Best Motorcycle Crankshafts

Looking for the best motorcycle crankshafts to boost your bike’s performance? We’ve tested and reviewed the top 10 crankshafts for popular models, offering you a smooth, powerful, and durable upgrade for your ride.

Motorcycle crankshafts are the heart of your bike’s engine. They turn piston motion into powerful drive, keeping your ride smooth and strong. Choosing the right crankshaft can make all the difference in performance and durability.

Whether you’re upgrading or replacing, the best crankshafts are built to last. They’re made from strong alloys and factory-trued for perfect balance. This ensures your bike runs smoothly with low vibration.

We’ve tested and reviewed top crankshafts for popular models. From Yamaha to Kawasaki, find the perfect fit for your ride. Upgrade with confidence and keep your bike running like new.

List of Top 10 Motorcycle Crankshafts

Title	Best For	Price
Green-L Motorcycle Crankshaft Crank Shaft Fit for Yamaha YZ125 1998-2000	This Green-L Motorcycle Crankshaft is perfect for Yamaha YZ125 owners who need a reliable replacement part. It’s ideal for 1998-2000 models, offering premium quality and factory-level performance.	View on Amazon (paid link)
Motorcycle Crankshaft Crank Shaft Emission Version Engine Fit For YBR125 TTR125 JYM 125(Euro I)	This crankshaft is perfect for motorcycle owners who need a reliable replacement for their YBR125, TTR125, or JYM 125 (Euro I) engine. It’s easy to install and meets emission standards, making it ideal for eco-friendly upgrades.	View on Amazon (paid link)
TOFR Crank Shaft Motorcycle Crankshaft for Yamaha YZ250F 2003-2013 Dirt Bike	This TOFR Crank Shaft is perfect for Yamaha YZ250F dirt bike owners who need a reliable replacement crankshaft. It’s easy to install and built to last, making it ideal for riders looking for premium quality without the hassle.	View on Amazon (paid link)
Rareelectrical New Factory Trued Balanced Crankshaft Compatible With 1992-2004 Kawasaki Kx250 250Cc 2-Stroke Motocross Motorcycle Liquid-Cooled Mx Single Cylinder 13031-0022 13031-1495 Hr4017 4-Stroke	This crankshaft is perfect for Kawasaki KX250 owners who need a reliable replacement for their 1992-2004 2-stroke motocross motorcycle.	View on Amazon (paid link)
WFLNHB Motorcycle Crank Crankshaft Replacement for Yamaha Blaster 200 YFS200 1988-2006	This crankshaft is perfect for Yamaha Blaster 200 owners who need a reliable replacement. It’s easy to install and fits models from 1988 to 2006.	View on Amazon (paid link)
Motorcycle Crankshaft Crank Shaft,Compatible with Yamaha YBR125 XT125 TTR125 TTR JYM YBR 125 125cc Euro I II 3D9-W1140-00 4 Stroke(Euro II)	This crankshaft is perfect for motorcycle owners who want a reliable and cost-effective replacement part. It’s ideal for Yamaha YBR125, XT125, and TTR125 models, offering good stability and easy maintenance.	View on Amazon (paid link)
Motorcycle Crankshaft Crank Shaft Emission Version Engine Fit For YBR125 TTR125 JYM 125(Euro II)	This motorcycle crankshaft is perfect for riders who need a reliable, eco-friendly engine part. It’s easy to install and fits specific models like YBR125, TTR125, and JYM 125 (Euro II).	View on Amazon (paid link)
Motorcycle Crankshaft Crank shafts Assembly Crank Fit for Yamaha YZ85 YZ 85 2002-2018 5PA-11400-00-00	This crankshaft assembly is perfect for Yamaha YZ85 owners who need a reliable replacement part. It’s easy to install and ensures smooth, comfortable rides.	View on Amazon (paid link)
Motorcycle Crankshaft Crank Shaft Emission Version Engine Fit For YBR125 TTR125 JYM 125(Euro I)	This crankshaft is perfect for motorcycle owners who need a reliable replacement for their YBR125, TTR125, or JYM 125 (Euro I) engine. It’s easy to install and meets emission standards, making it ideal for eco-friendly upgrades.	View on Amazon (paid link)
4ES-11400-02-00 Motorcycle Crankshaft Crank Shaft Kit Replacement for YZ80 YZ 80 1993 1994 1995-2000 2001	This crankshaft kit is perfect for YZ80 owners who need a reliable replacement for their 1993-2001 models. It’s ideal for riders seeking long-lasting performance and adaptability on various terrains.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 motorcycle crankshafts in our expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value. Whether you prioritize comfort, affordability, or reliability, this guide helps you find the perfect fit for your ride. Read on to make an informed choice and upgrade your bike with confidence.

