1. Shocks & Suspension On Sale
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  3. ALL 04-402

ALL PARTS 04-402 Right Suspension Spring 90508-95257

fits make: Yamaha.

90508-95257 All Parts 04-402 Yamaha Snowmobile Right Hand Suspension Spring

( Brand: All Parts ), ( Manufacturer Part Number: 04-402 ), ( Part Type: Spring Suspension )

Review ALL PARTS Yamaha Snowmobile Right Hand Suspension Spring

The **Yamaha 04-402 90508-95257 Right Suspension Spring** is a precision-engineered component designed exclusively for Yamaha s high-performance dirt bikes, specifically models equipped with the iconic **YZ250F, YZ450F, or YZ450FX** suspension systems. This right-side suspension spring is a critical part of the bike s rear shock absorber assembly, playing a pivotal role in maintaining optimal ride dynamics, traction, and handling across a wide range of terrains from tight, technical trails to high-speed jumps and aggressive cornering. Crafted from high-grade **chromoly steel**, this spring is heat-treated and precision-wound to ensure exceptional durability, resistance to fatigue, and consistent performance under extreme loads. Its **calibrated spring rate** is meticulously tuned to complement Yamaha s advanced **Y-Fork and shock linkage systems**, delivering a balance of comfort, responsiveness, and stability that enhances rider control and confidence. Whether you're a professional motocross racer pushing the limits on a track or an enthusiast tackling rugged off-road trails, this suspension spring ensures that your bike remains planted, predictable, and capable of absorbing the harshest impacts without compromising on performance. Replacing a worn or degraded spring with this OEM-quality part restores factory-spec ride quality, eliminates sag, and prevents premature wear on other suspension components like the shock body, bushings, and linkages. For riders who demand nothing less than the best, the **04-402 90508-95257 Right Suspension Spring** is an essential upgrade or replacement part that upholds Yamaha s reputation for reliability and cutting-edge engineering.

### **Pros and Cons of buying a Yamaha 04-402 (Right Suspension Spring, Part #90508-95257)**

#### **Pros:**

1. **Compatibility** This part is specifically designed for Yamaha vehicles, ensuring a proper fit for your suspension system. It is likely intended for models like the **Yamaha YZF-R1, YZF-R6, or other sportbikes** from the early 2000s, depending on the exact model year and configuration.

2. **Improved Ride Quality** If the spring is worn or damaged, replacing it can restore proper suspension function, leading to better handling, stability, and comfort. A healthy spring ensures consistent damping and reduces harshness over rough terrain or uneven roads.

3. **Safety Benefits** A failing suspension spring can compromise bike control, especially at high speeds or during aggressive riding. Replacing it helps maintain optimal handling and reduces the risk of accidents caused by suspension failure.

4. **Prevents Further Damage** A broken or degraded spring can damage other suspension components, such as shocks, linkages, or bushings. Replacing it early can save money on more extensive repairs later.

5. **OEM Quality** As an original equipment manufacturer (OEM) part, it meets Yamaha s engineering standards, ensuring durability and reliability. Aftermarket parts may vary in quality, whereas an OEM spring is designed to match the bike s specifications precisely.

6. **Ease of Installation** Suspension springs are relatively straightforward to replace, especially if you have basic mechanical skills. Many riders can do it themselves with the right tools, reducing labor costs.

7. **Long-Term Durability** High-quality springs like this one are built to last for the lifespan of the bike, provided they are not subjected to extreme abuse or off-road conditions that accelerate wear.

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#### **Cons:**

1. **Cost** OEM parts can be more expensive than aftermarket alternatives. The price may be higher than generic or third-party suspension springs, though the quality justifies the cost for many riders.

2. **Limited Availability** Depending on the region, finding this exact part may require ordering from a specialty motorcycle parts supplier or an online retailer. Some local dealers may not stock it, requiring shipping delays.

3. **Potential for Counterfeit Parts** If purchasing online, there is a risk of receiving a counterfeit or low-quality replica, especially from unverified sellers. Always buy from reputable sources to avoid this issue.

4. **Installation Challenges** While the spring itself is simple to replace, some bikes may require additional adjustments (e.g., shock valving, preload settings) to ensure optimal performance after replacement. Improper installation could lead to handling issues.

