Looking for the best motorcycle shim replacements? We’ve curated a list of 10 top options to help you keep your bike running smoothly and efficiently.
Motorcycle shim replacements are essential for keeping your bike running smoothly. Whether you’re a DIY enthusiast or a professional mechanic, finding the right shims can make all the difference. We’ve gathered the best options to help you save time and money.
From cam shims to handlebar spacers, these reliable and durable parts ensure your bike performs at its best. Discover easy-to-use kits that fit most models and simplify your repairs. Let’s dive in and find the perfect fit for your ride!
List of Top 10 Motorcycle Shim Replacements
| Image | Title | Best For | Price |
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Eastern Motorcycle Parts Cam Shims Complete Set |
This Eastern Motorcycle Parts Cam Shims Complete Set is perfect for motorcycle enthusiasts who want reliable, high-quality parts. Whether you’re tuning your bike or replacing worn components, this Made in the USA set offers flexibility with complete or individual size options. |
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Eastern Motorcycle Parts Spacer Shim Kit |
This shim kit is perfect for motorcycle owners who need factory-style replacements. It’s ideal for most applications, whether you need shims, washers, or spacers. |
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Hot Cams HCSHIM02 Complete Shim Kit Compatible with/Replacement for Arctic Cat ATV DVX 400 /Honda CRF 450R CRF450X TRX 450ER TRX 450R /Kawasaki KFX 400 KFX 450R KLX 450R KX 450F/Suzuki |
This shim kit is perfect for ATV and dirt bike owners who want reliable performance and great value. It’s ideal for those upgrading or replacing parts on their Arctic Cat, Honda, Kawasaki, or Suzuki vehicles. |
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7.48mm Adjustable Motorcycle Valve Shim Kit for Honda CRF250R CRF250X 2004-2017 for Yamaha WR250F YZ250F 2001-2013 for Kawasaki KX250F 2004-2019 for Suzuki RMZ250 2004-2018 |
This 7.48mm Adjustable Motorcycle Valve Shim Kit is perfect for motorcycle enthusiasts who need precise valve adjustments. It’s ideal for owners of Honda, Yamaha, Kawasaki, and Suzuki bikes listed above. |
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9.48mm Adjustable Motorcycle Valve Shim Kit Fit for Yamaha WR250F 2015-2020 WR450F YZ450F 2003-2020 YFZ450 2004-2013 YZ250F 2014-2021 for Honda CRF250R 2018-2021 CRF450R 2002-20 CRF450X 2005-21 52pcs |
This 9.48mm Adjustable Motorcycle Valve Shim Kit is perfect for motorcycle enthusiasts who need a reliable and compatible solution for their Yamaha, Honda, Suzuki, Kawasaki, Polaris, or Arctic Cat bikes. It’s ideal for those looking to maintain or repair their engine valves with precision and ease. |
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MWMNUN 8pcs Handlebar Shim 7/8″ Handlebars to 1″ Motorcycle Handle Bar Spacer Conversion Shims with Handlebar Mounts Risers Clamp Conversion Shims Reducer Spacers |
This product is perfect for motorcycle owners who need to convert 7/8″ handlebars to 1″. It’s easy to use and fits 22 mm handlebars. |
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Otoolling 10 Pcs Starter Alignment Shim Bulk (4) 1/64 (4) 1/32 and (2) 1/16 in Universal Fit Stainless Steel 304 Starter Alignment Shim Kit for Vehicle Car DIY Motorcycle Repair(Straight) |
This starter alignment shim kit is perfect for DIY enthusiasts and motorcycle repair workers. It’s ideal for anyone fixing vehicles and needing reliable, durable shims. |
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Eastern Motorcycle Parts Spacer Shim – 0.002in. A-43294-82 |
This Eastern Motorcycle Parts Spacer Shim is perfect for motorcycle enthusiasts who need a reliable, precise part to keep their bike running smoothly. It’s ideal for anyone tackling repairs or upgrades with ease. |
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Eastern Motorcycle Parts Spacer Shim – 0.008in. A-43292-82 |
This Eastern Motorcycle Parts Spacer Shim is perfect for motorcycle enthusiasts who need a reliable, precision-made part. It’s ideal for anyone working on bike repairs or upgrades. |
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Eastern Motorcycle Parts A-25556-79 Cam Shims – .080in |
Eastern Motorcycle Parts A-25556-79 Cam Shims are perfect for motorcycle enthusiasts who want to fine-tune their engine’s performance. These .080-inch cam shims are ideal for anyone working on Harley-Davidson models, ensuring precise timing adjustments. |
Detailed Reviews
Discover the top 10 Motorcycle Shim Replacements carefully selected for performance, durability, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your bike. Whether you need cam shims, valve kits, or handlebar spacers, this guide has you covered. Dive in to find the best options tailored to your motorcycle maintenance needs.
1. Eastern Motorcycle Parts Cam Shims Complete Set

