SKI-DOO 420084914 Engine Motor Block 4/5

( Brand: Ski-doo ), ( Manufacturer Part Number: 420084914 ), ( Type: Engine )

Review SKI DOO E tec Engine Motor Short Block New From Brp Gen fits 850

The Ski-Doo 420084914 850 E-TEC engine motor block is a key component of the Ski-Doo snowmobile engine, specifically designed for high performance and durability. This motor block is part of the 850 E-TEC engine, which is known for its advanced engineering and innovative design.

The motor block is made of a high-strength aluminum alloy, ensuring lightweight yet robust construction. Its design allows for efficient cooling, thanks to its large water jacket capacity and optimized water flow. This not only helps to maintain optimal engine temperature but also contributes to longer engine life.

The motor block features a precision-machined bore finish, ensuring accurate engine dimensions and optimal piston-to-wall clearance for improved engine efficiency and power output. It also includes a cast-in cylinder liner, which reduces the need for additional engine components, contributing to a more streamlined design and reduced weight.

The motor block is also designed with a wet sump oiling system, which ensures consistent lubrication of the engine components. This system uses an oil pump to pressurize the oil and circulate it throughout the engine, ensuring that all moving parts are adequately lubricated for optimal performance and extended engine life.

Additionally, the motor block includes a reinforced crankshaft bearing area, which helps to distribute engine forces evenly and reduce stress on the crankshaft. This results in improved engine durability and reliability, even under heavy usage.

Overall, the Ski-Doo 420084914 850 E-TEC engine motor block is a testament to Ski-Doo's commitment to engineering excellence and innovative design. Its high-strength construction, efficient cooling, precise bore finish, and advanced oiling system contribute to improved engine performance, durability, and longevity.

The Ski-Doo 420084914 850 E-TEC engine motor block is a crucial component of a Ski-Doo snowmobile. This engine block is known for its advanced technology and high performance. Here are some pros and cons of buying this engine motor block:

1. High Performance: The 850 E-TEC engine is known for its impressive power output and excellent throttle response. This engine block is designed to deliver top-notch performance.

2. Fuel Efficiency: The Ski-Doo 850 E-TEC engine is one of the most fuel-efficient engines in the market. This engine block is part of the reason why.

3. Durability: The engine block is made of high-quality materials and is designed to withstand the rigors of snowmobiling. It is built to last.

4. Reliability: The 850 E-TEC engine has a reputation for being reliable. This engine block is a key component of that reliability.

5. Advanced Technology: The engine block is equipped with the latest technology, including electronic fuel injection and closed-loop cooling.

1. Cost: The Ski-Doo 420084914 850 E-TEC engine motor block is a high-performance component, and it comes with a high price tag.

2. Availability: Replacement engine blocks may not be readily available in all areas, making it difficult for some riders to get their snowmobiles back on the trail quickly.

3. Complexity: The advanced technology of the engine block may make it more difficult to diagnose and repair any issues that arise.

4. Installation: Installing the engine block requires specialized knowledge and tools, making it a job best left to a professional mechanic.

In conclusion, the Ski-Doo 420084914 850 E-TEC engine motor block is a high-performance component that offers excellent fuel efficiency, durability, reliability, and advanced technology. However, it comes with a high price tag and may not be readily available in all areas. Additionally, its complexity may make it difficult to diagnose and repair any issues that arise.

Recommendation: If you are a serious snowmobiler who demands top performance and reliability from your snowmobile, then the Ski-Doo 420084914 850 E-TEC engine motor block is an excellent investment. However, if you are on a budget or prefer a simpler engine, then there may be other options that better suit your needs. Ultimately, the decision to purchase this engine block depends on your individual preferences and riding style.

Details:

Our part numbers are listed in ad. The condition of the bushings bearings are NOT warrantied with part and may need to be replaced. Please review all pictures to verify the condition of item. Ski-doo 850 E-tec Engine Motor Short Block Brand New From BRP Gen 4 5, This is a engine from taken out of the box to picture.

This ad is NOT for the sale of bushings or bearings. The part is USED and removed from a machine.

part #: 420084914 prices

• $1595.31-$2398.97

specifications enginesnowmobile:

• for models: 850
• for makes: Skidoo, Ski-doo
• brand: Ski-doo
• mpn: 420084914
• type: Engine

offer enginesnowmobile:

• sold: 0
• started: January 13, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

returns enginesnowmobile:

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

shipping enginesnowmobile:

• type: Fixed
• service: Standard
• cost: $0.00
• transit: 2-4 Days
• class: Standard

seller enginesnowmobile:

• city: Freeport, Minnesota
• rating: 99.9%
• # reviews: 27777

general enginesnowmobile:

• Snowmobile Parts > Engines Components > Complete Snowmobile Engines
• condition: Used

payments enginesnowmobile:

• credit card: Mastercard
• wallet: Google-pay
• other

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