fits model: 400. make: Ski-doo.

( Part Type: Fan Head Cylinder Engine )
The Rotax 400 heads cylinder fan is a crucial component designed specifically for the Ski-Doo models with engines numbered 913991 and 913996. This fan ensures optimal cooling performance for your snowmobile engine, enabling it to operate efficiently during long rides in various weather conditions.
Design and Construction:The Rotax 400 heads cylinder fan boasts an elegant and robust design, crafted to meet the demanding requirements of high-performance snowmobiles. The fan housing is made from durable materials, ensuring longevity and resistance to the extreme conditions typically encountered on the snow. The fan blades are meticulously engineered for maximum airflow and cooling efficiency.
Functionality:The fan functions using thermostatically controlled electric clutch. This means that it engages only when necessary, preserving battery life and minimizing unnecessary wear and tear. When the engine temperature reaches the predetermined threshold, the fan is activated, drawing cool air through the engine to maintain an optimal operating temperature.
Installation:Installing the 400 heads cylinder fan on a Ski-Doo 913991 or 913996 engine is a relatively straightforward process, requiring no major modifications or additional tools. The fan is a direct replacement, ensuring a quick and hassle-free upgrade. Plug-and-play compatibility simplifies the installation process further, allowing you to get back on the snow with minimal downtime.
Maintenance:Regular maintenance of the Rotax 400 heads cylinder fan is important to ensure proper function and extend its lifespan. After each use, clean any accumulated snow or debris from the fan blades using a soft brush or compressed air. As part of your routine maintenance schedule, periodically inspect the fan for any signs of wear or damage.
Conclusion:Maintaining an optimal engine temperature is crucial to the performance and longevity of your Ski-Doo snowmobile. The Rotax 400 heads cylinder fan is a reliable and effective solution designed specifically for the 913991 and 913996 engines. By regularly maintaining your cooling system, you'll not only ensure a more enjoyable riding experience but also safeguard your investment in your snowmobile.
buying a 400-head cylinder fan for a Ski-Doo engine model 913996 (913991 engine, 399 cc) can be a consideration for individuals looking to improve the cooling system of their snowmobile. Here are some pros and cons of this upgrade:
Pros:1. Enhanced cooling: With more cooling heads, the fan can circulate air more efficiently, which helps to reduce operating temperatures. This improvement is essential to allow the engine to run smoothly and effectively, especially during prolonged use or in hotter weather conditions.
2. Durability: A 400-head fan having more fins is generally more robust than a standard fan. The larger surface area allows for greater heat dissipation, ensuring the engine lasts longer and performs more reliably.
3. Increased power: Cooler engines improve overall power delivery, enabling a more responsive and efficient riding experience.
4. Customization: OEM fans can be pricey and limited in their design. A 400-head aftermarket fan offers greater design choices and flexibility to cater to personal style preferences and cooling requirements.
Cons:1. Installation: Installing a 400-head fan may involve additional complexity or customization. Depending on the user's mechanical skills or available resources, this could translate to time spent or added cost.
2. Compatibility: It is essential to verify the fan's compatibility with the specific engine model 913996 (913991 engine, 399cc), as not all fans may be a direct plug-and-play solution. Be sure to review the fan's specifications and consider any necessary modifications before purchasing.
3. Cost: While a 400-head fan may offer advantages over a stock cooling system, the price tag can be significantly higher compared to an OEM fan. Users must consider their budget and potential cost savings in terms of engine longevity and performance.
Conclusion:A 400-head cylinder fan represents a startling investment for Ski-Doo owners seeking to enhance their engine's cooling capabilities and overall performance. The benefits include more efficient heat dissipation, improved durability, increased power, and customization opportunities - yet the complexity of installation, potential compatibility issues, and increased cost must be weighed before making a final decision. If the user values peak performance, reliability, and aesthetics over cost and installation complexity, then investing in a 400-head cylinder fan for their Ski-Doo 913996 (913991 engine, 399 cc) engine could be an excellent option.
Recommendation:For those who aim to outfit their Ski-Doo 913996 (913991 engine, 399 cc) engine with a 400-head cylinder fan, I recommend carefully researching and considering reputed companies known for producing quality aftermarket fans. Working with a supplier who offers a solid warranty, clear installation instructions, and excellent customer support is crucial in ensuring a successful installation and trouble-free operation. Users can also consult online forums and search for reviews from other happy customers for further confirmation of value and satisfaction before making a decision.
These are in good used condition with good spark plug threads.