1. Personal Watercraft Parts Products
  2. sku: 3413446264838621
  3. JE PISTONS 308635

JE PISTONS 308635 Waverunner Fx Svho Fzr Fzs Vxs 86.5MM 10.5 1.8

fits model: Ho, Vxr. make: Yamaha.

308635 Je Pistons 86.5mm 10.5 For Yamaha Waverunner 1.8 Fx Ho Sho Svho Fzr Fzs Vxr Vxs

( Brand: Je Pistons ), ( Manufacturer Part Number: 308635 ), ( Country/region Of Manufacture: United States )

Review JE PISTONS 86.5mm 10.5 For Yamaha Waverunner 1.8 Fx Sho Svho Fzr Fzs Vxs fits HO VXR

Introducing the Je Pistons 308635 86.5mm x 10.5 mm Waverunner piston kit, designed specifically for Yamaha models with the F1.8F, HO, SVHO, VXR, VXS, and FZR engines. These high-performance pistons are engineered to deliver exceptional power, durability, and reliability for your watercraft.

The piston kit consists of a complete set of four high-performance pistons, each promised to be crafted with the utmost precision. Each piston is made of a forged aluminum alloy, which is stronger and more durable than cast pistons. The forged construction ensures superior consistency in size and shape, reducing the chances of bore distortion and ensuring a perfect fit for your engine.

These pistons feature a flat top design, which is known for its superior combustion efficiency. The flat top design increases the effective compression area, resulting in improved power output and throttle response. In addition, the piston skirts are machined to a mirror finish, reducing friction and promoting smoother engine operation.

The pistons also come with a coated crown. This coating is designed to enhance durability and performance by reducing the heat transfer between the piston and the cylinder wall. This coating also helps to prevent detonation, ensuring consistent power delivery and reducing the risk of engine damage.

Each piston is also fitted with a piston pin and piston rings. The piston pins are made of high-strength steel, ensuring maximum durability, while the piston rings are designed to provide an optimal seal, preventing the loss of engine compression and ensuring maximum power output.

Finally, the pistons are designed to meet or exceed Yamaha OEM specifications, ensuring a perfect fit and optimal engine performance. Each piston kit is backed by Je Pistons' industry-leading warranty, giving you peace of mind and confidence in your purchase.

In conclusion, the Je Pistons 308635 86.5mm x 10.5 mm Waverunner piston kit is the ideal upgrade for any Yamaha F1.8F, HO, SVHO, VXR, VXS, or FZR enthusiast. The pistons' superior design, high-quality materials, and precise machining ensure unbeatable power, durability, and reliability, making this piston kit a must-have for any serious watercraft owner.

Pros and Cons of Buying Je Pistons 308635 for Yamaha Waverunner Models

1. Improved Engine Performance:

* Pro: Je Pistons 308635 are high-performance pistons designed specifically for Yamaha Waverunner 1.8 engines. They are engineered to improve combustion efficiency, resulting in increased horsepower and torque for better acceleration and top speed.

* Pro: The precision machining and JE's advanced engineering process ensure a reduction in engine knocking and detonation, allowing for a smoother, quieter ride.

2. Enhanced Durability:

* Pro: Je Pistons 308635 pistons are made of forged aluminum alloy that is significantly stronger than cast pistons. This enhanced strength ensures better durability and increased lifespan, reducing the need for frequent replacements.

* Pro: JE's pistons feature a strong, durable DLC (Diamond Like Carbon) coating on the skirt to minimize friction and wear, further increasing durability and reliability.

3. Customizable and Precision-Fit:

* Pro: Je Pistons offers custom pistons to fit specific Yamaha Waverunner models, including the 1.8 FX HO, SVHO, FZR, VXR, and VXS models, ensuring a precise fit and optimal engine performance.

* Pro: Customers have the ability to choose between various piston designs and specifications, such as compression ratio, ring size, and crown shape, to achieve desired performance level and engine character.

4. Heat Management:

* Pro: Je Pistons 308635 pistons feature a unique design, which includes a cooling g gallery, to help dissipate heat more efficiently. This is crucial for high-performance applications, as efficient heat management helps prolong engine life and limit performance losses.

5. limited Lifetime Warranty:

* Pro: Je Pistons offer a limited lifetime warranty on select high-performance pistons, including the 308635 series. This warranty covers any manufacturing defects and ensures customer satisfaction and peace of mind.

