BOSS BEARING 79-2109B Starter Clutch Fxb

( Brand: Boss Bearing ), ( Manufacturer Part Number: 79-2109B ), ( Part Type: Starter Clutch ), ( Compatible Make: Harley ), ( Authorized Dealer: Yes ), ( Storecategoryid: 3507700016 )

Review BOSS BEARING Starter Clutch Harley Davidson Fxb fits STURGIS 1980–1981

The **Boss Bearing 79-2109B Starter Clutch** is a meticulously engineered replacement part designed specifically for Harley-Davidson s iconic **FXB Sturgis models from 1980 and 1981**, ensuring seamless performance and reliability for riders who demand nothing less than perfection. Crafted with precision and built to endure the rigorous demands of high-performance engines, this starter clutch is a direct-fit solution that eliminates the frustration of compatibility issues, allowing mechanics and enthusiasts alike to restore or upgrade their classic Sturgis with confidence. The clutch features a robust **steel cage assembly** reinforced with high-grade bearings, including a **ball-bearing design** that minimizes friction and wear while delivering smooth, consistent engagement critical for preventing starter motor strain and ensuring reliable cranking power in even the coldest conditions. Its **durable spring mechanism** maintains optimal tension, reducing the risk of premature failure and extending the lifespan of both the starter and the engine s flywheel. Whether restoring a vintage Sturgis to its original glory or upgrading an existing setup for enhanced durability, the **Boss Bearing 79-2109B** stands as a testament to quality craftsmanship, offering a perfect blend of performance and longevity. Built to meet or exceed OEM standards, this clutch is an essential component for any serious rider seeking to preserve the integrity of their Harley while ensuring trouble-free starts, season after season.

### Pros and Cons of Buying a Boss Bearing 79-2109B Starter Clutch for a Harley-Davidson FXB Sturgis (1980-1981)

1. **Compatibility and Fit:** The Boss Bearing 79-2109B starter clutch is specifically designed for Harley-Davidson FXB Sturgis models from 1980 to 1981. This ensures a direct fit without the need for extensive modifications, reducing installation complications.

2. **Quality Construction:** Boss Bearing is a well-regarded brand known for producing durable and reliable starter components. Their products are often built to withstand the demands of high-performance engines and frequent use, which is beneficial for a Harley-Davidson.

3. **Reliability:** A high-quality starter clutch can improve the reliability of your bike s starting system. It reduces the likelihood of common issues like slipping, grinding, or premature wear, which can be frustrating and costly to repair.

4. **Ease of Installation:** Since it is an OEM (Original Equipment Manufacturer) or OEM-compatible part, the installation process is typically straightforward. Many users report that they can replace the starter clutch with basic tools and minimal mechanical knowledge.

5. **Cost-Effective:** Replacing a faulty starter clutch is often more affordable than overhauling the entire starter motor or dealing with electrical issues that can arise from a worn-out clutch. It s a targeted fix that addresses a specific problem.

6. **Extended Lifespan:** A quality starter clutch can extend the life of your starter motor by reducing unnecessary strain and wear. This can save you money in the long run by delaying the need for a full starter replacement.

7. **Performance:** A properly functioning starter clutch ensures smooth engagement and disengagement of the starter pinion with the flywheel ring gear. This results in quicker and more reliable starts, especially in cold weather or after long periods of inactivity.

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1. **Cost:** While the part itself may not be extremely expensive, the labor cost for installation can add up, especially if you re not comfortable doing it yourself. If you take it to a mechanic, the total cost may be higher than anticipated.

2. **Availability and Lead Times:** Depending on where you purchase the part, there might be delays in receiving it. Some specialty shops or online retailers may have limited stock, which could cause inconvenience if you re in a hurry to fix the issue.

3. **Potential for Counterfeit Parts:** As with many aftermarket or OEM-compatible parts, there is a risk of purchasing a counterfeit or low-quality imitation. Always buy from reputable sellers to avoid this issue.

4. **Additional Wear on Related Components:** If the starter clutch is worn out due to neglect or excessive use, other components like the starter motor, flywheel, or ring gear might also be damaged. This could require additional repairs beyond just replacing the clutch.

5. **Skill Requirement for DIY Installation:** While the installation is generally straightforward, it does require some mechanical skill and access to basic tools. If you re not experienced with motorcycle maintenance, you might encounter challenges during the process.

