YAMAHA 8A6-11635-01-00 Piston

( Manufacturer Part Number: 8A6-11635-01-00 ), ( Part Type: Piston ), ( Country/region Of Manufacture: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: B7 Challenger-n Buk 39 )

Review YAMAHA Piston fits EX340 EX440

The Yamaha 8A6-11635-01-00 EX340 and EX440 pistons are high-performance components designed for use in Yamaha outboard engines. These pistons are engineered to deliver superior power and efficiency, making them an excellent choice for boat owners seeking to optimize the performance of their watercraft.

The EX340 piston is specifically designed for use in the Yamaha 2.8L 16-valve V6 225HP and 250HP outboard engines. This piston features a compact and lightweight design, with a diameter of 3.40 inches and a stroke length of 3.38 inches. The piston skirt is designed with a cutting-edge scrape ring technology, which minimizes friction and reduces wear, resulting in longer piston life and improved engine reliability. The piston crown is engineered to optimize combustion efficiency, allowing for a more complete burn of fuel and an increase in horsepower output.

The EX440 piston, on the other hand, is designed for use in the Yamaha 4.2L 24-valve V8 300HP and 350HP outboard engines. This piston has a larger diameter of 4.40 inches and a stroke length of 3.38 inches. The EX440 piston also utilizes the same advanced scrape ring technology as the EX340 piston, ensuring minimal friction and reduced wear. The piston crown is optimized for high-performance combustion, allowing for efficient fuel burn and maximum horsepower output.

Both the EX340 and EX440 pistons are manufactured using Yamaha's proprietary manufacturing processes, ensuring precise dimensions and exceptional quality. These pistons are also designed to be compatible with other Yamaha performance enhancement parts, such as the Exhaust Manifold and Intake Manifold, allowing for even greater engine performance.

In summary, the Yamaha 8A6-11635-01-00 EX340 and EX440 pistons are high-performance components designed for use in Yamaha outboard engines. These pistons are engineered to deliver superior power and efficiency, with advanced scrape ring technology minimizing friction and reducing wear, and optimized piston crowns ensuring efficient combustion and maximum horsepower output. Whether you're looking to boost the performance of your 225HP, 250HP, 300HP, or 350HP Yamaha outboard engine, these pistons are an excellent choice.

Pros and Cons of Buying Yamaha 8A6-11635-01-00 EX340 and EX440 Pistons

The Yamaha 8A6-11635-01-00 EX340 and EX440 pistons are popular choices for those seeking high-performance upgrades for their Yamaha engines. Let's examine the advantages and disadvantages of investing in these pistons.

1. Enhanced Power: These aftermarket pistons are designed to provide increased power and torque, making them an excellent choice for those looking to boost their engine's performance.

2. Improved Durability: Yamaha's EX340 and EX440 pistons are engineered using high-quality materials, such as forged aluminum alloy, ensuring improved durability and longevity.

3. Better Thermal Conductivity: The pistons feature improved thermal conductivity, which helps dissipate heat more efficiently, reducing the risk of engine overheating and potential damage.

4. Enhanced Compatibility: These aftermarket pistons are designed to fit seamlessly into Yamaha engines, ensuring a precise fit and eliminating the need for extensive engine modifications.

5. OEM-Quality Manufacturing: Yamaha is a well-known and reputable brand in the motorcycle industry, and these pistons are manufactured to OEM standards, ensuring consistent quality and reliability.

1. Cost: Aftermarket pistons, such as the Yamaha 8A6-11635-01-00 EX340 and EX440, can be more expensive than stock pistons. This may be a consideration for those on a tight budget.

2. Installation Complexity: Installing aftermarket pistons can be a more complex process than installing stock pistons. It may be necessary to hire a professional mechanic or engine builder to ensure proper installation and tuning.

3. Potential Weight Increase: The forged aluminum alloy used in the pistons may result in a slight weight increase compared to stock pistons. This could impact overall engine performance and fuel efficiency, depending on the specific application.

The Yamaha 8A6-11635-01-00 EX340 and EX440 pistons offer several advantages, such as increased power, improved durability, better thermal conductivity, and enhanced compatibility. However, they also come with some disadvantages, including a higher cost, installation complexity, and potential weight increase. Ultimately, the decision to purchase these pistons depends on an individual's specific requirements, budget, and priorities.

If you're looking to maximize the performance of your Yamaha engine and are willing to invest in high-quality aftermarket parts, the Yamaha 8A6-11635-01-00 EX340 and EX440 pistons are an excellent choice. However, if cost and installation complexity are concerns, you may want to consider other options or consult with a professional mechanic to determine the best solution for your needs.

Details:

Yamaha MX / ATV. Spotlight A Day Inside Promo - YouTube. QUICKSILVER QUICKFIT 803348 VOLVO CLAMP S/S 38MM QTY 5. Yamaha Cruisers.

part #: 8a6116350100 prices

• $40.00-$69.99

specifications enginesnowmobile:

• for models: Ex340, Ex440
• for makes: Yamaha
• mpn: 8a6-11635-01-00
• part type: Piston
• country/region of manufacture: United States
• manufacturer warranty: Unspecified Length
• storage location: B7 Challenger-n Buk 39

seller enginesnowmobile:

• city: Odessa, Florida
• rating: 98.4%
• # reviews: 174494

general enginesnowmobile:

• condition: New other see details
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

shipping enginesnowmobile:

• transit: 3-8 Days
• cost: $0.00
• carrier: FedEx, USPS
• service: FedEx Ground or FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight
• type: Fixed
• class: Standard, Expedited, One-day

offer enginesnowmobile:

• availability: In Stock
• started: February 12, 2025
• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1

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• wallet: Paypal
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returns enginesnowmobile:

• time: 30 Days
• paid by: Buyer
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