fits model: 850. make: Polaris.

( Manufacturer Part Number: 2211505 ), ( Part Type: Crankshaft ), ( Non-domestic Product: No ), ( Warranty: 30 Day ), ( Genuine Oem: Yes ), ( UPC: 194722768093 )
The Polaris 2211505 K-Crankshaft is a critical component of the Polaris 850 snowmobiles, engineered to deliver exceptional durability and superior performance. This crankshaft is unique to Polaris' 850 liberty engine, a state-of-the-art powerplant characterized by its ability to deliver powerful and efficient output, ideally suited for even the most challenging snow conditions.
The K-Crankshaft boasts a robust design, with keen attention given to its material selection and manufacturing processes. It is forged from high-strength steel, and its precision-machined surfaces ensure a perfect fit and seamless operation. The crankshaft incorporate roller bearings, which effectively reduce friction and ensure lasting durability.
The K-Crankshaft's geometry is carefully optimized for the Polaris 850 Liberty engine's power delivery. The crankshaft's connecting rods are engineered to provide superior rod stiffness, which results in increased power transfer and minimized engine vibration. This translates to smoother, more enjoyable operation for riders.
The crankshaft is also engineered with Polaris' proven AirLock intake system. This innovative technology ensures consistent intake snow delivery and prevents ice buildup, enabling the engine to deliver optimal performance in even the coldest conditions. The AirLock intake system is integrated directly into the crankcase, minimizing the number of components, resulting in a simpler and more efficient design.
The K-Crankshaft is strategically designed to integrate with Polaris' latest Electric Power Take-Off (ePTO) systems, providing an additional option for versatility and functionality. This feature adds an extra layer to the already impressive capabilities of the Polaris 850 snowmobiles.
In summary, the Polaris 2211505 K-Crankshaft is a game-changing component, setting the bar high for snowmobile crankshafts through its innovative design, robust materials, exceptional durability, and proven performance. It's engineered to meet the demanding expectations of serious snowmobilers and those who seek trail-blazing experiences in the most extreme winter conditions.
a. Improved Performance: The Polaris 2211505 K-Crankshaft is designed to provide enhanced power and torque, resulting in a more responsive and exciting riding experience.
b. Increased Efficiency: With its optimized crankshaft design, this component enhances the overall efficiency of the snowmobile's engine, which can lead to better fuel economy and longer run time between refills.
c. Enhanced Durability: The K-Crankshaft is built with high-quality materials and precision engineering, ensuring that it can withstand the demands of heavy use and extreme conditions that are common with snowmobiles.
d. Reduced Noise: The K-Crankshaft is engineered to minimize the noise produced by the snowmobile's engine, providing a quieter and more enjoyable riding experience for both the rider and those in the surrounding area.
e. Easy Installation: The K-Crankshaft comes with straightforward installation instructions, making it a relatively simple process for experienced DIY enthusiasts to replace their old crankshaft with this upgraded component.
2. Cons:a. Cost:The Polaris 2211505 K-Crankshaft is a high-performance component, which comes with a higher price tag compared to standard replacement crankshafts. This may be a deterrent for some riders on a budget.
b. Requires Skills and Tools:While the installation process is relatively straightforward, the project does require a certain level of mechanical prowess and access to specialized tools. Those who lack the experience or resources may find it difficult or prefer to hire a professional for the installation.
c. Compatibility: The K-Crankshaft is specifically designed for the Polaris line of snowmobiles, and may not be compatible with other brands or models. Riders who are not currently using a Polaris snowmobile will need to look for alternative options to improve their vehicle's performance.
Conclusion:The Polaris 2211505 K-Crankshaft offers several advantages, including improved performance, increased efficiency, enhanced durability, reduced noise, and easy installation. However, it also comes with some disadvantages such as a higher cost, the need for skills and specialized tools, and limited compatibility.
If you are a Polaris snowmobile owner seeking to enhance the performance and riding experience of your vehicle, the K-Crankshaft is an excellent investment. However, if you are on a tight budget, lack the necessary skills and tools for installation, or use a snowmobile from a different manufacturer, it may not be the best choice for you.
Recommendation:For Polaris snowmobile owners looking to upgrade their engine components for improved performance, durability, and efficiency, the Polaris 2211505 K-Crankshaft is a highly recommended option. Ensure that you have the necessary skills, tools, and budget before embarking on the installation process. If you are unsure about any aspect of the installation, it may be worth considering hiring a professional to help ensure a successful outcome.
These are $2,315 new from Polaris. This is a genuine OEM Polaris crankshaft part number 2211505 for snowmobile engine. It is a brand new take out from 2025 Polaris Boost.