SKI-DOO 420427684 Rotax Crank Mag Adjustment Washer Doo/ Cyl.

( Brand: Ski-doo ), ( Manufacturer Part Number: 420427684 ), ( Part Type: Crank Washer )

Review SKI DOO Brp Ski-doo/ Rotax Cyl. Crank Mag Side Adjustment Washer

Introducing the Ski-Doo Rotax CR Mag Adjustment Washer (Part Number: 420427684), a crucial component designed to ensure optimal performance of your Ski-Doo snowmobile's ignition system. This washer plays a vital role in the adjustment of the crankshaft position sensor, which is responsible for providing essential information to the engine control module, enabling efficient and reliable engine operation.

Manufactured by Ski-Doo, this high-quality washer is specifically engineered for Rotax engines. It is precision-crafted from a durable material, ensuring longevity and resistance to wear and tear, even under the extreme conditions often encountered on the snow.

Measuring 10.2mm in diameter and 1.6mm in thickness, this washer is designed to fit perfectly into the crankshaft position sensor housing. Its unique shape and dimensions ensure a secure and snug fit, preventing any potential movement during operation, which could lead to inaccurate sensor readings and potential engine issues.

Installing this washer is a straightforward process. Simply remove the old washer, if present, clean the sensor housing, and then install the new washer, followed by the sensor itself. Once installed, the crankshaft position sensor will be able to accurately detect the position of the crankshaft, ensuring proper engine timing and efficient operation.

Investing in a genuine Ski-Doo Rotax CR Mag Adjustment Washer (Part Number: 420427684) is an essential step in maintaining the performance and reliability of your Ski-Doo snowmobile's engine. Replacing this washer at the recommended interval helps to prevent potential engine issues and keeps your snowmobile running smoothly and efficiently, providing you with countless hours of enjoyable riding on the snow.

The Ski-Doo 420427684 crank adjustment washer is a part used for adjusting the magneto in Ski-Doo Rotax engines. Here are some potential pros and cons of purchasing this part:

1. Improved Performance: A worn-out or incorrectly adjusted crank adjustment washer can affect the performance of your Ski-Doo engine. Replacing it with a new one can help improve the engine's efficiency and reliability.

2. Preventing Damage: A faulty crank adjustment washer can cause damage to other parts of the engine, such as the magneto or the crankshaft. Replacing it before it causes significant damage can save you money in the long run.

3. Easy Installation: According to Ski-Doo, this part is relatively easy to install, and the process should not take more than an hour.

1. Cost: Replacing a crank adjustment washer is not a very expensive repair, but it still requires an investment. The cost of this part can vary depending on the supplier and the shipping fees.

2. Availability: Depending on your location and the availability of parts from local dealers, it might take some time to receive the part. Ordering it online may be a more convenient option, but it could also take longer to arrive.

3. DIY Installation: While Ski-Doo claims that installing this part is a straightforward process, some users may find it challenging to perform the installation themselves. In such cases, it may be worth considering taking the snowmobile to a professional mechanic.

The Ski-Doo 420427684 crank adjustment washer is an essential part for maintaining the performance and reliability of your Ski-Doo Rotax engine. While the cost and installation process may be inconvenient, the benefits of replacing a worn-out or incorrectly adjusted washer outweigh the cons. If you are comfortable performing the installation yourself, it can be a cost-effective way to keep your snowmobile in top shape. If not, consider taking it to a professional mechanic to ensure the job is done correctly.

If you suspect that your Ski-Doo Rotax engine's crank adjustment washer needs to be replaced, it is recommended that you order a new one as soon as possible. Check with your local Ski-Doo dealer to see if they have the part in stock, or order it online from a reputable supplier. If you are unsure about the installation process, consider taking the snowmobile to a professional mechanic to ensure that the job is done correctly and efficiently.

Details:

2-5/8 diameter.

part #: 420427684 prices

• $5.00-$12.00

specifications enginesnowmobile:

• for makes: Skidoo, Ski-doo
• brand: Ski-doo
• mpn: 420427684
• part type: Crank Washer

offer enginesnowmobile:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: December 6, 2025

returns enginesnowmobile:

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

general enginesnowmobile:

• Snowmobile Parts > Engines Components > Snowmobile Engine Components
• condition: New

shipping enginesnowmobile:

• class: Standard
• transit: 4-6 Days
• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated

seller enginesnowmobile:

• # reviews: 12474
• city: Gibbon, Minnesota
• rating: 100.0%

payments enginesnowmobile:

• other
• credit card: Visa
• wallet: Apple-pay

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