1. Personal Watercraft Parts Products
  2. sku: 10935480985356793
  3. JE PISTONS 308633

JE PISTONS 308633 Forged Fx Svho 86.5MM 0.5MM 20.60 8.6

fits make: Yamaha. year: 2008–2021.

308633 Je Pistons Forged Yamaha Fx Sho Svho 2008-2021 86.5mm 0.5mm -20.60 Cc 8.6 1

( Brand: Je Pistons ), ( Manufacturer Part Number: 308633 ), ( Engine Codes: Sho 1.8l, Svho 1.8l ), ( Type: Piston )

Review JE PISTONS Forged Yamaha Fx Sho Svho 86.5mm 0.5mm 8.6 fits 2008–2021

Introducing the JE Pistons 308633 forged piston kit, specifically designed for Yamaha FX SVHO models from 2008 to 2021. This piston kit is an excellent upgrade for those seeking superior engine performance and reliability.

The JE Pistons 308633 kit comes with four forged pistons, each featuring an 86.5mm bore and a 0.5mm overbore. These pistons are meticulously crafted using JE's proprietary forging process, ensuring exceptional strength and durability. The forged pistons provide improved piston-to-liner contact, reducing friction and heat, ultimately resulting in better engine efficiency and longer engine life.

Each piston in the JE Pistons 308633 kit includes a dished top design, which provides improved combustion efficiency by creating a larger effective compression height. This design is particularly beneficial for high-performance applications, allowing for increased power output and better throttle response.

The piston skirts are designed with a full-length, oil-cooled gudgeon pin, ensuring optimal piston-crankshaft contact and reducing friction. This feature also helps to dissipate heat, keeping the piston cool and reducing the risk of piston scuffing and damage.

This piston kit includes piston rings that are specifically designed for high-performance applications. The top ring is a compressive-type ring, while the second ring is an oil control ring. These rings are precision-manufactured from high-quality materials and are designed to provide optimal sealing and ring grip, ensuring efficient combustion and reduced engine blowby.

The JE Pistons 308633 forged piston kit is a high-quality upgrade for Yamaha FX SVHO 2008-2021 models. This kit not only provides improved engine performance and reliability but also delivers enhanced durability and longevity, making it an excellent investment for any jet ski enthusiast.

Buying JE Pistons 308633 forged pistons for a Yamaha FX SHO 2008-2021 with an 86.5mm bore and 0.5mm compression height can be a consideration for those seeking high-performance upgrades for their watercraft engine. Here are some potential pros and cons related to this purchase:

Pros:

1. Forged pistons are generally stronger and more durable than stock pistons, making them suitable for high-performance applications.

2. JE Pistons is a well-known and reputable brand in the performance aftermarket industry, which may provide peace of mind regarding product quality and reliability.

3. Upgrading to forged pistons can potentially lead to increased engine power and torque, improving overall performance.

4. The pistons may be a direct replacement for the stock pistons, making the installation process relatively straightforward.

Cons:

1. Forged pistons are typically more expensive than stock pistons, which may be a significant investment for some buyers.

2. Installing aftermarket pistons may require specialized tools and expertise, which could add to the overall cost and complexity of the project.

3. Upgrading to forged pistons may not provide noticeable performance gains for all applications, and the potential benefits may depend on other engine modifications and the specific usage of the watercraft.

Ending Conclusion:

When considering purchasing JE Pistons 308633 forged pistons for a Yamaha FX SHO 2008-2021, it's essential to weigh the potential benefits against the costs and complexities of the installation process. For those seeking high-performance upgrades and are willing to invest in the project, the potential power and durability gains may outweigh the costs. However, for those with more modest performance goals, the expense and installation complexities may not be worth the investment. Ultimately, the decision to purchase forged pistons depends on individual preferences, budget, and expectations for the performance improvements.

Recommendation:

If you're looking for a significant performance boost and are willing to invest in the project, JE Pistons 308633 forged pistons may be a worthwhile investment for your Yamaha FX SHO 2008-2021. However, if you're unsure about the benefits and costs of the upgrade, it may be prudent to consult with a performance specialist or experienced installer to help determine if this is the right upgrade for your specific application. Additionally, consider researching other potential performance upgrades and their costs to ensure that you're making an informed decision.

Details:

Pins, pin fitment, lock and rings included. Dome/Dish features smooth flowing radii and require no debarring or preparation. Car model: FX SHO / SVHO. Machined from 2618 T6 high tensile forged aluminum.

JE Forged Pistons Yamaha FX SHO SVHO 2008 2021 86.5mm 0.5mm -20.60 cc 8.6:1. Useful Links. JE has lead the Piston market since very beginning. Years: 2008 2015 FX SHO / 2014 2021 SVHO.

Bore Hone, set of 4, These Pistons are 0.020 Over Size.

specifications perwatercraft:

  • for makes: Yamaha
  • for years: 2008-2021
  • brand: Je Pistons
  • mpn: 308633
  • engine codes: Sho 1.8l, Svho 1.8l
  • type: Piston

general perwatercraft:

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

returns perwatercraft:

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

shipping perwatercraft:

  • transit: 2-6 Days
  • carrier: UPS
  • cost: $0.00
  • service: UPS Ground, UPS Next Day Air Saver
  • type: Calculated
  • class: Standard, One-day

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offer perwatercraft:

  • availability: In Stock
  • started: February 26, 2026
  • best offers: True
  • sold: 0
  • quantity: 1
  • options: Ship-to-home

seller perwatercraft:

  • city: Sanford, Florida
  • # reviews: 42468
  • rating: 99.9%
for makes: yamaha, for years: 2008-2021, engine codes: sho 1.8l, svho 1.8l, type: piston,
category: watercraft parts > parts, sku: 10935480985356793,

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