fits model: 850. make: Skidoo, Ski-doo.

( Brand: Ski-doo ), ( Manufacturer Part Number: 420812688 ), ( Part Type: Engine )
The Ski-Doo 850 engine, model number 420812688, is a powerful and efficient engine designed specifically for use in snowmobiles from Ski-Doo. This engine is part of Ski-Doo's renowned Rotax engine lineup and is known for its impressive performance and reliability.
The Ski-Doo 850 engine is a 2-stroke, twin-cylinder engine that utilizes a closed-loop carburetor system. It features a displacement of 850cc and a battery-less ignition system. This engine is designed to deliver optimum power and torque throughout the entire powerband, making it an excellent choice for riders who demand high performance from their snowmobile.
The engine's advanced engineering includes a forged crankshaft, forged pistons, and a high-performance cylinder head. These features contribute to the engine's durability and ability to handle the demands of snowmobiling. The engine also incorporates an EFI (Electronic Fuel Injection) system, which delivers precise fuel delivery for optimal combustion and improved fuel economy.
Additionally, the Ski-Doo 850 engine features a nearly maintenance-free design. It includes a number of features that help to reduce maintenance requirements, such as an automatic decompressor, a simplified air filter system, and a centrifugal oil pump. These features help to make owning and operating a snowmobile powered by this engine a more convenient and hassle-free experience.
The Ski-Doo 850 engine is also designed with the environment in mind. It meets SFI 3-11 emissions standards and includes several features that help to reduce its carbon footprint, such as a catalytic converter and an integrated cooling system.
In summary, the Ski-Doo 850 engine, model number 420812688, is a high-performing and durable engine designed for use in snowmobiles. Its advanced engineering and nearly maintenance-free design make it an excellent choice for riders who demand top performance and convenience from their snowmobile. Additionally, its focus on reducing emissions makes it an environmentally-friendly choice.
The Ski-Doo 420812688, also known as the 850 E-TEC engine, is a popular choice for those in the snowmobiling community. This engine offers various advantages and disadvantages, which are essential to consider before making a purchase.
Advantages:1. High Power and Performance: The 850 E-TEC engine delivers impressive power, offering 85 horsepower to riders. This level of power translates to better acceleration, improved hill-climbing capabilities, and quicker response times.
2. Fuel Efficiency: The engine is designed to be fuel-efficient, utilizing state-of-the-art technology such as Direct Fuel Injection and an Advanced Cooling System. These features lead to less fuel consumption and reduced emissions.
3. Dependable Cold-Weather Performance: This engine excels in colder conditions, providing smooth performance even in temperatures below 0 F (-18 C).
4. Low Emissions: The 850 E-TEC engine meets both SAE and EU emissions standards, making it an eco-friendly option for snowmobilers whenever possible.
5. Easy Maintenance: The engine is designed with compact components, making maintenance simpler and less time-consuming than previous models.
Disadvantages:1. High Cost: The 850 E-TEC engine comes with a relatively high price tag compared to other snowmobile engines. This cost can be off-putting for budget-conscious buyers.
2. Complexity: The engine's advanced technology may require more expertise to troubleshoot and repair compared to simpler engines.
3. Limited Availability: This engine is only available in certain Ski-Doo models and may not be accessible to those who prefer other brands or model variations.
Conclusion:The Ski-Doo 850 E-TEC engine offers substantial advantages, such as high power and performance, fuel efficiency, cold-weather dependability, low emissions, and easy maintenance. Nevertheless, it also comes with disadvantages, including a high cost, complexity, and limited availability. Ultimately, the decision to buy this engine depends on various factors, such as personal budget, riding preferences, and the priority of various features when purchasing a snowmobile.
Recommendation:Those who prioritize top-tier power, fuel efficiency, and advanced features are likely to benefit the most from the Ski-Doo 850 E-TEC engine. For those with budget constraints, considering alternative engines or used snowmobiles might be a worthwhile option. It's essential to weigh the advantages and disadvantages carefully and consult with a knowledgeable salesperson or technician to make an informed decision.
Shipped with USPS Ground Advantage. Condition is Used. Skidoo 850 Engine Support.