1. Motorcycle & Scooter Starter Motors Parts
  2. sku: 6558316589306771
  3. HITACHI S108-66

HITACHI S108-66 Electric Starting Motor

fits model: Twin. make: Harley, Davidson. year: 1966–1988.

S108-66 Hitachi Electric Starting Motor For Harley Davidson 1966-1988 V-twin

( Brand: Hitachi ), ( Manufacturer Part Number: S108-66 ), ( Power Rating: .6kw ), ( Number Of Teeth: More Than 7 ), ( Type: Starter Motor ), ( Machine Type: Street Motorcycle ), ( Manufacturer Warranty: 1 Year ), ( Voltage: 12 V ), ( Features: Counterclockwise Rotation )

Review HITACHI Electric Starting Motor For Harley Davidson V twin fits TWIN 1966–1988

The Hitachi S108-66 electric starting motor is a high-performance replacement option for Harley-Davidson V-twin motorcycles manufactured between 1966 and 1988. Designed with a robust construction and advanced features, this starting motor ensures reliable starting in various weather conditions and challenging environments.

The motor boasts a powerful 2.5-ampere output, which delivers quick and efficient starting performance. The motor's durable design includes a high-tensile armature, copper commutator, and heavy-duty brushes to ensure long-lasting performance. The Hitachi S108-66 motor features a compact and lightweight design, making it an excellent fit for older Harley-Davidson models without compromising the bike's appearance or handling.

The motor's external design is characterized by its rugged and sleek appearance with a black finish that complements the classic look of the Harley-Davidson motorcycles. The Hitachi S108-66 motor's two-bolt mounting pattern makes installation easy and straightforward, requiring minimal modifications to the bike's original wiring harness or starting system.

This electric starting motor comes with a 12-month limited warranty from Hitachi, ensuring peace of mind for customers. The warranty covers any defects in materials or workmanship, ensuring that the motor performs as intended and meets the high standards of Hitachi. Additionally, the Hitachi S108-66 motor is compatible with various starting switches and ignition systems, making it a versatile solution for various Harley-Davidson V-twin models.

In summary, the Hitachi S108-66 electric starting motor is a high-performance and reliable replacement option for Harley-Davidson V-twin motorcycles manufactured between 1966 and 1988. Its powerful output, durable construction, and easy installation make it an excellent choice for motorcycle enthusiasts looking to restore their vintage Harley-Davidson to its former glory.

Pros and Cons of Buying a Hitachi S108-66 Electric Starting Motor for Harley Davidson V-Twin (1966-1988)

1. Pros:

a. Compatibility: Designed specifically for Harley Davidson V-Twin models from 1966 to 1988, ensuring a perfect fit.

b. Powerful: A 1.1 horsepower motor delivers more power than the original, making starting easier, even in cold weather.

c. Reliable: Hitachi is known for producing high-quality, durable products, and this motor is no exception.

d. Convenient: An electric starter motor offers the convenience of push-button starting, eliminating the need for kick-starting.

e. Easy Installation: The Hitachi S108-66 motor can be installed without major modifications to the bike, making it a popular choice for many Harley Davidson enthusiasts.

2. Cons:

a. Cost: The Hitachi S108-66 electric starting motor is more expensive than the original starter.

b. Weight: The electric starter adds weight to the bike, which could slightly impact performance. However, the difference is negligible for most riders.

c. Complexity: While the installation process is relatively straightforward, some users may find the wiring and connections to be more complex than the traditional kick-start setup.

Ending Conclusion:

The Hitachi S108-66 electric starting motor for Harley Davidson V-Twin models between 1966 and 1988 offers numerous benefits, such as ease of use, reliability, and improved starting power. However, it comes with a higher cost and added weight compared to the original kick-start setup. Ultimately, the decision to invest in an electric starter motor depends on your personal preferences, budget, and riding style.

Recommendation:

If you prioritize convenience and the ease of starting your Harley Davidson, especially in cold weather, then the Hitachi S108-66 electric starting motor is an excellent investment. However, if you prefer the traditional feel of a kick-start motor and are on a tight budget, you may want to consider sticking with the original setup. Alternatively, if you're looking for a balance between the two, consider exploring other aftermarket electric starter motor options that may offer a more affordable price point while still delivering reliable performance.

Details:

Made by the trusted brand Hitachi, this motor is compatible with 12V electrical systems. With a power rating of .6KW and featuring more than 7 teeth, this starter motor ensures reliable efficient starting performance. The Hitachi S108-66 Electric Starting Motor is designed specifically for Harley Davidson V-Twin motorcycles from 1966 to 1988. The counterclockwise rotation feature adds convenience and ease to starting your motorcycle.

specifications scostarters:

  • for models: Twin
  • for makes: Harley, Davidson
  • for years: 1966-1988
  • brand: Hitachi
  • mpn: S108-66
  • power rating: .6kw
  • number of teeth: More Than 7
  • type: Starter Motor
  • machine type: Street Motorcycle
  • manufacturer warranty: 1 Year
  • voltage: 12 V
  • features: Counterclockwise Rotation

payments scostarters:

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

shipping scostarters:

  • service: USPS Ground Advantage
  • carrier: USPS
  • class: Standard
  • transit: 4-10 Days
  • type: Calculated
  • cost: $7.66

offer scostarters:

  • started: December 12, 2025
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • quantity: 1

general scostarters:

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

returns scostarters:

  • policy: No Returns

seller scostarters:

  • # reviews: 16
  • rating: 100.0%
  • city: Warren, Minnesota
for models: twin, for makes: harley, davidson, for years: 1966-1988, power rating: .6kw, number of teeth: more than 7, type: starter motor, machine type: street motorcycle, manufacturer warranty: 1 year, voltage: 12 v, features: counterclockwise rotation,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components > starter, sku: 6558316589306771,

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