1. ATV Transmission & Drivetrain Parts Deals
  2. sku: 10928956875075632
  3. COMET MN/BS4E

COMET MN-BS4E Clutch Spring Engine Qz MN/BS4E

fits model: Ss. make: Polaris. year: 1985–1986.

Bs4e Comet Mn/bs4e Clutch Spring For 1985-1986 Polaris Ss - Engine And Components Qz

( Brand: Comet ), ( Manufacturer Part Number: MN/BS4E ), ( Color: Pink ), ( Compatible Year: 1986 1985 ), ( Bundle Description: 1 Pc Genuine Comet Clutch Spring ), ( Type: Clutch Spring ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review COMET Mn/bs4e Clutch Spring Polaris Engine And Components Qz fits SS 1985–1986

Introducing the Comet MN/BS4E Clutch Spring, specifically designed for the Polaris engine QZ used in models from 1985 to 1986. This essential component is an indispensable addition to your engine's clutch system.

The Comet MN/BS4E Clutch Spring is meticulously crafted from high-quality spring steel, ensuring superior strength and durability. Its unique design features a precise coil diameter and consistent spring rate, optimizing the engagement and disengagement of the clutch system.

This clutch spring boasts a versatile construction, enabling it to withstand the rigors of off-road conditions. It is designed to provide a reliable and consistent clutch feel, allowing you to ride with confidence and control.

The Comet MN/BS4E Clutch Spring is a direct replacement for the original equipment, ensuring a seamless installation process. It is compatible with all Polaris engine QZ models from 1985 to 1986.

In summary, the Comet MN/BS4E Clutch Spring is an essential upgrade for your Polaris engine QZ. Its high-quality construction, precise design, and reliable performance make it an invaluable addition to your off-road vehicle. Upgrade today and experience the difference a superior clutch spring can make.

The Comet MN/BS4E clutch spring is a popular aftermarket option for Polaris engines, specifically those used in QZ models from 1985 to 1986. This clutch spring is designed to provide improved performance, durability, and reliability compared to the stock OEM clutch spring. Here are some pros and cons to consider before making a purchase:

Pros:

1. Enhanced clamping force: The Comet MN/BS4E clutch spring offers a higher clamping force than the stock spring. This results in better power transmission and a more responsive engine.

2. Improved durability: The aftermarket spring is typically made from high-quality materials that can withstand the rigors of off-road use better than the OEM spring. This translates to longer service life and fewer replacement costs.

3. Reduced clutch slippage: The increased clamping force also helps to reduce clutch slippage, which can lead to better engine efficiency and improved performance.

4. Suitable for high-performance modifications: If you have made performance modifications to your Polaris engine, such as installing a high-performance carburetor or exhaust system, the Comet MN/BS4E clutch spring may be a necessary upgrade to ensure optimal engine performance.

Cons:

1. Higher cost: The aftermarket clutch spring is typically more expensive than the stock OEM spring. This may be a consideration for budget-conscious buyers.

2. Installation complexity: Installing the aftermarket clutch spring may require more effort and expertise than installing the stock spring. This could result in additional labor costs or the need for professional assistance.

3. Potential for increased engine vibration: The higher clamping force of the aftermarket spring can lead to increased engine vibration, which some users may find uncomfortable or concerning.

Conclusion:

The Comet MN/BS4E clutch spring for Polaris engines can offer significant performance improvements and increased durability for off-road enthusiasts. However, it also comes with higher costs, installation complexity, and potential for increased engine vibration. Ultimately, the decision to purchase this aftermarket spring depends on your specific needs, budget, and off-road riding style.

Recommendation:

If you are looking for improved performance, durability, and reliability from your Polaris engine, the Comet MN/BS4E clutch spring is a worthwhile investment. However, it is important to ensure that you have the necessary expertise and resources to install the spring correctly. Additionally, consider weighing the potential benefits against the costs and any potential drawbacks, such as increased engine vibration, before making a purchase.

part # mnbs4e price

  • $48.92

specifications utvshift:

  • for models: Ss
  • for makes: Polaris
  • for years: 1985-1986
  • brand: Comet
  • manufacturer part number: MN/BS4E
  • color: Pink
  • compatible year: 1986 1985
  • bundle description: 1 Pc Genuine Comet Clutch Spring
  • type: Clutch Spring
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

seller utvshift:

  • # reviews: 15791
  • rating: 98.6%

payments utvshift:

  • wallet: Google-pay
  • credit card: Visa
  • other

general utvshift:

  • ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts
  • condition: New

offer utvshift:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: January 8, 2026

returns utvshift:

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

shipping utvshift:

  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 3-5 Days
  • service: Standard
for models: ss, for makes: polaris, for years: 1985-1986, compatible year: 1986 1985, bundle description: 1 pc genuine comet clutch spring, type: clutch spring, core charge: free no core charge, fitment type: direct replacement,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > transmission drivetrain parts, color: pink, sku: 10928956875075632,

Comet MN-BS4E Is Similar To:

utvshift logo
1 offer $48.92 USD
  • Offer #1: $48.92 price + free delivery = $48.92* total.FREE SHIPPING