fits model: 377, Safari. make: Ski-doo. year: 1984-88.

( Brand: Ez-bearing ), ( Manufacturer Part Number: 405404300 ), ( Part Type: Idler ), ( Country Of Origin: China ), ( California Prop 65 Warning: California Prop 65 Warningcalifornia Proposition 65 Requires Businesses To Provide Warnings To Californians About Significant Exposure To Chemicals That Cause Cancer, Birth Defects ), ( Or Other Reproductive Harm. Add Details About The Warning You Want To Show California Buyers. Well Add A Warning Symbol And The Word Warning: Before The Description You Enter Here, And We Ll Add For More Information Go To Www.p65warnings.ca.gov Following Your Description. )
The **EZ-Bearing 405404300 Ski-Doo 40540430 Bogie Idler** is a meticulously engineered, high-performance replacement part designed specifically for the iconic **Ski-Doo Safari 377 models produced between 1984 and 1988**, as well as the **405 series** (such as the 405, 405X, and 405S). This bogie idler wheel plays a critical role in the suspension system of your Ski-Doo, ensuring smooth, responsive handling and optimal weight distribution across the track. Crafted from durable, precision-machined steel, this idler wheel is built to withstand the rigors of off-road use, including rough terrain, heavy loads, and prolonged exposure to the elements. Unlike standard OEM components, the EZ-Bearing version is treated with a **high-quality, corrosion-resistant coating** to prevent rust and extend its lifespan, even in wet or salty conditions. The bearing inside the idler is **sealed and pre-lubricated**, eliminating the need for frequent maintenance and ensuring smooth, quiet operation throughout its service life. This upgrade not only restores the original performance of your Ski-Doo s suspension but often enhances it, reducing wear on the track and drive components while improving overall ride stability. Whether you re tackling deep snow, rocky trails, or icy paths, this idler wheel delivers the reliability and durability required for demanding adventures, making it an essential component for any Ski-Doo enthusiast looking to maintain or upgrade their vehicle s performance.
### **Pros and Cons of Buying a Used EZ-Bearing 405404300 Ski-Doo Bogie Idler (Safari 377, 1984-1988)**
#### **Pros**
1. **Cost-Effective Upgrade** The EZ-bearing kit is a budget-friendly alternative to OEM parts, significantly reducing labor and material costs compared to a full bogie replacement. For a 1984-1988 Ski-Doo, where original parts can be expensive or hard to find, this is a practical solution.
2. **Improved Durability** The EZ-bearing design eliminates common failure points in stock bogie idlers, such as worn-out bushings or seized bearings. This can extend the life of the bogie assembly, reducing the risk of sudden breakdowns during rides.
3. **Easy Installation** Unlike a full bogie swap, the EZ-bearing kit is relatively straightforward to install, requiring only basic tools and mechanical knowledge. Many owners with moderate DIY experience can complete the job in a few hours.
4. **Compatibility** The part number (405404300) is designed specifically for the Ski-Doo Safari 377 (1984-1988) and similar models, ensuring a precise fit without modification. This reduces the risk of alignment or performance issues.
5. **Reduced Maintenance Over Time** Since the EZ-bearing eliminates friction-related wear, the bogie will require less frequent lubrication and adjustments compared to a stock setup, saving time and effort in long-term upkeep.
6. **Aftermarket Support** EZ-Bearing is a well-known brand in the ATV/snowmobile aftermarket, meaning replacement parts or troubleshooting help may be available if issues arise.
7. **Performance Stability** A properly installed EZ-bearing kit can reduce sagging, improve handling, and prevent the "whipping" effect that occurs when stock bushings wear out. This makes the ATV more predictable and safer to ride.
---
#### **Cons**
1. **Limited Longevity Compared to Full Bogie Replacement** While the EZ-bearing kit is durable, it is not a permanent fix. Over time, other components of the bogie (such as the frame or pivot points) may still degrade, requiring eventual replacement. Expect the kit to last **several years or tens of thousands of miles**, but not indefinitely.
2. **Potential for Misalignment** If not installed correctly, the EZ-bearing could cause the bogie to bind or misalign, leading to uneven tire wear or handling issues. Precision in installation is critical.
3. **No Warranty on Used Parts** Since you re purchasing a used kit (assuming this is the case), there may be no warranty coverage. If the bearings fail prematurely due to wear or defects, you ll be responsible for replacement costs.
4. **Skill Dependency** While easier than a full bogie swap, improper installation (e.g., incorrect torque, misaligned bearings) can void any benefits and may even damage the bogie further. Owners with limited mechanical experience may struggle.
5. **Compatibility Risks with Modified Vehicles** If the Ski-Doo has been heavily modified (e.g., lowered, widened, or with aftermarket suspension), the EZ-bearing may not perform optimally. Stock geometry is assumed in its design.
6. **No Guarantee Against Other Bogie Issues** The kit only addresses the idler bearing; other parts of the bogie (e.g., pivot pins, frame welds) could still fail. A full inspection of the bogie assembly is recommended before purchase.
7. **Resale Value Impact** If you plan to sell the Ski-Doo later, a used EZ-bearing kit may not be as appealing to buyers as OEM or high-quality aftermarket parts, potentially reducing resale value.
---
### **Conclusion**
The **EZ-bearing 405404300 kit for a 1984-1988 Ski-Doo Safari 377** is a **cost-effective, practical solution** for owners dealing with worn-out bogie idlers. It offers **improved durability, easier installation, and reduced maintenance** compared to stock parts, making it ideal for riders who want a **short-to-medium-term fix** without the expense of a full bogie replacement.
However, it is **not a permanent solution** eventually, other bogie components may still fail, and proper installation is **critical** to avoid performance issues. If you re comfortable with basic mechanical work and the ATV is otherwise in good condition, this kit is a **smart upgrade**. If the bogie shows **signs of severe wear, rust, or structural damage**, a full replacement or professional inspection may be more prudent.
---
### **Recommendation**
**Buy the EZ-bearing kit if:**- Your Ski-Doo s bogie is **functionally sound but suffering from idler bearing wear** (e.g., sagging, whipping, or binding).
- You re **willing to invest time in proper installation** (follow manufacturer instructions closely).
- You **don t plan to keep the ATV long-term** and want a **low-cost, effective stopgap**.
- The rest of the bogie (pivot points, frame) appears **structurally intact**.
**Avoid or reconsider if:**- The **bogie frame is rusted, bent, or cracked** a full replacement is needed.
- You **lack mechanical experience** and are uncomfortable with installation.
- You **plan to ride aggressively** (off-road, heavy loads) and want maximum longevity consider a **full bogie rebuild or high-end aftermarket kit**.
- The **price is significantly inflated** check for authenticity and condition before purchasing.
**Final Verdict:**For the **average weekend rider** with a **moderately worn but serviceable bogie**, the EZ-bearing kit is a **solid, budget-friendly choice**. However, if the bogie is **severely degraded**, prioritize a **full inspection or replacement** to ensure long-term reliability. Always **test the installation thoroughly** before extended use.
Replacement Ski-doo Bearings. Ski-Doo Renegade 900 Turbo R X RS ACE Smart Sioux: 2022 -2023. 10 High Quality Performance Bearing. Replacement for: 293350055, 293350067, 293350115, 293350153, 293350186, 4054002 4054004 4054036 4054037 4054043 4054044 4054045 4170006 503189567, 503190795, 504152006 LOC62-005EZ.
Ski Doo Snowmobile 405404300 Bogie Idler Wheel Bearing.