1. Pistons, Rings & Piston Kits Products
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  3. WISECO 4674M08750

WISECO 4674M08750 Piston Kit 87.50

fits make: Yamaha.

4674m08750 Wiseco Piston Kit - 87.50 Mm Yamaha

( Brand: Wiseco ), ( Manufacturer Part Number: 4674M08750 ), ( Part Type: Piston )

Review WISECO Piston Kit 87.50mm Yamaha

Introducing the WiseCo 4674M08750 piston kit, specifically designed for Yamaha engines with an 87.50mm bore size. This piston kit is an excellent choice for those seeking top-tier performance, reliability, and durability in their engine components.

The pistons in this kit are meticulously engineered using high-quality forged aluminum alloy. The forging process ensures a strong and uniform structure, ensuring optimal piston-to-wall clearance and reduced thermal expansion. The piston crowns are designed with a precise dish and dome shape, which provides superior combustion efficiency and power output. Each piston is also equipped with a nitrided skirt to enhance the piston's lifespan and reduce friction with the cylinder wall.

The piston kit includes matching piston rings, which are crucial for sealing the combustion chamber effectively. The rings are made from heat-resistant, high-tensile steel alloy, ensuring a tight seal even under extreme temperatures and pressures. The rings are also precision-manufactured to ensure proper fitment and minimal compressive force required during installation.

Additionally, the piston kit comes with an upgraded wrist pin design, featuring a larger diameter and improved pin retention. This design helps to reduce wrist pin bending and ensures optimal piston-to-crankshaft connection, resulting in increased power and durability.

Lastly, the WiseCo 4674M08750 piston kit is backed by a comprehensive warranty, giving you peace of mind and confidence in your investment. Each component in the kit is inspected and tested to meet the highest standards, ensuring a perfect fit and flawless performance.

In summary, the WiseCo 4674M08750 piston kit is a top-tier performance upgrade for Yamaha engines with an 87.50mm bore size. With its forged aluminum pistons, high-quality piston rings, upgraded wrist pin design, and comprehensive warranty, this kit delivers unmatched power, reliability, and durability.

The Wisesco 4674M08750 piston kit is a popular aftermarket option for Yamaha motorcycle owners. Here are some pros and cons to help you make an informed decision about purchasing this kit.

Pros:

1. Cost-effective: The Wisesco piston kit is often more affordable compared to OEM (Original Equipment Manufacturer) pistons from Yamaha.

2. Performance: Many users report improved engine performance after installing this piston kit.

3. Durability: Wisesco pistons are forged, which makes them stronger and more resilient to the rigors of motorcycle riding.

Cons:

1. Installation: Installing aftermarket pistons can be a complex process and may require specialized tools and knowledge.

2. Quality concerns: Some users have reported issues with the quality of the Wisesco piston kit, such as incorrect bore size or poor finishing.

3. Compatibility: Make sure that the Wisesco piston kit is compatible with your specific Yamaha motorcycle model and engine size before purchasing.

Conclusion:

The Wisesco 4674M08750 piston kit offers cost savings and potential performance improvements for Yamaha motorcycle owners. However, the installation process can be complex, and there are potential quality concerns. It is essential to ensure that the kit is compatible with your motorcycle and to purchase it from a reputable dealer. Ultimately, the decision to buy this piston kit depends on your budget, technical expertise, and desired outcome.

Recommendation:

If you're confident in your mechanical abilities and comfortable with the installation process, the Wisesco piston kit could be a cost-effective option to enhance your motorcycle's performance. However, if you're unsure about the installation or have concerns about quality, it might be worth considering an OEM piston kit or seeking professional assistance.

Details:

part #: 4674m08750 prices

  • $165.99-$210.95

specifications pistondon:

  • for makes: Yamaha
  • brand: Wiseco
  • mpn: 4674m08750
  • part type: Piston

offer pistondon:

  • sold: 0
  • started: September 9, 2025
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock

seller pistondon:

  • # reviews: 3902
  • rating: 99.6%
  • city: Charlestown, Massachusetts

general pistondon:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits

payments pistondon:

  • other
  • wallet: Paypal
  • credit card: Discover

shipping pistondon:

  • cost: $2.50
  • type: Fixed
  • transit: 2-4 Days
  • carrier: USPS
  • class: Economy
  • service: USPS Media Mail

returns pistondon:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for makes: yamaha, part type: piston,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 8142532424328641,

Wiseco 4674M08750 Is Similar To:

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5 offers $165.99–$210.95 USD
  • Offer #1: $189.99 price + $0.00 shipping estimate = $189.99* total. Yamaha XT350 1985. 87.50mm 9:1 Compression 352cc Motorcycle Piston Kit.FREE SHIPPING
  • Offer #2: $165.99 price + $0.00 shipping estimate = $165.99* total. Note: Image for reference only. Wrist Pins are included unless noted.FREE SHIPPING
  • Offer #3: $210.95 price + $0.00 shipping estimate = $210.95* total. Racer's Choice: Pistons are single-ring 2-Stroke or two ring 4-Stroke; reduced product weight and friction with increased power and throttle response; Service intervals may be increased over conventional Wiseco Pistons.FREE SHIPPING
  • Offer #4: $175.70 price + $0.00 shipping estimate = $175.70* total. Color 1.50mm Oversize to 87.50mm, 9.1 Compression. Wiseco Piston Kit 1.50mm Oversize to 87.50mm, 9.1 Compression.FREE SHIPPING
  • Offer #5: $149.39 price + $0.00 shipping estimate = $149.39* total. 1x WISECO 3445XC 87.50mm PISTON RING SET. WISECO PART NUMBER:.FREE SHIPPING

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