
( Brand: Bfo ), ( Part Type: Alternator Generator ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Year: 1983, 1982, 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, 1973, 1972, 1971, 1970 ), ( Manufacturer Part Number: 1LKUM4 ), ( Manufacturer Warranty: 2 Years ), ( Oe/oem Part Number: 32-0371 ), ( Performance Part: Yes ), ( Unit Type: Unit ), ( Universal Fitment: No )
Review BFO Alternator Generator Conversion Kit Harley Xl fits FL 1941–1983
The BFO 1LKUM4 alternator generator conversion kit, manufactured by Bobbed FoX, is a premium upgrade solution for Harley-Davidson FL and XL motorcycles produced between 1941 and 1983. This kit, model number 32-0371, is an alternator generator conversion designed to replace the original generator and regulator system with a modern, more efficient electrical charging system.
This kit includes a high-output alternator that boasts a maximum output of 100 watts at 5,000 RPM. This significant increase in power can help ensure that your classic Harley-Davidson maintains a steady battery charge, even during long rides or while carrying additional electrical accessories.
The alternator is housed in a robust, billet aluminum housing that has been designed to withstand the rigors of regular motorcycle use. The alternator pulley is also made from billet aluminum, ensuring a precise fit and minimal vibration.
The conversion kit also includes a voltage regulator and a wiring harness that are specifically designed to work with the Harley-Davidson electrical system. The regulator ensures that the charging voltage is maintained within the optimal range for the battery, preventing overcharging or undercharging.
The wiring harness is designed to be easily installed, with plug-and-play connectors that eliminate the need for extensive wiring modifications. The harness includes connectors for the headlight, tail light, and other essential electrical components, making the installation process as straightforward as possible.
The conversion kit comes with all necessary hardware for installation, including mounting brackets, bolts, and washers. The instructions provided with the kit are clear and detailed, ensuring a trouble-free installation process.
In summary, the BFO 1LKUM4 alternator generator conversion kit is an excellent investment for any Harley-Davidson FL or XL motorcycle owner from 1941 to 1983. This kit provides a significant increase in charging capacity, is easy to install, and is made from high-quality materials that are built to last. With this conversion, you can enjoy the reliability and performance of a modern electrical charging system on your classic Harley-Davidson motorcycle.
Buying a BFO 1LKUM4 alternator generator conversion kit (32-0371) for Harley-Davidson FL XL motorcycles manufactured between 1941 and 1983 involves considering several pros and cons. Here's a detailed analysis:
Pros:1. Improved Charging System: The BFO kit upgrades the motorcycle's charging system from a 6-volt to a 12-volt system. This improvement allows for better battery charging, prolonged battery life, and the ability to power additional accessories.
2. Enhanced Lighting: With the increased voltage, the motorcycle's lighting system will be significantly improved. This includes brighter headlights and tail lights, which enhances safety and visibility.
3. Easier Starting: A stronger charging system results in easier starting, as the battery will always be charged and ready to go.
4. Increased Compatibility: The BFO kit allows the use of modern accessories, such as GPS, radios, and mobile phone chargers, which were previously unavailable or difficult to use with the original 6-volt system.
5. Reduced Maintenance: The new generator design is more reliable and requires less maintenance compared to the original generators.
Cons:1. Cost: The kit can be quite expensive, especially when considering the cost of additional parts needed for the installation, such as wiring harnesses, regulators, and batteries.
2. Complex Installation: Installing the kit requires a fair amount of mechanical skill and experience. It involves removing the engine, generator, and wiring harness, as well as making several electrical connections.
3. Potential Compatibility Issues: While the kit is designed to be universal, there may be some compatibility issues with specific motorcycle models or years. It's essential to research and ensure the kit is suitable for your specific bike.
4. Risk of Damage: Installing the kit involves working with electrical components, which can be risky if not done correctly. There is a potential for damaging the motorcycle, as well as personal injury.
5. Weight Increase: The new alternator is heavier than the original generator, which may affect the motorcycle's handling and performance.
Conclusion:The decision to buy a BFO 1LKUM4 alternator generator conversion kit for a Harley-Davidson FL XL motorcycle manufactured between 1941 and 1983 depends on the rider's specific needs and circumstances. If you frequently use modern accessories or desire improved lighting and charging capabilities, the benefits of the conversion may outweigh the costs and challenges. However, if you're not comfortable with complex installations or the associated risks and costs, it might be best to stick with the original 6-volt system. It's essential to thoroughly research the kit, consult with professionals, and weigh the pros and cons carefully before making a decision.
Recommendation:If you decide to proceed with the conversion, we recommend purchasing the kit from a reputable dealer or supplier, ensuring that you have all the necessary tools and expertise to perform the installation correctly. Additionally, consider seeking professional assistance to minimize the risks and ensure a successful outcome.
specifications ignitioncompo:
- for models: Fl
- for makes: Harley
- for years: 1941-1983
- brand: Bfo
- part type: Alternator Generator
- california prop 65 warning: California Prop 65 Warning
- compatible year: 1983, 1982, 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, 1973, 1972, 1971, 1970
- manufacturer part number: 1LKUM4
- manufacturer warranty: 2 Years
- oe/oem part number: 32-0371
- performance part: Yes
- unit type: Unit
- universal fitment: No
offer ignitioncompo:
- sold: 0
- availability: In Stock
- options: Ship-to-home
- started: February 12, 2026
- quantity: 4
- best offers: True
returns ignitioncompo:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
shipping ignitioncompo:
- carrier: FedEx
- cost: $0.00
- type: Fixed
- service: FedEx Ground / FedEx Home Delivery
- transit: 5-8 Days
- class: Standard
general ignitioncompo:
- condition: New
- Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
seller ignitioncompo:
- # reviews: 21821
- rating: 99.2%
payments ignitioncompo:
- wallet: Google-pay
- other
- credit card: Mastercard
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