1. Personal Watercraft Parts Products
  2. sku: 9493034606620663
  3. WSM 010-870-04K

WSM 010-870-04K Piston 779421470579 KIT-YAMAHA-1000-.25MM

010-870-04k Wsm Wsm-piston Kit-yamaha-1000-.25mm Over

( Brand: Wsm ), ( Manufacturer Part Number: 010-870-04K ), ( Part Type: Piston ), ( UPC: 779421470579 )

Review WSM piston Kit-yamaha-1000-.25mm Over

WSM-Piston Kit for Yamaha WaveRunner 1000 (010-870-04K)

The WSM 010-870-04K WSM-Piston Kit is an essential upgrade for Yamaha WaveRunner 1000 model jet skis. This piston kit is meticulously engineered to enhance the performance, reliability, and longevity of your watercraft's engine.

The WSM pistons are manufactured using a state-of-the-art forging process that ensures superior strength, durability, and precision. Each piston is crafted from a high-strength alloy material, providing increased compression and improved power output. The piston tops are designed with a optimized dish profile, ensuring efficient combustion and reduced engine heat.

The WSM piston kit also includes rings that are specifically engineered for high-performance marine applications. These rings are made from a nitrided material, which reduces friction and provides excellent sealing properties. The kit includes compression rings, oil control rings, and skirt rings, ensuring a complete piston ring set for your Yamaha WaveRunner 1000 engine.

The piston kit's wrist pins are made from heat-treated chrome molybdenum steel, providing superior strength and durability. The wrist pins are also coated with a Teflon coating, reducing friction and providing excellent wear resistance.

The WSM-Piston Kit is designed to be a direct fit for Yamaha WaveRunner 1000 engines, making installation straightforward and hassle-free. Each kit includes all necessary hardware for installation, ensuring a complete and easy installation process.

By upgrading to the WSM 010-870-04K WSM-Piston Kit, you can expect improved engine performance, increased reliability, and extended engine life for your Yamaha WaveRunner 1000. This piston kit is an investment in the long-term health and enjoyment of your jet ski.

WSM 010-870-04K WSM-Piston Kit for Yamaha 1000cc Engines: A Comprehensive Analysis

The WSM 010-870-04K WSM-Piston Kit is a popular aftermarket option for those looking to upgrade their Yamaha 1000cc engines. In this analysis, we will discuss the key features, benefits, and potential drawbacks of this piston kit.

Features and Benefits:

1. High-Quality Materials: The pistons are made of forged aluminum alloy, ensuring durability and strength. The piston rings are made of chrome molybdenum material, which offers excellent wear resistance and sealing ability.

2. Enhanced Performance: This piston kit can help improve engine performance by increasing power output and torque. The thicker piston rings can also help reduce compression losses, leading to better fuel efficiency.

3. Precision Manufacturing: The pistons are manufactured using state-of-the-art CNC machinery, ensuring precise dimensions and tolerances. This results in a perfect fit and optimal engine performance.

4. Affordable Upgrade: Compared to OEM pistons, aftermarket options like the WSM 010-870-04K can offer significant cost savings while still delivering excellent performance.

Potential Drawbacks:

1. Installation Complexity: Installing aftermarket pistons can be a complex process that requires specialized tools and expertise. It's essential to ensure that the installation is done correctly to avoid any potential issues.

2. Compatibility: This piston kit is specifically designed for Yamaha 1000cc engines. It may not be compatible with other engine models or versions.

3. Warranty: Aftermarket parts like this piston kit may not come with the same level of warranty coverage as OEM parts. It's crucial to check with the manufacturer regarding their warranty policies.

Conclusion:

The WSM 010-870-04K WSM-Piston Kit for Yamaha 1000cc Engines offers several benefits, including improved performance, high-quality materials, and affordability. However, it also comes with potential drawbacks such as installation complexity and compatibility concerns. Ultimately, the decision to purchase this piston kit depends on your specific needs, budget, and technical expertise. If you're comfortable with the installation process and understand the potential risks, this piston kit can be an excellent upgrade for your Yamaha engine.

Recommendation:

For those considering purchasing the WSM 010-870-04K WSM-Piston Kit, it's recommended to thoroughly research the installation process and ensure that you have the necessary tools and expertise. Additionally, consider purchasing the kit from a reputable dealer to ensure authenticity and quality. Lastly, weigh the potential benefits against the risks and consider your budget before making a final decision.

Details:

Piston Kit: 010-870-04K .25MM Over 74.15mm Bore. Fits: YAMAHA 1000. Most pistons come in .25mm increments from stock or standard bore up to 1mm oversize. Piston Kits Include: 1 Piston, Ring Set, Wrist Pin, 1pr Cir clips.

Made to exact OEM specifications.

part #: 01087004k prices

  • $91.31-$111.77

specifications perwatercraft:

  • brand: Wsm
  • mpn: 010-870-04k
  • part type: Piston
  • upc: 779421470579

shipping perwatercraft:

  • carrier: USPS
  • transit: 6-12 Days
  • class: Standard
  • type: Fixed
  • service: USPS Ground Advantage
  • cost: $0.00

offer perwatercraft:

  • started: November 29, 2025
  • quantity: 10
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

returns perwatercraft:

  • time: 60 Days
  • paid by: Seller
  • policy: Returns Accepted

payments perwatercraft:

  • credit card: Visa
  • wallet: Paypal
  • other

general perwatercraft:

  • condition: New
  • Parts Accessories > Personal Watercraft Parts > Other Parts

seller perwatercraft:

  • city: Yorktown, Virginia
  • rating: 99.7%
  • # reviews: 148119
part type: piston,
category: watercraft parts > parts, sku: 9493034606620663,

Wsm 010-870-04K Is Similar To:

perwatercraft logo
4 offers $91.31–$111.77 USD
  • Offer #1: $91.31 price + $0.00 shipping estimate = $91.31* total. Most pistons come in .25mm increments from stock or standard bore up to 1mm oversize Piston Kit: .25MM Over 74.15mm Bore.FREE SHIPPING
  • Offer #2: $93.92 price + $0.00 shipping estimate = $93.92* total. Yamaha FX 140 1000 2004. WSM Yamaha 1000 FX Piston Kit.FREE SHIPPING
  • Offer #3: $111.77 price + $12.50 shipping estimate = $124.27* total. OEM Cross Reference 60E-11631-00-B0.+$12.50 shipping
  • Offer #4: $111.77 price + $10.50 shipping estimate = $122.27* total. WSM Piston Kit; Yamaha 1000 FX / AR / SR 02-08 .25mm Over Cross Reference: 60E-11631-00-B0.+$10.50 shipping

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