1. USED Motorcycle/Scooter Clutches Items
  2. sku: 6935407648606632
  3. EBC MN/4B05

EBC MN-4B05 Csk Clutch Spring Kit Engine MN/4B05

fits model: Yz250, Kr. make: Yamaha. year: 2002–2020.

4b05 Ebc Mn/4b05 Csk Clutch Spring Kit For 2002-2020 Yamaha Yz250 - Engine And Kr

( Brand: Ebc ), ( Manufacturer Part Number: MN/4B05 ), ( Type: Csk Clutch Spring Kits ), ( Compatible Year: 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 ), ( Bundle Description: 1 Pc Genuine Ebc Csk Clutch Spring Kits ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review EBC Mn/4b05 Csk Clutch Spring Kit For Yamaha Engine And fits YZ250 KR 2002–2020

EBC MN/4B05 CSK Clutch Spring Kit for 2002-2020 Yamaha YZ250 Engine

The EBC MN/4B05 CSK Clutch Spring Kit is an essential replacement part designed specifically for the Yamaha YZ250 engines manufactured between 2002 and 2020. This clutch spring kit ensures the optimal performance and reliability of your engine by supplying a set of high-quality, replacement clutch springs.

The EBC MN/4B05 CSK Clutch Spring Kit includes four clutch springs, each meticulously engineered to provide superior strength and durability. These springs are manufactured using advanced materials and precision manufacturing techniques to ensure a perfect fit and reliable operation.

The outer clutch spring, also known as the primary or drive spring, is responsible for transmitting engine power to the clutch. It is designed to handle the high torque generated by the engine and must be able to withstand the rigors of off-road riding. The EBC MN/4B05 CSK outer clutch spring is engineered to meet these demands, providing excellent power transfer and longevity.

The inner clutch spring, also referred to as the secondary or driven spring, is responsible for engaging and disengaging the clutch. It must be able to handle the forces generated during the engagement and disengagement process while also providing enough flexibility to allow the clutch to slip during aggressive riding. The EBC MN/4B05 CSK inner clutch spring is designed to strike this delicate balance, ensuring smooth clutch operation and effective engagement.

The thrust bearing spring is an essential component that supports the clutch hub and maintains the proper alignment of the clutch assembly. The EBC MN/4B05 CSK thrust bearing spring is designed to provide the necessary support and durability, ensuring that the clutch remains properly aligned and functions efficiently.

The clutch center spring is responsible for maintaining the clutch plates in proper position and ensuring that they remain in contact with the engine crankshaft. The EBC MN/4B05 CSK clutch center spring is designed to provide the necessary tension and support, ensuring that the clutch plates function effectively and efficiently.

In conclusion, the EBC MN/4B05 CSK Clutch Spring Kit is an essential replacement part for the Yamaha YZ250 engines manufactured between 2002 and 2020. This kit includes four high-quality, replacement clutch springs - an outer clutch spring, an inner clutch spring, a thrust bearing spring, and a clutch center spring - designed to provide superior strength, durability, and reliability. These springs are meticulously engineered to meet the specific demands of the Yamaha YZ250 engine, ensuring optimal performance and longevity.

The EBC MN/4B05 CSK clutch spring kit is a popular aftermarket option for Yamaha YZ250 engines produced between 2002 and 2020. This kit is known for its high-performance characteristics, but like any aftermarket part, it comes with its pros and cons.

Pros:

1. Enhanced Clutch Performance: The CSK clutch spring kit offers improved clutch engagement, increased clamping force, and better overall performance. This can lead to quicker acceleration and smoother power delivery.

2. Durability: The springs in this kit are made from high-tensile material, ensuring they last longer than OEM springs. This can save you money in the long run, as you won't have to replace your clutch springs as frequently.

3. Customizable: The CSK clutch spring kit comes with a range of spring weights, allowing riders to choose the best option for their specific riding style and engine setup.

Cons:

1. Installation: Installing the CSK clutch spring kit can be a complex process, especially for those without experience working on motorcycles. It may require specialized tools and a good understanding of clutch systems.

2. Cost: Compared to OEM clutch springs, the CSK kit can be more expensive. However, the increased performance and durability may justify the additional cost for some riders.

3. Potential Power Increase: The enhanced clamping force of the CSK clutch spring kit can result in more power being delivered to the rear wheel. This may not be desirable for all riders, especially those who prefer a more beginner-friendly power delivery.

Conclusion:

The EBC MN/4B05 CSK clutch spring kit offers several advantages for Yamaha YZ250 riders, including improved clutch performance, increased durability, and customizable options. However, the installation process can be complex, and the kit comes with a higher price tag compared to OEM springs. Ultimately, the decision to purchase this kit depends on your personal riding style, experience level, and budget. If you value high-performance and are willing to invest in a more durable and customizable clutch system, the CSK kit may be a worthwhile investment. On the other hand, if you prefer a more beginner-friendly power delivery or are on a tight budget, you may want to stick with OEM springs.

Details:

EBC CSK Clutch Spring Kit for 2002 - 2020 Yamaha YZ250 - Engine Kr: Status: In Stock.

part #: mn4b05 prices

  • $19.06-$335.20

specifications scookit:

  • for models: Yz250, Kr
  • for makes: Yamaha
  • for years: 2002-2020
  • brand: Ebc
  • mpn: Mn/4b05
  • type: Csk Clutch Spring Kits
  • compatible year: 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008
  • bundle description: 1 Pc Genuine Ebc Csk Clutch Spring Kits
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

general scookit:

  • condition: New
  • Transmission Drivetrain > Clutch Parts Kits > Complete Clutches Kits

shipping scookit:

  • class: Standard
  • cost: $0.00
  • service: Standard
  • transit: 3-6 Days
  • type: Fixed

seller scookit:

  • # reviews: 16739
  • city: Multiple warehouses
  • rating: 98.7%

payments scookit:

  • credit card: Discover
  • wallet: Apple-pay
  • other

returns scookit:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

offer scookit:

  • sold: 0
  • started: January 29, 2026
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
for models: yz250, kr, for makes: yamaha, for years: 2002-2020, type: csk clutch spring kits, compatible year: 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008, bundle description: 1 pc genuine ebc csk clutch spring kits, core charge: free no core charge, fitment type: direct replacement,
category: auto parts > transmission drivetrain > clutch parts kits > complete clutches kits, sku: 6935407648606632,

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