1. Shocks & Suspension On Sale
  2. sku: 21505365083490891
  3. SKI DOO 505070381

SKI-DOO 505070381 Trailing Left Swing Arm

fits model: 500, Formula. make: Skidoo, Ski-doo. year: 2000.

505070381 Ski-doo Trailing Arm Left Swing # 2000 Formula 500 Snowmobile

( Brand: Ski-doo ), ( Manufacturer Part Number: 505070381 ), ( Part Type: Swing Arm )

Review SKI DOO Trailing Arm Left Swing Snowmobile fits FORMULA 500 2000

The **Ski-Doo 505070381 Trailing Arm (Left Swing) for the Formula 500** is a precision-engineered, high-performance replacement component designed exclusively for Ski-Doo s iconic Formula 500 snowmobile models, ensuring optimal handling, stability, and longevity. Crafted from durable, high-grade steel, this trailing arm is built to withstand the rigorous demands of off-piste riding, deep powder, and aggressive terrain, where reliability and resilience are paramount. The left-swing design is tailored to fit the Formula 500 s suspension system, allowing for seamless articulation and a smooth ride by accommodating the natural movement of the rear wheel. This component plays a critical role in maintaining the snowmobile s ground clearance, shock absorption, and overall stability, particularly during high-speed turns, abrupt stops, and uneven trail conditions. The trailing arm s robust construction minimizes flex and wear, reducing the risk of premature failure and ensuring consistent performance season after season. Whether navigating tight switchbacks, tackling icy patches, or cruising across vast open trails, this part is engineered to deliver the precision and durability expected from Ski-Doo s legendary engineering. For riders who demand nothing less than perfection in their snowmobile s suspension, the **505070381 Trailing Arm** is an essential upgrade or replacement part that upholds the Formula 500 s reputation for exhilarating, responsive performance.

### **Pros and Cons of Buying a Ski-Doo 505070381 Trailing Arm (Left Swing, 2000 Formula 500)**

#### **Pros**

1. **Reliable and Proven Design** The Ski-Doo Formula 500 series, particularly the 2000 model, is well-regarded for its durability and performance. The trailing arm suspension system was a key feature in its era, offering a smoother ride compared to earlier models.

2. **Strong Engine Performance** The 500cc E-TEC engine delivers solid power, making it suitable for both trail riding and light off-road use. It s a proven workhorse for its class, with good throttle response and torque.

3. **Classic Ski-Doo Build Quality** Early 2000s Ski-Doos were known for robust construction, with a sturdy frame and reliable components. The left-swing trailing arm (common in older models) was designed for durability and ease of maintenance.

4. **Good for Beginners and Intermediate Riders** The 500cc displacement strikes a balance between manageability and power, making it accessible for riders who want a capable but not overly aggressive machine.

5. **Parts Availability** As a mid-2000s model, parts (especially suspension, engine components, and electricals) are still relatively easy to find, though not as abundant as for newer models.

6. **Lower Cost of Ownership (Compared to New Models)** Used Ski-Doos of this era are significantly cheaper than modern models, reducing upfront costs while still offering good value.

7. **Off-Road Capability** The Formula 500 was designed with trail and light off-road use in mind, featuring a sturdy frame and decent ground clearance for its time.

8. **Modification Potential** Like many older Ski-Doos, this model can be upgraded with aftermarket parts (e.g., exhausts, suspension, or engine tuning) to improve performance.

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#### **Cons**

1. **Age and Wear** The 2000 model is now over two decades old, meaning it may require more maintenance than a newer machine. Suspension, seals, and electrical components could be worn out.

2. **Outdated Technology** Compared to modern Ski-Doos, this model lacks features like electronic fuel injection (EFI) advancements, better suspension tuning, and advanced rider aids (e.g., traction control, ABS). It relies on a carbureted or older EFI system, which may be less efficient and more prone to tuning issues.

3. **Fuel Efficiency** Older Ski-Doos typically consume more fuel than newer, more efficient models. The 500cc engine, while powerful, may not be as economical as modern counterparts.

4. **Resale Value** Classic Ski-Doos hold some value, but they depreciate faster than newer models. If you plan to sell it later, you may not recoup as much as you spent.