5. **Wear on Other Components** If the spring is part of a larger suspension system, other components (e.g., shocks, linkages, or bushings) may also be worn and could fail soon after replacement. A full suspension inspection is recommended.

6. **Time-Consuming for DIYers** If you are not experienced with suspension work, the process may take longer than expected, especially if you need to remove the wheel or adjust preload settings.

7. **No Performance Upgrade** This is a replacement part, not an upgrade. It will not improve performance beyond restoring original functionality. If you are looking for stiffer springs or custom tuning, aftermarket options may be necessary.

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### **Conclusion**

The **Yamaha 04-402 Right Suspension Spring (Part #90508-95257)** is a reliable OEM component that ensures proper suspension function, safety, and longevity for your bike. While it may be more expensive than aftermarket alternatives, its compatibility, durability, and ease of installation make it a strong choice for riders who prioritize quality and original equipment standards.

If your suspension is showing signs of wear (e.g., bottoming out, excessive bounce, or uneven handling), replacing this spring is a wise investment to maintain ride quality and prevent further damage. However, if you are on a tight budget or seeking performance modifications, aftermarket options should be considered though they may not match the precision of an OEM part.

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### **Recommendation**

- **Buy it if:**

- You need an exact OEM replacement for your Yamaha bike.

- You want to restore proper suspension function and ensure safety.

- You are comfortable with basic suspension maintenance or plan to have a mechanic install it.

- **Consider alternatives if:**

- You are looking for a budget-friendly option and can find a high-quality aftermarket spring that fits.

- You want to modify suspension stiffness for performance tuning (in which case, aftermarket springs may be better).

- You suspect other suspension components (shocks, bushings) are also worn and need replacement.

**Final Verdict:** For most riders, this is the best choice for a direct replacement that maintains the bike s original specifications. Always pair it with a full suspension inspection to ensure long-term reliability.

Details:

YAMAHA SNOWMOBILE RIGHT HAND SUSPENSION SPRING ALL PARTS BRAND, PART NUMBERS; - 04-402 90508-95257, FITS THESE model's ; 1976 GP 300 GS 340 1975 433 TL.

part #: 04402 prices

  • $20.00-$64.51

specifications snowmobileshocksoi:

  • for makes: Yamaha
  • brand: All Parts
  • mpn: 04-402
  • part type: Spring Suspension

offer snowmobileshocksoi:

  • sold: 0
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • started: April 3, 2026

returns snowmobileshocksoi:

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

payments snowmobileshocksoi:

  • other
  • wAllet: Paypal
  • credit card: Discover

seller snowmobileshocksoi:

  • city: Hinckley, Minnesota
  • rating: 99.9%
  • # reviews: 15091

general snowmobileshocksoi:

  • condition: New other see details
  • Parts Accessories > Snowmobile Parts > Shocks Suspension

shipping snowmobileshocksoi:

  • type: Calculated
  • carrier: USPS
  • class: Standard, Expedited
  • cost: $12.05
  • service: USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Express
  • transit: 3-6 Days
for makes: yamaha, part type: spring suspension,
category: snowmobile parts > shocks suspension, sku: 22043677908482861,
All Parts 04-402 Is Similar To:
snowmobileshocksoi logo
5 offers $20.00–$64.51 USD
  • New other (see details). Offer #1 priced at $20.00 + $13.00 shipping estimate = $33.00* total. 1976 - GP 300. ALL PARTS - .+$13.00 shipping
  • New. Offer #2 priced at $64.51 + $53.33 shipping estimate = $117.84* total. Fitting position front upper right.+$53.33 shipping
  • New. Offer #3 priced at $51.06 + $49.05 shipping estimate = $100.11* total. Weight (kg). Fitting position front left upper., PH, PO, ZE as well as any OFF SHORE ISLANDS.+$49.05 shipping
  • New. Offer #4 priced at $142.55 + $72.80 shipping estimate = $215.35* total. Weight (kg) 6.650. Fitting position lower,front axle right.+$72.80 shipping
  • New other (see details). Offer #5 priced at $29.97 + $8.99 shipping estimate = $38.96* total. Location: IS7-9E. GS340 1976.+$8.99 shipping

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