SUZUKI 51311-14500 Steering Stem Triple Clamp Tree Top Head 51410-14500

( Manufacturer Part Number: 51311-14500 ), ( Part Type: Steering Clamp Head ), ( Machine Type: Dirtbike ), ( Color: Silver ), ( Material: Aluminum ), ( Placement On Vehicle: Front )

Review SUZUKI Steering Stem Triple Clamp Tree Top Head fits RM125 1987

The **Suzuki RM125 1987 Steering Stem Triple Clamp (Part Numbers: 51311-14500 and 51410-14500)** is a meticulously engineered, high-performance component designed to deliver uncompromising strength and precision for off-road enthusiasts and dirt bike racers. This top-tier steering stem assembly serves as the critical junction between the bike s frame and handlebars, ensuring optimal handling, stability, and responsiveness under the most demanding conditions. Crafted from durable, high-grade steel, the triple clamp is built to withstand the relentless forces of aggressive riding, including sharp turns, rough terrain, and high-speed maneuvers, while maintaining structural integrity and minimizing flex. The design incorporates a robust, tree-top head configuration, which enhances rigidity and reduces unwanted movement, allowing for sharper steering feedback and improved control. Compatible exclusively with the 1987 Suzuki RM125, this clamp features a precise fit with the bike s frame, ensuring seamless integration without the need for modifications. Whether you re tackling technical trails, competing in motocross events, or pushing the limits of your bike s capabilities, this steering stem triple clamp delivers the reliability and performance required to keep pace with even the most demanding riders. Its robust construction and meticulous engineering make it an essential upgrade for those seeking to elevate their RM125 s handling and durability.

### **Analysis of the Suzuki RM125 Steering Stem and Triple Clamp (1987 Model) Part Numbers: 51311-14500 (Steering Stem) and 51410-14500 (Triple Clamp/Head)**

#### **Overview**

The Suzuki RM125 is a classic dual-sport motorcycle known for its durability, simplicity, and off-road capabilities. The steering stem (51311-14500) and triple clamp/tree top head (51410-14500) are critical components for handling, alignment, and overall ride quality. These parts are often sought after for restoration, replacement, or upgrading older RM125 models.

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### **Pros of Buying These Parts**

1. **Authentic Fitment for Classic RM125**

- These parts are direct replacements for the 1987 Suzuki RM125, ensuring proper fitment without modifications. They maintain the original geometry and handling characteristics of the bike.

- The triple clamp and steering stem are designed to work seamlessly with the stock fork, steering bearings, and handlebars, preserving the bike s original feel.

2. **Reliability and Durability**

- Suzuki s engineering in the late 1980s was robust for its time, and these components were built to last with proper maintenance. The triple clamp is typically made of cast steel or aluminum, offering strength and resistance to wear.

- The steering stem is designed to handle the stresses of off-road riding, including rough terrain and aggressive handling.

3. **Ease of Installation**

- Both parts are relatively straightforward to install, especially for mechanics with experience in dual-sport bikes. The triple clamp bolts onto the fork crown, and the steering stem integrates with the headstock and bearings.

- No major modifications to the frame or suspension are required, making this a plug-and-play upgrade for most owners.

4. **Availability of Aftermarket Support**

- While these parts may be original Suzuki components, they are commonly found in the aftermarket, especially among classic motorcycle parts dealers. This increases the likelihood of finding a used or new replacement.

- If the original parts are worn or damaged, these replacements can restore functionality without compromising the bike s integrity.

5. **Preservation of Vintage Character**

- For enthusiasts restoring or maintaining an original RM125, using genuine or high-quality aftermarket parts like these helps preserve the bike s authenticity and value. It avoids the " Frankenstein bike" look that comes from mixing incompatible parts.

6. **Cost-Effective Compared to Full Fork Replacement**

- Replacing just the steering stem and triple clamp is far cheaper than buying an entire fork assembly. This makes it a practical solution for owners who only need to address specific wear or damage.

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### **Cons of Buying These Parts**

1. **Age-Related Wear and Availability Issues**

- As the RM125 is now over 30 years old, finding new or high-quality used parts can be challenging. Some dealers may only carry these parts in limited quantities, leading to potential delays or higher prices.

- The quality of used parts may vary, and some may have been improperly stored or repaired, leading to premature failure.

2. **Potential for Compatibility Issues**

- While these parts are designed for the 1987 RM125, slight variations in later or earlier model years (e.g., 1985 1990) might require minor adjustments. For example:

- The head tube or fork crown might need resurfacing if the original wear is excessive.

- The steering bearings or headset might need replacement if they are seized or worn, which could complicate the installation.

- If the bike has been modified (e.g., wider handlebars, aftermarket forks), these parts may not fit perfectly without additional work.

3. **Limited Customization Options**

- Unlike modern aftermarket parts, these components do not offer performance upgrades (e.g., stiffer clamps for better handling or adjustable headsets). They are purely functional replacements.

