YAMAHA 8EK-11311-00 Viper Cylinders

( Manufacturer Part Number: 8EK-11311-00 ), ( Part Type: Cylinder )

Review YAMAHA Viper Cylinders fits SX 700

The Yamaha SX Vitper 700 is a powerful and versatile snowmobile engine designed for high-performance riding experiences. This engine is specifically known for its 850cc, twin-cylinder layout, which delivers impressive torque and smooth power delivery. The cylinders (model number 8ek-11311-00) are a crucial component of this engine, responsible for converting fuel into mechanical energy.

These cylinders are made of durable aluminum alloy, which not only reduces the overall weight of the engine but also provides excellent heat dissipation. The cylinder bore measures 90mm x 86.2mm, and each cylinder features four valves operated by a DOHC (Double Overhead Camshaft) system. This design allows for optimal intake and exhaust flow, resulting in enhanced power and efficiency.

Each cylinder comes with a high-performance forged piston that ensures reliable operation under extreme conditions. The piston's skirt is designed with a special coating that reduces friction, thereby minimizing power loss and improving overall engine performance. The cylinder head is equipped with a high-performance exhaust port design, which optimizes the scavenging effect, ensuring efficient exhaust gas expulsion.

Additionally, the Yamaha SX Viper 700 cylinders feature a wet-sump lubrication system that ensures consistent oil supply to all engine components, even under high RPMs and extreme temperatures. The cylinders also come with a high-flow intake system, which ensures ample air supply for efficient combustion.

The 8ek-11311-00 cylinders are designed to meet strict emission standards, making them an excellent choice for snowmobilers who value both power and environmental responsibility. These cylinders are also compatible with various aftermarket modifications, allowing enthusiasts to customize their engines for even greater performance. Overall, the Yamaha SX Viper 700 cylinders are a high-quality and reliable component that delivers impressive power and efficiency, making them an excellent investment for any serious snowmobiler.

Pros and Cons of Buying Yamaha 8 Ek-11311-00 SX Viper 700 Cylinders

The Yamaha 8 Ek-11311-00 SX Viper 700 cylinders are a popular choice for those seeking high-performance engines for their watercraft. In this analysis, we will discuss the key advantages and disadvantages of investing in these cylinders.

1. High-Performance Engine: The Yamaha SX Viper 700 cylinders deliver impressive power and torque, making your watercraft faster and more agile.

2. Fuel Efficiency: These cylinders offer improved fuel economy compared to other high-performance engines, saving you money in the long run.

3. Durable Design: Yamaha's engine technology ensures that the cylinders are built to last, with features like forged pistons, durable cylinder liners, and robust connecting rods.

4. Easy Maintenance: The cylinders are designed for ease of maintenance, with features like simple oil changes and easily accessible components.

5. Versatile Applications: These cylinders can be used on various watercraft models, making them a versatile choice for boaters and jet skiers.

1. Higher Upfront Cost: The Yamaha SX Viper 700 cylinders come with a higher price tag compared to standard engines, which could be a barrier for some buyers.

2. Complex Installation: Installing these high-performance cylinders may require professional assistance, adding to the overall cost of the upgrade.

3. Increased Noise Level: The increased power of the engine may result in a louder operating noise compared to standard engines.

4. Enhanced Emissions: While fuel efficiency has improved, these high-performance cylinders may still produce higher emissions compared to standard engines.

The Yamaha 8 Ek-11311-00 SX Viper 700 cylinders are an excellent investment for those who prioritize high-performance and versatility in their watercraft. Although they come with a higher upfront cost and more complex installation process, the benefits of improved fuel efficiency, durability, and easy maintenance outweigh the disadvantages for many boaters and jet skiers. Ultimately, the decision to purchase these cylinders depends on your individual priorities and budget.

If you are in the market for high-performance watercraft cylinders and have the budget for it, the Yamaha 8 Ek-11311-00 SX Viper 700 cylinders are a solid recommendation. Their impressive power output, fuel efficiency, and durable design make them a worthwhile investment for serious boaters and jet skiers. However, if you are on a tighter budget or prefer a more standard engine, there are other, more affordable options available. It's essential to weigh the pros and cons and determine which engine best fits your needs and budget.

Details:

Built with quality and precision, these Yamaha cylinders are sure to enhance the performance reliability of your snowmobile. These cylinders, with manufacturer part number 8ek-11311- are essential components of the engine that work together to produce power and performance needed for optimal snowmobile operation. The Yamaha SX Viper 700 cylinders are genuine parts manufactured by Yamaha, designed specifically for use in snowmobile engines.

part #: 8ek1131100 prices

• $189.99-$539.99

specifications enginesnowmobile:

• for models: Sx, 700
• for makes: Yamaha
• mpn: 8ek-11311-00
• part type: Cylinder

seller enginesnowmobile:

• # reviews: 679
• rating: 100.0%
• city: Cook, Minnesota

general enginesnowmobile:

• condition: Remanufactured
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

offer enginesnowmobile:

• quantity: 3
• sold: 0
• started: July 23, 2025
• options: Ship-to-home
• availability: In Stock

returns enginesnowmobile:

• policy: No Returns

shipping enginesnowmobile:

• cost: $20.95
• type: Calculated
• service: USPS Priority Mail, UPS Ground Saver
• transit: 3-9 Days
• carrier: USPS, UPS
• class: Expedited, Economy

payments enginesnowmobile:

• wallet: Apple-pay
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• credit card: Visa

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