1. Motorcycle Engine Bearings For Sale
  2. sku: 11479023089785632
  3. WISECO MN/R5X6

WISECO MN-R5X6 Top End Bearing Engine Pistons MN/R5X6

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

R5x6 Wiseco Mn/r5x6 Top End Bearing For 1985-1986 Polaris Ss - Engine Pistons Bw

( Brand: Wiseco ), ( Manufacturer Part Number: MN/R5X6 ), ( Type: Top End Bearing ), ( Compatible Year: 1986 1985 ), ( Bundle Description: 1 Pc Genuine Wiseco Top End Bearing ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review WISECO Mn/r5x6 Top End Bearing Polaris Engine Pistons Bw fits SS 1985–1986

WiseCo MN/R5X6 Top End Bearing for 1985-1986 Polaris Engine Pistons (BW)

The WiseCo MN/R5X6 Top End Bearing is an exceptional upgrade for your 1985-1986 Polaris engine, specifically designed for pistons with the BW designation. This top-of-the-line bearing offers unparalleled performance and durability, ensuring a smoother and more efficient operation of your engine.

Crafted from high-quality materials, the WiseCo MN/R5X6 Top End Bearing is engineered to withstand the rigors of high-power applications. Its robust design and meticulous manufacturing process guarantee exceptional resistance to wear and tear, ensuring long-lasting performance even under extreme conditions.

The MN/R5X6 bearing features a unique design that offers improved load capacity and reduced friction. This results in less heat generation, which in turn contributes to a more efficient and longer-lasting engine. The bearing's precision-machined surface ensures a perfect fit with your Polaris engine pistons, minimizing play and maximizing power delivery.

Installing the WiseCo MN/R5X6 Top End Bearing is a straightforward process, making it an ideal choice for both DIY enthusiasts and professional mechanics. With its superior quality and ease of installation, this bearing is an excellent investment for anyone looking to enhance the performance and longevity of their 1985-1986 Polaris engine.

In conclusion, the WiseCo MN/R5X6 Top End Bearing is a top-tier upgrade for your Polaris engine. Its robust design, reduced friction, and precision machining ensure improved engine performance, longevity, and efficiency. Whether you're a weekend warrior or a professional racer, this bearing is an excellent choice for taking your Polaris engine to the next level.

Pros of WiseCo MN/R5X6 Top End Bearing for 1985-1986 Polaris Engine Pistons:

1. **Compatibility**: This bearing is specifically designed to fit the Polaris engine models from the specified years, ensuring a precise fit and proper function.

2. **Quality Material**: WiseCo uses high-quality materials in their bearings, which can help improve the overall performance and longevity of your engine.

3. **Improved Performance**: Upgrading to a WiseCo bearing can potentially provide better efficiency, reducing wear and tear and improving power delivery.

Cons:

1. **Cost**: As with many performance parts, WiseCo bearings may be more expensive than standard OEM bearings.

2. **Installation Complexity**: Installing a top end bearing can be a challenging process, especially for those without mechanic experience. It may require the disassembly of parts of your engine.

3. **Potential for Over-tightening**: If not handled properly during installation, the bearing could be over-tightened, leading to damage or reduced lifespan.

Conclusion:

The WiseCo MN/R5X6 Top End Bearing can offer improved performance and longevity for your Polaris engine, but it comes with a higher cost and potential installation complexities. If you are comfortable with the installation process and are willing to invest in a high-quality part, it could be a worthwhile upgrade. However, if you are on a budget or are not confident in your mechanical skills, it might be wiser to stick with OEM parts or consult a professional mechanic.

Details:

Wiseco Top End Bearing for 1985 - 1986 Polaris SS - Engine Pistons bw: Status: In Stock.

part #: mnr5x6 price

  • $31.13

specifications bearingmotorcycleiz:

  • for models: Ss
  • for makes: Polaris
  • for years: 1985-1986
  • brand: Wiseco
  • mpn: Mn/r5x6
  • type: Top End Bearing
  • compatible year: 1986 1985
  • bundle description: 1 Pc Genuine Wiseco Top End Bearing
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

seller bearingmotorcycleiz:

  • # reviews: 16285
  • city: Multiple warehouses
  • rating: 98.6%

general bearingmotorcycleiz:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Engine Bearings

shipping bearingmotorcycleiz:

  • class: Standard
  • transit: 4-8 Days
  • type: Fixed
  • cost: $0.00
  • service: Standard

payments bearingmotorcycleiz:

  • wallet: Apple-pay
  • credit card: Discover
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offer bearingmotorcycleiz:

  • quantity: 1
  • started: January 18, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

returns bearingmotorcycleiz:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: ss, for makes: polaris, for years: 1985-1986, type: top end bearing, compatible year: 1986 1985, bundle description: 1 pc genuine wiseco top end bearing, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > engine bearings, sku: 11479023089785632,
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