- Owners looking to modify the bike s handling (e.g., for racing or aggressive riding) may need to pair these with other aftermarket parts, which could increase complexity and cost.

4. **Maintenance Requirements**

- The triple clamp and steering stem, like all mechanical components, will eventually wear out. The bearings, bushings, and headset will need periodic lubrication and inspection to prevent binding or excessive play.

- Rust and corrosion are common in older bikes, especially in humid or off-road environments. The parts may require cleaning and treatment to prevent seizing.

5. **Potential for Counterfeit or Low-Quality Parts**

- The aftermarket for classic motorcycle parts can be saturated with knockoffs or poorly made replicas. Buyers should verify the authenticity and quality of the parts before purchasing, especially from online sellers.

- Some "new" parts may actually be refurbished or rebuilt, which could affect their longevity.

6. **Skill Level Required for Installation**

- Properly aligning the head tube and fork crown.

- Ensuring the steering bearings are correctly seated and lubricated.

- Tightening bolts to the manufacturer s specifications to avoid stripping or misalignment.

- Beginners or those without access to proper tools (e.g., torque wrench, alignment gauge) may struggle with a clean installation.

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### **Conclusion**

Buying the Suzuki RM125 steering stem (51311-14500) and triple clamp/tree top head (51410-14500) for a 1987 model is a **practical and cost-effective solution** for restoring or maintaining the bike s original handling characteristics. These parts offer a direct replacement with minimal modifications required, making them ideal for owners who prioritize authenticity and simplicity.

However, the **challenges of availability, potential compatibility issues, and maintenance demands** should be carefully considered. If you are restoring a bike to its original condition or replacing worn components, these parts are a solid choice. For those looking to modify the bike s handling or performance, additional aftermarket components may be necessary.

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### **Recommendation**

1. **Verify the Bike s Condition First**

- Before purchasing these parts, inspect the head tube, fork crown, and steering bearings. If they are severely worn or corroded, address those issues first to ensure a smooth installation.

2. **Source Parts from Reputable Dealers**

- Purchase from well-known classic motorcycle parts suppliers, eBay sellers with high ratings, or local Suzuki specialists. Avoid unknown sources to reduce the risk of counterfeit or damaged parts.

- If buying used, request photos or a video inspection of the parts to check for wear, rust, or damage.

3. **Consider a Full Headset or Bearings Replacement**

- If the steering feels loose or stiff, replace the headset or bearings alongside the stem and clamp. This ensures the bike handles correctly and prevents future issues.

4. **Follow Proper Installation Procedures**

- Use a torque wrench to tighten bolts to the manufacturer s specifications (typically around 30 40 ft-lbs for the triple clamp bolts).

- Ensure the fork crown is clean and flat against the head tube to avoid misalignment.

- Lubricate the steering bearings and headset with high-quality grease (e.g., lithium-based or motorcycle-specific grease).

5. **Budget for Additional Maintenance**

- Plan to periodically check and lubricate the steering components, especially if the bike is ridden off-road or in wet conditions. Rust can quickly compromise these parts if neglected.

6. **Alternative Options for Customization**

- If you want to improve handling, consider upgrading to aftermarket triple clamps (e.g., from **Race Tech, Ohlsson, or B&M**) that offer stiffer mounts or adjustable features. However, these may not be a direct drop-in replacement and could require modifications.

For **restoration, replacement, or maintaining the original feel** of a 1987 Suzuki RM125, these parts are a **reliable and affordable choice**. However, if you encounter availability issues or compatibility concerns, explore alternative sources or consider aftermarket alternatives for a more modern or adjustable setup. Always prioritize quality and proper installation to ensure safety and longevity.

Details:

Size / Dimensions: NA. The bearing is not seized but does have surface rust. Brand: Suzuki. Hull Brothers Trading Company.

Overall in good condition. Model: RM125. Included Items: Triple tree. Quality Finds Honest Deals Fast Shipping.

We reuse packing materials when possible. Based in the Ozarks Specializing quality pre-owned goods. Condition: Used. No damage, bends, cracks or breaks.

Good used upper and lower triple tree. Year / Era: 87.

part #: 5131114500 prices

• $39.99-$215.55

specifications cyclevintagee:

• for models: Rm125
• for makes: Suzuki
• for years: 1987
• mpn: 51311-14500
• part type: Steering Clamp Head
• machine type: Dirtbike
• color: Silver
• material: Aluminum
• placement on vehicle: Front

seller cyclevintagee:

• # reviews: 164
• city: Marionville, Missouri
• rating: 100.0%

general cyclevintagee:

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

returns cyclevintagee:

• policy: No Returns

shipping cyclevintagee:

• transit: 5-11 Days
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• cost: $0.00
• type: Calculated

payments cyclevintagee:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer cyclevintagee:

• started: May 30, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True

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