engine Rebuild Kits

If you have questions or would like to learn more about Wiseco engine rebuild kits, check out the answers to our most frequently asked questions below. 

How do Wiseco engine rebuild kits improve performance?

Wiseco engine rebuild kits include precision-engineered components like forged pistons and crankshafts, which withstand higher stress and provide superior durability. This enhances engine performance and longevity, especially in high-demand Powersports applications. 

Are Wiseco engine rebuild kits compatible with all dirt bike, ATV, and UTV models?

Wiseco offers engine rebuild kits for a wide range of popular Powersports models. However, it’s crucial to check the specific application guide provided by Wiseco to ensure the kit you choose is compatible with your vehicle’s make and model. 

Can I use a Wiseco engine rebuild kit for two- and four-stroke engines?

Yes, Wiseco offers engine rebuild kits for both two-stroke and four-stroke engines. The kits are tailored to meet the specific needs of each engine type, ensuring optimal performance and durability for your particular setup.

Wiseco Crankshafts Improved: Materials, Finishes & Quality Control

Year after year, we’re dedicated to pushing the boundaries of performance by continuously researching and refining our entire product line. Wiseco crankshafts have undergone extensive engineering and development to meet the highest standards. Get a glimpse into our engineering and quality control lab to see the processes behind these improvements.

Build It Right, Ride It Hard—Choose Wiseco Engine Rebuild Kits

When it’s time to rebuild, you need parts that will not just get the job done but exceed your expectations in performance and reliability. Wiseco’s engine rebuild kits are crafted from decades of motorsports experience and backed by cutting-edge engineering. 

Whether you’re on the track, trail, or dunes, every component in our kits is designed to deliver top-tier performance and long-lasting durability. Equip your machine with the best, and ride with the confidence that comes from knowing you’ve got Wiseco quality under the hood.