6. Higher Cost:

* Con: Je Pistons 308635 pistons are more expensive compared to OEM (original equipment manufacturer) pistons, which might be a drawback for those on a budget or have a limited budget for their boat upgrades.

7. Installation Complexity:

* Con: Installing high-performance aftermarket pistons like the Je Pistons 308635 can be a complex process that may require specialized skills, tools and expertise. Improper installation may result in engine damage, thus it's essential to carefully follow installation instructions or hire a professional to do it.

8. Compatibility with Other Engine Components:

* Con: When upgrading to high-performance pistons, it's important to ensure proper compatibility with other engine components such as rods, crankshaft, and cylinder walls. Failure to do so might result in instability or damage to the engine.

Conclusion:

In summary, Je Pistons 308635 offers significant advantages for Yamaha Waverunner owners seeking to improve their watercraft's engine performance and durability. The pistons provide better heat management, increased horsepower, enhanced reliability, and a customizable fit. However, the higher cost and potential complexities of installation should be taken into consideration before making a purchase. Ultimately, the decision to invest in these high-performance pistons depends on individual priorities, budget, and preferred level of engine upgrades.

Recommendation:

If your primary goal is to significantly enhance your Yamaha Waverunner's performance and durability, the Je Pistons 308635 series is a solid investment. However, make sure you have the necessary expertise and resources for installation or consult a professional technician. For those with more limited budgets, consider discussing possible engine upgrades or other alternatives with a knowledgeable marine mechanic.

Details:

Pin Brand: JE Pistons. Wisc Pistons with part number starting in KE. Set includes 4 Pistons, sets of rings, piston pins and clips all manufactured by JE Pistons. Oil Rail Support Included: No.

Piston Head Type: Inc Dome/Dish. Ring Brand: Pro Seal. Ringlet Included: Yes. Forging: Round.

Wrist Pin - floating or press fit: Floating. Pin Included: Yes. Retainer Lock Style: Wire

Bore mm: 86.5. Pin Offset: No. Bore in: 3.406. Top Compression Ring Thickness: 0.0400.

Wall Type: CHAMFERED.

part #: 308635 price

  • $865.00

specifications perwatercraft:

  • for models: Ho, Vxr
  • for makes: Yamaha
  • brand: Je Pistons
  • mpn: 308635
  • country/region of manufacture: United States

offer perwatercraft:

  • started: December 18, 2024
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 2

seller perwatercraft:

  • rating: 100.0%
  • # reviews: 11766
  • city: West Palm Beach, Florida

returns perwatercraft:

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

general perwatercraft:

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

shipping perwatercraft:

  • type: Fixed
  • carrier: USPS
  • service: USPS Ground Advantage
  • class: Standard
  • transit: 3-9 Days
  • cost: $12.00

payments perwatercraft:

  • other
  • wallet: Google-pay
  • credit card: Discover
for models: ho, vxr, for makes: yamaha, country/region of manufacture: united states,
category: watercraft parts > parts, sku: 3413446264838621,

Je Pistons 308635 Is Similar To:

perwatercraft logo
1 offer $865.00 USD
  • Offer #1: $865.00 price + $12.00 shipping estimate = $877.00* total. Bore (in): 3.406 Bore (mm): 86.5 Top Compression Ring Thickness: 0.0400 Second Compression Ring Thickness: 0.0480 Oil Ring Thickness: 0.111 Forging: Round Volume (cc): -8.60 Piston Head Type: Inv Dome/Dish Pin Diameter (IN): 0.866 Compression Height: 1.291 Wrist Pin Style - floating or press fit: Floating Wall Type: CHAMFERED Wall Thickness (IN): 0.170 Ringset Part Number: JG1001-3405 Ring Brand: ProSeal Ringset Included: Yes Retainer Thickness: 0.063 Retainer Lock Style: Wire Lock Retainer Lock Part Number: 866-063-MW Retainer Diameter (IN): 0.866 Replacement Single Piston: S Piston Pin Inside Diameter: 0.526 Piston Pin Material: H13 TOOL STEEL ALLOY Piston Material: 2618 Piston Pin Length (IN): 2. Set includes 4 pistons, 4 sets of rings, 4 piston pins and clips all manufactured by JE Pistons.+$12.00 shipping

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