6. **Warranty Limitations:** Some aftermarket parts, including starter clutches, may not come with long-term warranties. If the part fails shortly after installation, you might be responsible for the cost of replacement or repair.

7. **Environmental Factors:** If your Harley is frequently ridden in harsh conditions (e.g., extreme cold, dust, or moisture), the starter clutch may wear out faster than expected. Regular maintenance and care are essential to prolong its lifespan.

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The Boss Bearing 79-2109B starter clutch is a solid choice for a 1980-1981 Harley-Davidson FXB Sturgis if you re experiencing issues with starting reliability, grinding noises, or a slipping starter. Its compatibility, durability, and ease of installation make it a practical solution for many riders. However, the decision to purchase it should consider factors like cost, availability, and your comfort level with DIY repairs.

If you re facing persistent starting problems and suspect the starter clutch is the culprit, replacing it with a Boss Bearing part is a reasonable and cost-effective fix. Just ensure you purchase from a trusted source and consider the potential need for additional maintenance or repairs to related components.

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If your Harley s starter clutch is worn or malfunctioning, I recommend purchasing the **Boss Bearing 79-2109B starter clutch** as a reliable replacement. Here s how to proceed:

1. **Verify the Issue:** Confirm that the problem is indeed the starter clutch (e.g., grinding noise, starter slipping, or inconsistent starts) before purchasing. A mechanic can help diagnose the issue if you re unsure.

2. **Buy from a Reputable Source:** Purchase the part from a trusted dealer, online retailer with good reviews (such as RockAuto, Harley-Davidson authorized parts stores, or specialty motorcycle shops), or a well-known aftermarket parts supplier. Avoid cheap, unbranded alternatives that may not meet quality standards.

3. **Prepare for Installation:** Gather the necessary tools (socket set, torque wrench, possibly a starter puller if the clutch is seized) and familiarize yourself with the installation process. Harley-Davidson service manuals or online tutorials can guide you through the steps.

4. **Consider Professional Help if Needed:** If you re not confident in your mechanical skills, consult a motorcycle mechanic to handle the installation. This ensures the job is done correctly and avoids potential damage to other components.

5. **Perform Regular Maintenance:** After installation, keep an eye on the starter system s performance. Regularly check for signs of wear or issues, and address them promptly to avoid future problems.

6. **Keep Spare Parts Handy:** If your Harley is frequently ridden or stored in harsh conditions, consider keeping a spare starter clutch on hand or budgeting for potential future replacements.

In summary, the Boss Bearing 79-2109B starter clutch is a **strong recommendation** for your 1980-1981 FXB Sturgis, provided you address the issue promptly and maintain the starter system thereafter. This part will likely restore reliable starting performance and extend the life of your bike s electrical components.

Details:

Expedited Shipping is offered using USPS Express for an extra fee. Starter Clutch 79-2109B for Harley Davidson FXB Sturgis 1980 - 1981: $56.55. Starter Clutch 79-2109B for Harley Davidson FXE Super Glide 1974 - 1979. Free USPS shipping anywhere in the US, including AK, HI and PR.

Starter Clutch 79-2109B for Harley: Replacement starter clutch assemblies are designed to improve life under hard starting conditions.Contains:1 Clutch, Fits the following:Starter Harley Davidson FLH Electra Glide 1966 - 1977. Starter Clutch 79-2109B for Harley Davidson FX Super Glide 1971 - 1978. This means combined shipping is free also since.

part #: 792109b price

• $56.55

specifications electricacompone:

• for models: Sturgis
• for makes: Harley, Davidson
• for years: 1980-1981
• brand: Boss Bearing
• mpn: 79-2109b
• part type: Starter Clutch
• compatible make: Harley
• authorized dealer: Yes
• storecategoryid: 3507700016

shipping electricacompone:

• cost: $0.00
• service: USPS First Class, USPS Priority Mail Express
• type: Fixed
• transit: 3-7 Days
• class: Standard, Expedited
• carrier: USPS

payments electricacompone:

• other
• wallet: Apple-pay
• credit card: Discover

general electricacompone:

• ATV, Side-by-Side UTV Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
• condition: New

seller electricacompone:

• rating: 99.8%
• # reviews: 216038
• city: Statesville, North Carolina

returns electricacompone:

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

offer electricacompone:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: March 24, 2026
• quantity: 4

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