HONDA 51501-064-691 Front Fork Cushion Suspension Spring

( Manufacturer Part Number: 51501-064-691 ), ( Part Type: Spring Fork Cushion Suspension ), ( Placement On Vehicle: Front ), ( Vintage Part: Yes )

Review HONDA Oem Ct70st50 Front Fork Cushion Suspension Spring fits CT70 ST50 ST70

The **Honda CT70, ST50, and ST70 51501-064-691 Front Fork Cushion Suspension Spring** is a precision-engineered component designed to deliver a refined riding experience by enhancing comfort, stability, and control on the open road or off-road trails. This high-quality suspension spring is specifically crafted to fit the front fork assembly of Honda s classic adventure and dual-sport motorcycles, ensuring seamless integration with the existing hydraulic damping system. Constructed from durable, heat-treated steel, the spring is engineered to withstand the rigors of daily riding, providing consistent performance under varying loads and terrain conditions. Its carefully calibrated spring rate optimizes wheel travel, reducing harsh impacts from rough surfaces while maintaining a responsive, agile ride feel. Whether navigating winding mountain roads, tackling uneven trails, or cruising on paved highways, this suspension spring helps minimize fatigue by absorbing vibrations and shocks, allowing riders to maintain better posture and control. The design also contributes to improved handling by reducing fork dive under acceleration and rebound control, ensuring the front wheel stays planted and the bike remains stable. For riders seeking to upgrade their stock suspension or replace a worn-out component, this OEM-quality spring offers a cost-effective solution that restores factory-like performance, extending the lifespan of the fork seals and damping units while enhancing overall ride quality. Ideal for both maintenance and restoration projects, it is a reliable choice for enthusiasts who demand durability, precision, and a smoother, more enjoyable riding experience.

### **Pros and Cons of buying a Honda CT70/ST50/ST70 Front Fork Cushion Spring (Part # 51501-064-691)**

1. **OEM Quality and Fit** This is a genuine Honda part, meaning it is designed to match the original specifications of your bike s suspension system. It ensures proper alignment, performance, and longevity when installed correctly.

2. **Improved Ride Comfort** The cushion spring (also called a buffer spring) helps absorb impacts from bumps, reducing vibration transfer to the rider. This can make long rides more comfortable, especially on rough terrain.

3. **Prevents Fork Bottom-Out** A worn or missing cushion spring can cause the fork to bottom out excessively, leading to damage. Replacing it ensures smoother compression and better control during aggressive riding.

4. **Extends Fork Life** By reducing excessive stress on the fork legs, a properly functioning cushion spring helps prevent premature wear on seals, springs, and internal components.

5. **Easy Installation** Unlike full fork rebuilds, replacing just the cushion spring is a straightforward process that can be done with basic tools. Many riders can complete the job in under an hour.

6. **Cost-Effective Upgrade** Compared to full fork rebuilds or aftermarket suspension upgrades, this part is relatively inexpensive, offering a simple yet effective way to improve ride quality.

7. **Compatibility** This part fits the **Honda CT70, ST50, and ST70** models, making it a versatile choice if you re unsure which specific model you have.

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1. **Wear and Tear Over Time** Even OEM parts degrade with age and mileage. If the rest of the fork (seals, oil, springs) is worn, replacing just the cushion spring may not fully restore performance.

2. **Limited Performance Gain** While it improves comfort and prevents bottom-out, it does not significantly enhance suspension tuning or handling like a full rebuild or aftermarket fork would.

3. **Potential for Misinstallation** If not installed correctly (e.g., incorrect torque, improper seating), it could lead to leaks or reduced effectiveness. Some riders may need to consult a manual or professional for guidance.

4. **Not a Long-Term Solution for Severe Damage** If the fork has internal damage (e.g., bent legs, seized internals), replacing just the cushion spring will not fix underlying issues. A full fork service may be necessary.

5. **Availability and Stock Issues** Like many OEM parts, this may be discontinued or hard to find in some regions, requiring sourcing from specialty suppliers or used markets.

6. **No Adjustability** Unlike aftermarket forks with adjustable preload or rebound damping, this part does not offer tunability it simply restores or maintains the original function.

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Replacing the **Honda CT70/ST50/ST70 front fork cushion spring (51501-064-691)** is a **practical and cost-effective** way to improve ride comfort, prevent fork damage, and extend the life of your suspension. It is ideal for riders who want a **simple, no-frills upgrade** without a full fork rebuild. However, if your fork has **significant wear or damage**, this part alone may not be sufficient, and a more comprehensive service may be needed.

- Riders experiencing **excessive fork bottom-out** or **rough handling**.

- Those who want to **maintain OEM performance** without aftermarket modifications.

- Enthusiasts who prefer **minimalist, functional upgrades**.

If your primary goal is **better tuning or aggressive off-road performance**, consider a **full fork rebuild or aftermarket suspension kit**. But for **basic maintenance and comfort**, this is a solid choice.

- You notice **excessive fork compression** or **vibration** during rides.

- You re performing **routine maintenance** and want to replace worn components.

- You prefer **OEM reliability** over aftermarket options.

- Your fork has **visible internal damage** (leaking oil, bent legs, seized internals).

- You re looking for **adjustable or high-performance suspension**.

- You can t find the part or suspect it may be discontinued.

For best results, **pair this replacement with checking fork oil, seals, and springs** during the same service. If unsure about installation, consult a **Honda dealer or suspension specialist** to ensure proper fitment.

Details:

All springs are intact and aluminum ends good. Springs are in good usable condition and have no severe wear or damage. Used front fork springs off of a 1970 CT70. ST50 DAX ENGLAND.

CT70 TRAIL 70 K0 1969 USA. One spring does have some damage where the key on top was broken off. Confirm fitment before purchase. Fitting model's Other that this item fits.

CT70H TRAIL 70H 1970 CT70HK0 USA.

part #: 51501064691 prices

• $50.66-$60.00

specifications cyclevintagee:

• for models: Ct70, St50, St70
• for makes: Honda
• mpn: 51501-064-691
• part type: Spring Fork Cushion Suspension
• placement on vehicle: Front
• vintage part: Yes

offer cyclevintagee:

• started: March 25, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

general cyclevintagee:

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

payments cyclevintagee:

• credit card: Visa
• wallet: Paypal
• other

shipping cyclevintagee:

• carrier: USPS
• transit: 5-10 Days
• type: Calculated
• class: Standard
• cost: $8.97
• service: USPS Ground Advantage

seller cyclevintagee:

• # reviews: 5598
• rating: 100.0%
• city: Wendell, North Carolina

returns cyclevintagee:

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

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