1. Green-L Motorcycle Crankshaft Crank Shaft Fit for Yamaha YZ125 1998-2000

Rev up your Yamaha YZ125 with this brand-new crankshaft. It’s a perfect fit for 1998-2000 models. Upgrade with confidence today.

Made from strong, dependable alloys, this part is built to last. Factory-assembled and trued to OEM specs, it meets or beats performance standards.

Easy to install, this direct replacement saves time. Premium quality ensures your bike runs smoothly.

Pros	Cons
Brand-new aftermarket part, ready to install. Fits perfectly on Yamaha YZ125 (1998-2000). Strong, dependable alloys ensure long-lasting performance. Meets or exceeds factory standards for top quality.	Not for other Yamaha models, only fits YZ125 1998-2000. No installation tools or instructions included. Aftermarket part, not an original Yamaha product.

Perfect For:

This Green-L Motorcycle Crankshaft is perfect for Yamaha YZ125 owners who need a reliable replacement part. It’s ideal for 1998-2000 models, offering premium quality and factory-level performance.

Ready to Purchase?

View Price on Amazon (paid link)

2. Motorcycle Crankshaft Crank Shaft Emission Version Engine Fit For YBR125 TTR125 JYM 125(Euro I)

This motorcycle crankshaft is a direct replacement for specific models. It fits YBR125, TTR125, and JYM 125 (Euro I) engines. It’s designed for emission version systems.

The crankshaft converts piston motion into vehicle power. It ensures smooth running with low vibration.

Installation is spec fit, requiring no extra work. It meets emission standards for eco-friendliness.

Pros	Cons
Perfect fit for YBR125, TTR125, JYM 125 (Euro I) engines. Smooth, low-vibration performance for a quiet ride. Eco-friendly design meets emission standards. Easy installation as a direct replacement part.	Limited Compatibility: Only fits specific models, not universal. Emission Version: May not suit older engines or non-Euro I standards. Direct Replacement: Requires professional installation for proper fit.

Perfect For:

This crankshaft is perfect for motorcycle owners who need a reliable replacement for their YBR125, TTR125, or JYM 125 (Euro I) engine. It’s easy to install and meets emission standards, making it ideal for eco-friendly upgrades.

Ready to Purchase?

View Price on Amazon (paid link)

3. TOFR Crank Shaft Motorcycle Crankshaft for Yamaha YZ250F 2003-2013 Dirt Bike

The TOFR Crank Shaft is a direct OEM replacement for Yamaha YZ250F dirt bikes from 2003 to 2013. It’s easy to install, with no instructions needed. Made from strong, dependable alloys, it’s built to last.

This crankshaft weighs 7.28 pounds and measures 302020 cm. The package includes one crankshaft, just like the picture shows.

Pros	Cons
Direct OEM replacement for Yamaha YZ250F, fits perfectly. Premium alloy build, ensures strength and dependability. Easy installation, no instructions needed, saves time. Lightweight yet sturdy, weighs only 7.28 lb, optimizes performance.	No installation guide included, might need expert help. Heavy weight (7.28lb) could affect bike performance. No warranty details provided, risky purchase.

Perfect For:

This TOFR Crank Shaft is perfect for Yamaha YZ250F dirt bike owners who need a reliable replacement crankshaft. It’s easy to install and built to last, making it ideal for riders looking for premium quality without the hassle.

Ready to Purchase?

View Price on Amazon (paid link)

4. Rareelectrical New Factory Trued Balanced Crankshaft Compatible With 1992-2004 Kawasaki Kx250 250Cc 2-Stroke Motocross Motorcycle Liquid-Cooled Mx Single Cylinder 13031-0022 13031-1495 Hr4017 4-Stroke

Rareelectrical New Factory Trued Balanced Crankshaft Compatible With 1992-2004 Kawasaki Kx250 250Cc 2-Stroke Motocross Motorcycle Liquid-Cooled Mx Single Cylinder 13031-0022 13031-1495 Hr4017 4-Stroke

Revitalize your Kawasaki KX250 with the Rareelectrical New Factory Trued Balanced Crankshaft. This aftermarket part is designed for 1992-2004 Kawasaki KX250 2-stroke motocross motorcycles, ensuring a perfect fit for your liquid-cooled, single-cylinder engine.

