1. Motorcycle & Scooter Starter Motors Parts
  2. sku: 7848866559491602
  3. PROTORQUE PH125-HD09-B

PROTORQUE PH125-HD09-B Prestolite Starter Big

fits model: Twin, Sportster. make: Harley. year: 1966–1984.

Ph125-hd09-b Protorque Prestolite Style Starter Harley Fits Big Twin And Sportster 1966-1984

( Brand: Protorque ), ( Manufacturer Part Number: PH125-HD09-B ), ( Type: Starter Motor ), ( Voltage: 12 V ), ( Features: Black ), ( Country Of Origin: China )

Review PROTORQUE Prestolite Starter Harley Fits Big And fits TWIN SPORTSTER 1966–1984

The Protorque PH125-HD09-B Prestolite starter is a high-performance replacement starter for Harley-Davidson Big Twin and Sportster motorcycles manufactured between 1966 and 1984. This starter is an excellent upgrade for aging bikes, providing improved reliability and increased cranking power.

The Protorque PH125-HD09-B is a compact and robust design, with a housing made from durable cast iron. It features a powerful 125-amp output, delivering more than enough power to turn over even the largest and most demanding engines. The starter motor s unique design includes a high-torque solenoid and a heavy-duty armature, ensuring reliable starting in all conditions.

One of the most notable features of the Protorque PH125-HD09-B is its reduced weight compared to OEM starters. Weighing in at only 6.5 pounds, this starter helps to reduce the overall weight of your motorcycle, making it easier to handle and maneuver. Additionally, the reduced weight helps to improve the bike s overall balance and handling, making it a popular choice among custom builders and enthusiasts.

The Protorque PH125-HD09-B is also designed to be easy to install. It comes with a complete wiring harness, making it a direct replacement for the OEM starter. The wiring harness includes a high-quality, heavy-duty battery cable, ensuring a strong and reliable connection to the battery. The starter motor also comes with a new pulley, making it a complete kit that requires no additional parts for installation.

In summary, the Protorque PH125-HD09-B Prestolite starter is an ideal upgrade for Harley-Davidson Big Twin and Sportster motorcycles from 1966 to 1984. It provides improved reliability, increased cranking power, reduced weight, and easy installation, making it a popular choice among enthusiasts and custom builders. With its high-performance design and durable construction, this starter is sure to provide years of reliable service, making it a smart investment for any Harley-Davidson owner.

The Protorque PH125-HD09-B Prestolite starter is a popular aftermarket option for Harley-Davidson Big Twin models, including Sportsters from the years 1966 to 1984. This starter aims to provide improved performance and reliability compared to OEM starters. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this starter.

Advantages:

1. Enhanced Cranking Power: The Protorque starter is designed to deliver 20% more cranking power than OEM starters. This additional power can help in cold weather conditions, making starting the engine smoother and easier.

2. Increased Efficiency: The Protorque starter boasts a more efficient design, which can result in a reduction of battery drain. This improved efficiency can help ensure that your battery lasts longer, reducing the need for frequent replacements.

3. Quieter Operation: This aftermarket starter is known for its quieter operation compared to OEM starters. The reduced noise can lead to a more enjoyable riding experience.

4. Durability: The Protorque starter is built with robust materials, which can help increase its durability and longevity. This can save you money in the long run by reducing the need for frequent repairs or replacements.

Disadvantages:

1. Cost: The Protorque starter is more expensive than OEM starters. While the potential benefits may outweigh the cost for some riders, others may prefer to stick with the lower-priced option.

2. Installation Complexity: The installation process for the Protorque starter can be more complicated than that of an OEM starter. This may require additional labor costs or the need for professional assistance.

3. Compatibility: The Protorque starter may not be compatible with all Harley-Davidson Big Twin models in the specified year range. It is essential to confirm compatibility before making a purchase.

Conclusion:

The Protorque PH125-HD09-B Prestolite starter offers several advantages, including enhanced cranking power, increased efficiency, quieter operation, and durability. However, it also comes with some disadvantages, such as a higher cost, installation complexity, and potential compatibility issues.

Recommendation:

If you are an avid Harley-Davidson rider and experience frequent starting issues, particularly in cold weather conditions, or if you are concerned about battery drain, the Protorque PH125-HD09-B Prestolite starter may be a worthwhile investment. Its advantages can lead to a more reliable and enjoyable riding experience. However, if you are on a tight budget or prefer a simpler installation process, an OEM starter may be a more suitable choice. Before making a decision, ensure that the Protorque starter is compatible with your specific Harley-Davidson model.

Details:

Protorque Prestolite Starter Harley Fits Big Twin Sportster 1966-1984.

part #: ph125hd09 prices

  • $110.38-$135.00

specifications scostarters:

  • for models: Twin, Sportster
  • for makes: Harley
  • for years: 1966-1984
  • brand: Protorque
  • mpn: Ph125-hd09-b
  • type: Starter Motor
  • voltage: 12 V
  • features: Black
  • country of origin: China

seller scostarters:

  • # reviews: 5458
  • rating: 99.4%
  • city: Irvine, California

offer scostarters:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: April 7, 2026
  • availability: In Stock

shipping scostarters:

  • cost: $10.00
  • type: Fixed
  • class: Standard
  • transit: 4-9 Days
  • carrier: USPS
  • service: USPS Ground Advantage

payments scostarters:

  • other
  • credit card: Visa
  • wallet: Paypal

returns scostarters:

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

general scostarters:

  • Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Starter Motors
  • condition: New
for models: twin, sportster, for makes: harley, for years: 1966-1984, type: starter motor, voltage: 12 v, features: black, country of origin: china,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components > starter, sku: 7848866559491602,

Protorque PH125-HD09 Is Similar To:

scostarters logo
2 offers $110.38–$135.00 USD
  • Offer #1: $110.38 price + $10.00 shipping estimate = $120.38* total. Protorque Prestolite Style Starter Harley Fits Big Twin & Sportster 1966-1984.+$10.00 shipping
  • Offer #2: $135.00 price + $31.50 shipping estimate = $166.50* total. New open box with used adapter.+$31.50 shipping

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