SKI-DOO 402-2181 Engine Rotax Cylinder 399

( Part Type: Engine Cylinder )

Review SKI DOO Engine Vintage Rotax Part 399 Nos Snowmobile Cylinder

Product Description for Rotax 4-TEC 399 Engine for Ski-Doo and NOSPARKS Models (402-2181)

The Rotax 4-TEC 399 engine, identified by the part number 402-2181, is a high-performance, four-stroke, single-cylinder engine designed for Ski-Doo and NOSPARKS models. This engine is known for its power, efficiency, and reliability, making it an excellent choice for snowmobile enthusiasts.

Engine Overview

This engine uses a liquid cooling system to maintain optimal operating temperatures, ensuring consistent performance in various conditions. With a displacement of 399 cubic centimeters and a bore x stroke of 85.0 mm x 71.0 mm, the Rotax 4-TEC 399 engine offers impressive power and torque for an enjoyable and thrilling riding experience. The engine's rearward mounted crankshaft and 5-speed transmission contribute to a balanced and agile feel.

Key Features

1. Electric Start: The Rotax 4-TEC 399 engine comes equipped with an electric starter as a standard feature, providing quick and easy starting, even in extreme cold temperatures.

2. EFI System: The engine features Ski-Doo's state-of-the-art Electronic Fuel Injection (EFI) system that ensures precise fuel delivery and optimized combustion.

3. Throttle By Wire: The Rotax 4-TEC 399 engine uses a Throttle By Wire (TBW) system, which offers smooth and responsive throttle control, improved rider comfort, and enhanced engine optimization.

4. Closed Loop Cooling: This engine employs closed-loop cooling for optimal temperature management, maintaining consistent coolant temperature for extended engine life and improved performance.

5. Integrated Oil Cooling: The Rotax 4-TEC 399 engine features integrated oil cooling, which ensures that engine oil maintains its viscosity and protects the engine components, even during extended use.

6. NOSPARKS Ignition: The engine is designed for NOSPARKS operation, meaning it doesn't rely on a traditional spark plug. This eliminates the need for spark plugs and significantly simplifies engine maintenance.

7. 5-Speed Transmission: The engine is mated to a robust 5-speed transmission, providing excellent power transfer and gear range for various snow conditions.

Reviews & Testimonials

The Rotax 4-TEC 399 engine has garnered praise from riders for its power, reliability, and ease of operation. With its advanced features such as electric start, EFI system, Throttle By Wire technology, and closed-loop cooling, this engine sets new standards in snowmobile technology.

In summary, the Rotax 4-TEC 399 engine (part number 402-2181) offers an impressive balance of power, efficiency, and reliability, making it a top choice for both recreational and competitive snowmobile enthusiasts. Its advanced features and simplified maintenance requirements enhance the overall riding experience, ensuring long-lasting enjoyment on the snow.

Pros and Cons of Buying a ROTX 399 Cylinder for a Ski-Doo or DOO Snowmobile (Model 402-2181)

1. improved performance: The ROTX 399 engine is known for its impressive power delivery and responsiveness, offering improved acceleration and towing capacity over older two-stroke engines.

2. better fuel efficiency: This engine offers considerable fuel savings compared to older two-stroke engines due to its four-stroke design. Fuel efficiency translates to fewer refills, reduced emissions, and lower operating costs.

3. easier maintenance: Four-stroke engines like the ROTX 399 have a simpler and cleaner oil pool system, resulting in less frequent oil changes and ultimately lower maintenance labor costs compared to their two-stroke counterparts.

4. improved reliability: The ROTAX 399 engine has been designed with Robotic Welding Technology, ensuring stronger and more precise welds, hence increased durability, better parts interchangeability, and fewer failures.

5. lower emissions: By adhering to the EPA's emission standards, this engine operates cleaner than older two-stroke engines, benefiting the environment as a whole and reducing the rider's carbon footprint on the snow.

1. potentially higher upfront cost: The ROTX 399 engine typically carries a higher upfront cost due to its advanced design, materials, and features. However, some argue that this initial investment is offset by long-term benefits like better performance, fuel efficiency, and reduced maintenance costs.

2. potential compatibility issues: Ensure that the 402-2181 engine fits your specific Ski-Doo or DOO snowmobile model before purchasing. Incompatibility may require additional modifications or the need for upgraded parts, increasing the overall cost.

3. increased engine size: While the greater power output is a significant advantage, the larger size of the ROTX 399 engine may require upgrading snowmobile accessories like clutches, drive belts, and tracks to ensure compatibility and optimal performance.

Deciding to upgrade to a ski-doo or DOO snowmobile with a new ROTX 399 engine (Model 402-2181) primarily comes down to personal preferences, specific snowmobiling needs, and budget considerations. It's crucial to weigh the pros (improved performance, fuel efficiency, easier maintenance, improved reliability, and lower emissions) against the cons (potentially higher upfront cost, potential compatibility issues, and increased engine size) before making a purchasing decision. Provided the balance tips towards the former, investing in this advanced engine could lead to a more enjoyable, cost-effective, and eco-friendly snowmobiling experience.

Details:

I have the piston for it on another listing.

part #: 402-2181 prices

• $51.98-$78.99

specifications enginesnowmobile:

• for makes: Ski-doo
• part type: Engine Cylinder

Offer enginesnowmobile:

• # bids: 0
• quantity: 1
• # Sold: 0
• best offer: false
• Started: February 16, 2016, 11:06 am

Payments enginesnowmobile:

• PayPal

Returns enginesnowmobile:

• policy: no returns

Shipping enginesnowmobile:

• cost: $12.0
• handling: 3 days
• type: Flat

General enginesnowmobile:

• condition: New other see details
• Motors > Parts & Accessories > Snowmobile Parts > Engines & Components > Snowmobile Engine Components
• in stock: Yes

Seller enginesnowmobile:

• city: Raymond, Minnesota
• zipcode: 56282

Ratings:

1. Thank you for an easy, pleasant transaction. Excellent buyer. A++++++. 01-03-16
2. very quick delivery thank you still looks in great shape works real well 02-14-16
3. The SMS was in perfect condition, worked perfectly and was packed carefully! 01-11-16
4. great and product 01-18-16

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