It replaces multiple OEM part numbers, including 13031-0022 and 13031-1495, making it a reliable choice for your bike. This crankshaft is trued and balanced, delivering smooth performance for your motocross adventures.

Upgrade your ride with confidence. This factory-quality crankshaft is built to meet or exceed OEM standards, ensuring durability and longevity for your Kawasaki KX250.

Pros	Cons
Fits Kawasaki Kx250 perfectly, ensuring smooth engine performance. Replaces multiple OEM parts, saving time and money. Balanced and trued for reliable, long-lasting operation. Aftermarket quality at a competitive price.	Not OEM: Aftermarket part, may not match original quality. Fitment Risk: Requires careful verification to ensure compatibility. Limited Warranty: No mention of guarantee or return policy.

Perfect For:

This crankshaft is perfect for Kawasaki KX250 owners who need a reliable replacement for their 1992-2004 2-stroke motocross motorcycle.

Ready to Purchase?

View Price on Amazon (paid link)

5. WFLNHB Motorcycle Crank Crankshaft Replacement for Yamaha Blaster 200 YFS200 1988-2006

The WFLNHB Motorcycle Crank Crankshaft is a perfect replacement for Yamaha Blaster 200 YFS200 models from 1988 to 2006. It’s easy to install, fitting directly without needing extra adjustments. This part is built to last, made from strong and reliable alloy.

The package includes one crankshaft and five additional parts, as shown in the picture. It comes with specific bearings, model 83A195, sized 25mm x 15mm x 55mm. This ensures smooth and reliable performance for your motorcycle.

With this crankshaft replacement, you can restore your bike’s power and efficiency. It’s a cost-effective solution for keeping your Yamaha Blaster running smoothly.

Pros	Cons
Perfect fit for Yamaha Blaster 200 YFS200 (1988-2006). Strong alloy ensures durability and reliability. Easy installation, no extra adjustments needed. Complete package includes 1 crankshaft and 5 parts.	No installation guide included, might need expert help. Limited compatibility, only fits specific Yamaha Blaster models. No warranty mentioned, risk of defects or issues.

Perfect For:

This crankshaft is perfect for Yamaha Blaster 200 owners who need a reliable replacement. It’s easy to install and fits models from 1988 to 2006.

Ready to Purchase?

View Price on Amazon (paid link)

6. Motorcycle Crankshaft Crank Shaft,Compatible with Yamaha YBR125 XT125 TTR125 TTR JYM YBR 125 125cc Euro I II 3D9-W1140-00 4 Stroke(Euro II)

The Motorcycle Crankshaft Crank Shaft is compatible with Yamaha YBR125, XT125, TTR125, and more. It fits 125cc Euro I and II models perfectly.

This crankshaft offers good stability for high-speed environments. It works well with various engine accessories and control systems. Its easy-to-repair design cuts maintenance costs and time.

Each crankshaft passes factory inspection for safe use. It’s a reliable choice for your motorcycle. Upgrade with confidence today!

Pros	Cons
High-speed stability ensures your engine runs smoothly at top speeds. Wide compatibility fits various Yamaha models for easy upgrades. Low maintenance costs save time and money on repairs. Factory-inspected for safe, reliable performance every ride.	No installation tools included, requiring extra purchases. Limited to specific Yamaha models, not universal. High-speed use may wear faster, needing frequent checks.

Perfect For:

This crankshaft is perfect for motorcycle owners who want a reliable and cost-effective replacement part. It’s ideal for Yamaha YBR125, XT125, and TTR125 models, offering good stability and easy maintenance.

Ready to Purchase?

View Price on Amazon (paid link)

7. Motorcycle Crankshaft Crank Shaft Emission Version Engine Fit For YBR125 TTR125 JYM 125(Euro II)

This motorcycle crankshaft is a direct replacement for specific models. It’s designed for emission-compliant engines, ensuring your bike meets eco-friendly standards. The crankshaft converts piston motion into smooth, powerful drive.

It offers low vibration and good balance for a reliable ride. Installation is simple, fitting perfectly without hassle.

Pros	Cons
Perfect fit for YBR125, TTR125, JYM 125 (Euro II) models. Smooth, eco-friendly performance with low vibration and emissions. Direct replacement, easy to install with no hassle. Reliable power conversion for your motorcycle engine.	Limited compatibility with non-Euro II models. No DIY option; professional installation needed. Higher cost than standard crankshafts.

