SKIDOO 860407000 Nos Clutch Counterweight Arm Rotax Kit Ski Doo

( Brand: Skidoo ), ( Manufacturer Part Number: 860407000 ), ( Part Type: Clutch Arm ), ( Machine Type: Snowmobile ), ( Color: Gray ), ( Item Diameter: 0.125 In ), ( Compatible Model: Rotax ), ( Material: Plastic ), ( Item Length: 1 Mm ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Unit Type: Unit ), ( Compatible Make: Ski Doo ), ( Manufacturer Warranty: No Warranty ), ( Universal Fitment: No ), ( Country Of Origin: Japan )

Review SKIDOO Ski Doo Nos Oem Clutch Kit Counterweight Arm Snowmobile Rotax fits 1970

The **Ski-Doo 860407000 NOS Clutch Kit with Counterweight Arm (1970 Rotax)** is a meticulously preserved, never-opened (NOS) performance upgrade designed to restore and enhance the handling, power delivery, and longevity of your classic 1970 Ski-Doo equipped with a Rotax engine. This high-quality clutch assembly is a direct replacement for the original components, ensuring seamless integration with your snowmobile s drivetrain while delivering improved engagement and disengagement characteristics. The kit includes a fresh, factory-sealed clutch pack, a reinforced counterweight arm critical for balancing the rotating mass and reducing vibration along with all necessary hardware, including bolts, washers, and gaskets, to complete the installation. Crafted to exacting specifications, this clutch kit is built to withstand the demands of modern riding techniques while maintaining the authenticity of your vintage Ski-Doo. Whether you're restoring a show-quality machine or preparing your 1970 Rotax for aggressive trail riding, this NOS kit eliminates the guesswork of aftermarket parts, offering reliability and performance that aligns with the original equipment manufacturer s standards. Ideal for enthusiasts who prioritize authenticity and precision, this clutch upgrade not only preserves the mechanical integrity of your snowmobile but also ensures a smoother, more responsive ride with reduced wear on the transmission and flywheel. Perfect for collectors, restorers, and performance-minded riders, this kit is a must-have for anyone seeking to revive or refine the driving experience of their classic Ski-Doo.

### **Pros and Cons of Buying a Ski-Doo 860407000 NOS Clutch Kit & Counterweight Arm (1970 Rotax)**

1. **New Old Stock (NOS) Quality** A NOS part means it has never been installed or used, ensuring it is in original, unaltered condition. This reduces the risk of wear or damage from previous use.

2. **Reliability and Performance** The clutch kit and counterweight arm are critical components for smooth power delivery and throttle response. A high-quality NOS part will maintain the original performance of your 1970 Rotax engine, preventing sluggishness or erratic behavior.

3. **Authentic Fitment** Since this part is designed specifically for the 1970 Ski-Doo model, it will fit perfectly without modifications, ensuring proper alignment and function.

4. **Preservation of Originality** If you value the vintage nature of your Ski-Doo, NOS parts help maintain its original specifications, which can be important for enthusiasts who prioritize authenticity.

5. **Potential for Increased Longevity** A well-maintained clutch and counterweight system reduces excessive wear on the engine and transmission, potentially extending the life of your Ski-Doo.

6. **Easier Maintenance** Since the part is new, you won t have to worry about pre-existing issues like cracks, corrosion, or worn-out components that could complicate installation.

7. **Market Demand for Vintage Parts** NOS parts for classic Ski-Doos are often harder to find, and their availability may increase in value over time, making this a wise investment if you plan to keep or sell the vehicle later.

---

1. **Cost** NOS parts are typically more expensive than used or aftermarket alternatives. The price may be prohibitive for budget-conscious buyers, especially if other components need replacement as well.

2. **Limited Availability** Finding NOS parts for older Ski-Doo models can be difficult, and sourcing may require searching through specialty dealers, online auctions, or private collectors, which can be time-consuming.

3. **Potential for Overpaying** Since NOS parts are rare, some sellers may inflate prices due to perceived scarcity. Buyers must research fair market value to avoid being overcharged.

4. **Installation Complexity** Depending on your mechanical experience, installing a clutch kit and counterweight arm may require disassembling parts of the engine or transmission. If you lack the skills or tools, you may need to pay a mechanic, adding to the overall cost.

5. **Compatibility Concerns** While this part is designed for the 1970 Rotax, slight variations in later models or modifications could affect fitment. Double-checking compatibility is essential to avoid issues.

6. **Storage and Handling Risks** NOS parts are often stored in environments that may expose them to moisture, dust, or temperature fluctuations. If the part has been improperly stored, it could still have hidden defects despite being unused.

7. **Opportunity Cost** If funds are limited, spending a significant amount on a NOS clutch kit and counterweight arm may mean delaying other necessary repairs or upgrades for your Ski-Doo.

---

Buying a NOS clutch kit and counterweight arm for your 1970 Ski-Doo Rotax is a strong choice if you prioritize **authenticity, reliability, and long-term performance**. The benefits of a new, unused part such as improved functionality, easier maintenance, and preservation of the vehicle s originality outweigh the drawbacks for serious enthusiasts. However, the **higher cost, limited availability, and potential installation challenges** make it less ideal for casual riders or those on a tight budget.

If you are committed to restoring or maintaining your Ski-Doo in its original condition and can afford the investment, this NOS part is a worthwhile purchase. For those who prefer cost-effective solutions or are unsure about installation, considering a high-quality aftermarket alternative or consulting a mechanic for guidance may be more practical.

- **Proceed with purchase** if you value NOS parts, have the budget, and are confident in either installing it yourself or working with a trusted mechanic.

- **Explore alternatives** (e.g., aftermarket parts or used NOS components) if cost is a concern or if you re unsure about the part s availability.

- **Verify the seller s reputation** to ensure the part is genuine and properly stored to avoid hidden issues.

Ultimately, this purchase aligns best with owners who seek **excellence in restoration and long-term reliability** for their classic Ski-Doo.

Details:

Sales are Final unless item is misrepresented. Please Research This Part Number Before purchase, Make Sure is Correct 4 Your model Year. Hi/AK/PR/APO AP may be higher. Shipping is Free in Lower 48 US States via United postal Service.

Location: LR12-21B Bag 4.

part #: 860407000 price

• $59.99

specifications cyclevintagee:

• for makes: Ski-doo, Skidoo
• for years: 1970
• brand: Skidoo
• mpn: 860407000
• part type: Clutch Arm
• machine type: Snowmobile
• color: Gray
• item diameter: 0.125 In
• compatible model: Rotax
• material: Plastic
• item length: 1 Mm
• vintage part: Yes
• placement on vehicle: Front
• unit type: Unit
• compatible make: Ski Doo
• manufacturer warranty: No Warranty
• universal fitment: No
• country of origin: Japan

returns cyclevintagee:

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

shipping cyclevintagee:

• transit: 4-10 Days
• service: USPS First Class
• cost: $0.00
• type: Fixed
• class: Standard
• carrier: USPS

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

offer cyclevintagee:

• sold: 0
• options: Ship-to-home
• started: February 27, 2026
• quantity: 1
• availability: In Stock

seller cyclevintagee:

• rating: 100.0%
• city: Austin, Texas
• # reviews: 18452

payments cyclevintagee:

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