Eastern Motorcycle Parts offers a complete set of cam shims. These shims come in a pack of 10. They are made in the USA.
You can buy them all together or pick individual sizes. Each size comes in a 5-pack. This gives you flexibility for your needs.
These cam shims are reliable and durable. They are easy to use. Perfect for your motorcycle maintenance.
| Pros | Cons |
|---|---|
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Perfect For:
This Eastern Motorcycle Parts Cam Shims Complete Set is perfect for motorcycle enthusiasts who want reliable, high-quality parts. Whether you’re tuning your bike or replacing worn components, this Made in the USA set offers flexibility with complete or individual size options.
Ready to Purchase?
2. Eastern Motorcycle Parts Spacer Shim Kit

Eastern Motorcycle Parts Spacer Shim Kit is a must-have for motorcycle repairs. It includes factory-style shims, washers, and spacers.
Shims come in 10-packs, washers in 5-packs, and spacers are sold individually. Choose spacers with or without flanges.
All parts are made in the USA and fit most applications. Keep your bike running smoothly with this kit.
| Pros | Cons |
|---|---|
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Perfect For:
This shim kit is perfect for motorcycle owners who need factory-style replacements. It’s ideal for most applications, whether you need shims, washers, or spacers.
Ready to Purchase?
3. Hot Cams HCSHIM02 Complete Shim Kit Compatible with/Replacement for Arctic Cat ATV DVX 400 /Honda CRF 450R CRF450X TRX 450ER TRX 450R /Kawasaki KFX 400 KFX 450R KLX 450R KX 450F/Suzuki

The Hot Cams HCSHIM02 Complete Shim Kit is a reliable replacement for many ATV and motorcycle models. It works with Arctic Cat, Honda, Kawasaki, and Suzuki vehicles. This kit is designed to fit perfectly.
It meets or exceeds OEM specs, ensuring top performance. The laser-etched size on each shim makes identification easy.
With factory direct pricing, you get great value. There’s no middleman markup, so you save money. This kit is a smart choice for your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This shim kit is perfect for ATV and dirt bike owners who want reliable performance and great value. It’s ideal for those upgrading or replacing parts on their Arctic Cat, Honda, Kawasaki, or Suzuki vehicles.
Ready to Purchase?
4. 7.48mm Adjustable Motorcycle Valve Shim Kit for Honda CRF250R CRF250X 2004-2017 for Yamaha WR250F YZ250F 2001-2013 for Kawasaki KX250F 2004-2019 for Suzuki RMZ250 2004-2018

This 7.48mm Adjustable Motorcycle Valve Shim Kit is a must-have for bike repairs. It includes 47 valve shims with precise thicknesses from 1.20mm to 3.50mm. Each shim is 0.05mm apart, ensuring perfect fit every time.
It works with Honda, Kawasaki, Suzuki, and Yamaha models. Compatible bikes include CRF250R, KX250F, RMZ250, and YZ250F. Check the list to see if your bike is covered.
This kit is easy to use and saves time on valve adjustments. It’s durable and reliable for long-term use. Perfect for DIY repairs or professional mechanics.
| Pros | Cons |
|---|---|
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Perfect For:
This 7.48mm Adjustable Motorcycle Valve Shim Kit is perfect for motorcycle enthusiasts who need precise valve adjustments. It’s ideal for owners of Honda, Yamaha, Kawasaki, and Suzuki bikes listed above.
Ready to Purchase?
5. 9.48mm Adjustable Motorcycle Valve Shim Kit Fit for Yamaha WR250F 2015-2020 WR450F YZ450F 2003-2020 YFZ450 2004-2013 YZ250F 2014-2021 for Honda CRF250R 2018-2021 CRF450R 2002-20 CRF450X 2005-21 52pcs

This 9.48mm Adjustable Motorcycle Valve Shim Kit is a must-have for bike enthusiasts. It includes 52 valve shims with thicknesses ranging from 1.20mm to 4.00mm. Perfect for tuning and maintenance, it ensures your engine runs smoothly.
Fits Yamaha, Honda, Suzuki, Kawasaki, Polaris, and Arctic Cat models. Works with WR250F, CRF450R, GSX-R1100, and more. Easy to use for DIY repairs.
Ideal for motorcycle owners who want reliable performance. Save time and money with this all-in-one kit. Keep your bike in top shape effortlessly.
| Pros | Cons |
|---|---|
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Perfect For:
This 9.48mm Adjustable Motorcycle Valve Shim Kit is perfect for motorcycle enthusiasts who need a reliable and compatible solution for their Yamaha, Honda, Suzuki, Kawasaki, Polaris, or Arctic Cat bikes. It’s ideal for those looking to maintain or repair their engine valves with precision and ease.
Ready to Purchase?
6. MWMNUN 8pcs Handlebar Shim 7/8″ Handlebars to 1″ Motorcycle Handle Bar Spacer Conversion Shims with Handlebar Mounts Risers Clamp Conversion Shims Reducer Spacers