Perfect For:

This motorcycle crankshaft is perfect for riders who need a reliable, eco-friendly engine part. It’s easy to install and fits specific models like YBR125, TTR125, and JYM 125 (Euro II).

Ready to Purchase?

View Price on Amazon (paid link)

8. Motorcycle Crankshaft Crank shafts Assembly Crank Fit for Yamaha YZ85 YZ 85 2002-2018 5PA-11400-00-00

Upgrade your Yamaha YZ85 with this crankshaft assembly, designed for a perfect fit and easy installation. It’s compatible with 2002-2018 models, ensuring a hassle-free replacement.

This high-quality kit replaces the OEM part 5PA-11400-00, offering smooth operation and better driving comfort. It balances cost and reliability, meeting your performance needs.

Check the model before buying. Read descriptions and view pictures carefully. Ensure a perfect match for your bike.

Pros	Cons
Easy installation for a quick upgrade to your Yamaha YZ85. Perfect fit, guaranteed performance for smooth, reliable rides. Replaces OEM part 5PA-11400-00, saving time and money. Balances cost and reliability, ideal for direct replacement.	No instructions included, might need extra help for install. Limited to specific Yamaha models, not universal. OEM replacement, no upgrades or extra features.

Perfect For:

This crankshaft assembly is perfect for Yamaha YZ85 owners who need a reliable replacement part. It’s easy to install and ensures smooth, comfortable rides.

Ready to Purchase?

View Price on Amazon (paid link)

9. Motorcycle Crankshaft Crank Shaft Emission Version Engine Fit For YBR125 TTR125 JYM 125(Euro I)

This motorcycle crankshaft is a direct replacement for specific models. It fits YBR125, TTR125, and JYM 125 (Euro I) bikes. It’s designed for emission version engines.

The crankshaft converts piston motion into vehicle power. It ensures smooth running with low vibration.

Installation is easy with a spec fit. It meets emission standards for eco-friendliness.

Pros	Cons
Perfect fit for YBR125, TTR125, JYM 125 (Euro I) models. Smooth, eco-friendly performance with low vibration. Direct replacement, easy spec fit installation. Meets emission standards, reliable and efficient.	Limited Compatibility: Only fits specific models, not universal. Emission Version: May not suit older engines or non-Euro I bikes. No DIY Option: Requires professional installation for proper fit.

Perfect For:

Ready to Purchase?

View Price on Amazon (paid link)

10. 4ES-11400-02-00 Motorcycle Crankshaft Crank Shaft Kit Replacement for YZ80 YZ 80 1993 1994 1995-2000 2001

Rev up your YZ80 with this crankshaft kit. It’s a perfect fit for models from 1993 to 2001. The part number is 4ES-11400-02-00, so you know it’s right.

Made with quality materials, this kit lasts longer and works better. It handles any terrain and meets all your riding needs.

Pros	Cons
Perfect fit for YZ80 models from 1993 to 2001. High-quality materials ensure long-lasting performance. Adaptable design handles any terrain with ease. Complete kit includes all essential parts for easy installation.	No installation tools or instructions included, making setup tricky. Limited compatibility with only YZ80 1993-2001 models. Single part replacement, not a complete engine overhaul kit.

Perfect For:

This crankshaft kit is perfect for YZ80 owners who need a reliable replacement for their 1993-2001 models. It’s ideal for riders seeking long-lasting performance and adaptability on various terrains.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Here’s what to consider when buying the best motorcycle crankshaft:

Compatibility:
Ensure the crankshaft fits your bike’s make and model. Check the OEM part number for a perfect match.
Material Quality:
Look for strong alloys that are built to last. Premium materials ensure durability and smooth operation.
Balance and Truing:
A factory-trued crankshaft reduces vibration and ensures smooth running. Balanced parts improve performance.
Ease of Installation:
Choose a direct replacement that’s easy to install. Save time and avoid extra work.
Emission Compliance:
If your bike has an emission version engine, pick a crankshaft that meets eco-friendly standards.
Cost vs. Reliability:
Balance price with quality. A reliable crankshaft saves money in the long run.
Brand Reputation:
Go for trusted brands known for quality and performance. Reviews and ratings can guide you.

Upgrade with confidence and keep your bike running like new. The right crankshaft ensures a smooth, powerful ride every time.