1. Electrical & Ignition Components Offered
  2. sku: 5192677894100752
  3. BFO 05MAFC

BFO 05MAFC Alternator Regulator Kit Bigtwin Cam 29985-87

fits model: Twin. make: Harley. year: 1970-99.

29985-87 Bfo 05mafc Alternator Regulator Kit For Harley Bigtwin 1970-99 Non-twin Cam

( Brand: Bfo ), ( Part Type: Alternator Regulator Cam ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Year: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 ), ( Manufacturer Part Number: 05MAFC ), ( Oe/oem Part Number: 29985-87 ), ( Unit Type: Unit ), ( Universal Fitment: No ), ( Vintage Part: Yes )

Review BFO Alternator Regulator Kit Harley Bigtwin Non twin Cam fits TWIN 1970-99

The BFO 05MAFC Alternator Regulator Kit is specifically designed for Harley-Davidson Big Twin motorcycles manufactured between 1970 and 1999, excluding non-twin cam models. This regulator kit is an essential upgrade for your motorcycle's charging system, ensuring optimal performance and reliability.

The heart of this kit is the Alternator Regulator, which is responsible for controlling the voltage output of your motorcycle's charging system. This regulator is designed to replace the original OEM part, providing improved regulation and stability, ensuring your battery stays charged effectively. The regulator is built with a robust design, featuring a die-cast aluminum housing and a high-temperature, silicone seal to protect against the harsh conditions of the road.

The kit also includes a set of wiring harnesses, which are engineered to provide a perfect fit on your Harley-Davidson Big Twin. These wiring harnesses are designed with OEM-quality connectors, ensuring a secure and reliable connection to your motorcycle's electrical system. The harnesses are also insulated with high-quality materials, providing protection against the elements and preventing potential electrical issues.

The BFO 05MAFC Alternator Regulator Kit is a direct replacement for the original OEM part, ensuring easy installation. The kit comes with clear and detailed instructions, making the installation process straightforward and hassle-free. Additionally, the kit includes all necessary hardware, such as mounting brackets and bolts, making it a complete solution for upgrading your motorcycle's charging system.

In summary, the BFO 05MAFC Alternator Regulator Kit is an essential upgrade for Harley-Davidson Big Twin motorcycles manufactured between 1970 and 1999, excluding non-twin cam models. The kit features a robust regulator with a die-cast aluminum housing, high-temperature silicone seal, and OEM-quality wiring harnesses. The installation process is straightforward, and the kit includes all necessary hardware for a complete solution.

Buying a BFO 05MAFC Alternator Regulator Kit for Harley Big Twin 1970-99: A Comprehensive Analysis

1. Background:

The BFO 05MAFC Alternator Regulator Kit is designed for Harley-Davidson Big Twin motorcycles manufactured between 1970 and 1999, excluding twin-cam models. This kit is intended to replace the stock alternator regulator.

2. Advantages:

- Improved Charging: The BFO 05MAFC Alternator Regulator Kit enables more efficient charging, ensuring your battery stays charged and your electrical system functions optimally.

- Enhanced Reliability: This kit is built with high-quality components, reducing the likelihood of electrical issues and prolonging the life of your charging system.

- Easy Installation: The kit comes with clear instructions, making the installation process straightforward for most DIY enthusiasts.

3. Disadvantages:

- Cost: The BFO 05MAFC Alternator Regulator Kit is priced higher than OEM alternatives, which might be a deterrent for some buyers.

- Compatibility: Ensure that this kit is compatible with your specific Harley-Davidson Big Twin model before making the purchase.

4. Conclusion:

The BFO 05MAFC Alternator Regulator Kit offers several benefits, including improved charging, enhanced reliability, and easy installation. However, the higher cost compared to OEM alternatives and potential compatibility concerns are factors that need to be considered before making a purchase. Ultimately, if you are experiencing charging issues or want to upgrade your electrical system for improved performance, this kit could be a worthwhile investment.

5. Recommendation:

If you own a Harley-Davidson Big Twin motorcycle from the 1970-1999 era and suspect charging issues or want to upgrade your electrical system, the BFO 05MAFC Alternator Regulator Kit is a solid choice. Ensure the kit is compatible with your specific model, and consider the higher cost as an investment in your motorcycle's performance and longevity.

part # 05mafc price

  • $131.89

specifications ignitioncompo:

  • for models: Twin
  • for makes: Harley
  • for years: 1970-99
  • brand: Bfo
  • part type: Alternator Regulator Cam
  • california prop 65 warning: California Prop 65 Warning
  • compatible year: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
  • manufacturer part number: 05MAFC
  • oe/oem part number: 29985-87
  • unit type: Unit
  • universal fitment: No
  • vintage part: Yes

offer ignitioncompo:

  • sold: 0
  • options: Ship-to-home
  • started: July 3, 2025
  • quantity: 5
  • availability: In Stock

general ignitioncompo:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components

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  • time: 30 Days
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seller ignitioncompo:

  • rating: 98.6%
  • # reviews: 10834

shipping ignitioncompo:

  • class: Standard
  • type: Fixed
  • transit: 5-8 Days
  • service: Standard
  • cost: $0.00
for models: twin, for makes: harley, for years: 1970-99, part type: alternator regulator cam, california prop 65 warning: california prop 65 warning, compatible year: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, oe/oem part number: 29985-87, unit type: unit, universal fitment: no, vintage part: yes,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components, sku: 5192677894100752,

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