The MWMNUN 8pcs Handlebar Shim is a handy tool for motorcycle enthusiasts. It converts 7/8″ handlebars to 1″, making it a must-have for upgrades.
Aluminum alloy makes it strong and durable. It’s rust-proof and lasts long. Perfect for harsh weather.
Easy to install with simple steps. Just place, insert, and tighten. Get your bike ready quickly.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for motorcycle owners who need to convert 7/8″ handlebars to 1″. It’s easy to use and fits 22 mm handlebars.
Ready to Purchase?
7. Otoolling 10 Pcs Starter Alignment Shim Bulk (4) 1/64 (4) 1/32 and (2) 1/16 in Universal Fit Stainless Steel 304 Starter Alignment Shim Kit for Vehicle Car DIY Motorcycle Repair(Straight)

Otoolling Starter Alignment Shims are made from stainless steel, ensuring long-lasting durability. They come in three thicknesses (1/16, 1/32, and 1/64 inches) to fit various needs. These shims are easy to use and perfect for DIY repairs.
They fix alignment issues, making engine starts quiet and smooth. The ready-to-use package saves time and effort for vehicle and motorcycle repairs.
| Pros | Cons |
|---|---|
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Perfect For:
This starter alignment shim kit is perfect for DIY enthusiasts and motorcycle repair workers. It’s ideal for anyone fixing vehicles and needing reliable, durable shims.
Ready to Purchase?
8. Eastern Motorcycle Parts Spacer Shim – 0.002in. A-43294-82

Eastern Motorcycle Parts offers a spacer shim for your bike. This 0.002-inch shim is a small but vital part. It ensures smooth and precise performance.
The silver-colored shim is lightweight and durable. It’s an essential component for motorcycle maintenance.
| Pros | Cons |
|---|---|
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Perfect For:
This Eastern Motorcycle Parts Spacer Shim is perfect for motorcycle enthusiasts who need a reliable, precise part to keep their bike running smoothly. It’s ideal for anyone tackling repairs or upgrades with ease.
Ready to Purchase?
9. Eastern Motorcycle Parts Spacer Shim – 0.008in. A-43292-82

The Eastern Motorcycle Parts Spacer Shim is a small but essential component for your bike. It measures 0.008 inches and is designed to fit perfectly in your motorcycle’s system.
This spacer shim is easy to install, durable, and reliable. It helps maintain proper spacing and ensures smooth operation of your motorcycle’s parts.
| Pros | Cons |
|---|---|
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Perfect For:
This Eastern Motorcycle Parts Spacer Shim is perfect for motorcycle enthusiasts who need a reliable, precision-made part. It’s ideal for anyone working on bike repairs or upgrades.
Ready to Purchase?
10. Eastern Motorcycle Parts A-25556-79 Cam Shims – .080in

Eastern Motorcycle Parts A-25556-79 Cam Shims are .080 inches thick. They come in a 5-pack for easy use.
These shims fit cam gears perfectly. They are durable and reliable. Each shim is precisely made.
| Pros | Cons |
|---|---|
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Perfect For:
Eastern Motorcycle Parts A-25556-79 Cam Shims are perfect for motorcycle enthusiasts who want to fine-tune their engine’s performance. These .080-inch cam shims are ideal for anyone working on Harley-Davidson models, ensuring precise timing adjustments.
Ready to Purchase?
Buying Guide
Motorcycle shim replacements keep your bike running smoothly. Choose the right ones to save time and money.
Buying Guide for Best Motorcycle Shim Replacements
When shopping for motorcycle shim replacements, consider these key factors:
- Compatibility: Ensure the shims fit your bike’s make and model. Check the manufacturer’s specifications for a perfect match.
- Material: Look for durable materials like stainless steel or aluminum alloy. They last longer and handle harsh conditions well.
- Thickness: Choose shims with the right thickness for your needs. Precise measurements ensure smooth performance.
- Ease of Use: Opt for easy-to-install shims, especially if you’re a DIY enthusiast. Simple steps save time and effort.
- Pack Size: Buy shims in packs or kits for better value. Having extras on hand is convenient for future repairs.
- Brand Reputation: Stick with trusted brands known for quality and reliability. They often offer warranties or guarantees.
- Price: Compare prices to find the best deal. Factory-direct pricing can help you save money without sacrificing quality.
With these factors in mind, you’ll find the perfect shim replacements for your ride. Enjoy a smoother, more reliable biking experience!