5. **Maintenance Challenges** Some components (e.g., the trailing arm suspension, carburetor, or older electrical systems) may require specialized knowledge or parts to repair. Finding a mechanic familiar with this model could be difficult in some areas.

6. **Noise and Emissions** Older Ski-Doos tend to be louder and less environmentally friendly than modern models, which may be a concern if you ride in areas with strict noise or emissions regulations.

7. **Limited Modern Upgrades** While some aftermarket parts exist, integrating them may not be as seamless as with newer models, which often have standardized mounting points and compatibility.

8. **Potential for Hidden Issues** Without a thorough inspection, you might inherit problems like rust, worn-out bushings, or electrical gremlins that could lead to costly repairs.

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### **Conclusion**

The **Ski-Doo 505070381 Trailing Arm (Left Swing, 2000 Formula 500)** is a solid choice if you re looking for a **budget-friendly, reliable, and capable** ATV for trail riding, light off-roading, or as a project build. Its **durable construction, strong engine, and classic Ski-Doo charm** make it appealing to riders who appreciate simplicity and don t need the latest tech.

However, if you prioritize **modern comfort, efficiency, and ease of maintenance**, a newer Ski-Doo (or even a used model from the last decade) would be a better investment. The **2000 Formula 500 is best suited for riders who:**

- Enjoy the nostalgia of an older design.

- Don t mind occasional maintenance.

- Want a powerful but manageable ATV for practical use.

- Are okay with sacrificing some convenience for lower cost.

If you re **serious about buying this model**, ensure it has a **clean service history**, a **thorough pre-purchase inspection**, and that you re prepared for potential repairs. If you re unsure about its condition, consider a **newer used Ski-Doo** (e.g., a 2010s model) for better reliability and features.

### **Recommendation**

- **Buy it if:** You re on a tight budget, enjoy classic ATVs, and are willing to invest time in maintenance. It s a great option for riders who want a **no-frills, durable machine** for trail use.

- **Avoid it if:** You want a **low-maintenance, high-performance, or modern ATV** with advanced features. In that case, look for a **newer Ski-Doo (2010s or later)** or a well-maintained used model from the last decade.

For the best balance, consider a **used Ski-Doo from the 2010s** (e.g., a 500 or 650cc model) if you want better reliability without breaking the bank. If you re set on this specific model, **inspect it meticulously** or have a mechanic check it before purchasing.

Details:

Parts or item may be compatible with other machines make, model and Year. Trailing Arm Left Swing # 505070381 Ski-doo 2000 Formula 500 Snowmobile. Parts for Arctic Cat, Can-Am, Honda, Kawasaki, Polaris, Ski-Doo, Suzuki, and Yamaha. Parts are listed with machine it was removed from.

Unless we specify that they are good in the listing.

part #: 505070381 price

  • $100.69

specifications snowmobileshocksoi:

  • for models: 500, Formula
  • for makes: Skidoo, Ski-doo
  • for years: 2000
  • brand: Ski-doo
  • mpn: 505070381
  • part type: Swing Arm

returns snowmobileshocksoi:

  • time: 14 Days
  • policy: Returns Accepted
  • paid by: Buyer

seller snowmobileshocksoi:

  • # reviews: 8212
  • rating: 99.1%
  • city: Clarissa, Minnesota

offer snowmobileshocksoi:

  • options: Ship-to-home
  • best offers: True
  • started: February 10, 2026
  • sold: 0
  • quantity: 1
  • availability: In Stock

payments snowmobileshocksoi:

  • other
  • wallet: Paypal
  • credit card: Diners-club

general snowmobileshocksoi:

  • condition: Used
  • Parts Accessories > Snowmobile Parts > Shocks Suspension

shipping snowmobileshocksoi:

  • type: Fixed
  • transit: 2-7 Days
  • class: Standard
  • cost: $0.00
  • service: Standard
for models: 500, formula, for makes: skidoo, ski-doo, for years: 2000, part type: swing arm,
category: snowmobile parts > shocks suspension, sku: 21505365083490891,
Ski-doo 505070381 Is Similar To:
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1 offer $100.69 USD
  • Used. Offer #1 priced at $100.69 + $0.00 shipping estimate = $100.69* total. Parts for Arctic Cat, Can-Am, Honda, Kawasaki, Polaris, Ski-Doo, Suzuki, and Yamaha.FREE SHIPPING

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