1. Drive Belts & Parts Motorcycle For Sale
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  3. HARLEY DAVIDSON THUNDERSTAR

HARLEY-DAVIDSON Thunderstar Rear Pulley Belt Drive 40064-98 65 1/2

fits make: Harley. year: 1984-99.

40064-98 Harley-davidson Thunderstar 65 Tooth Rear Pulley 1 1/2 Belt Drive Oem 1984-99

( Brand: Harley-davidson ), ( Manufacturer Part Number: THUNDERSTAR ), ( Type: Rear Pulley ), ( Ipn: 40064-98 ), ( Items Included: Pulley ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: No )

Review HARLEY DAVIDSON 65 Tooth Rear Pulley 1/2 Belt Drive Oem 1984 fits 1984-99

The Harley-Davidson 40064-98 Thunderstar 65 Rear Pulley is an essential component of the belt drive system for select Harley-Davidson motorcycles manufactured between 1984 and 1999. This pulley is specifically designed for use with the Thunderstar 65 engine and 1/2 belt drive system.

Measuring approximately 12.8 inches in diameter and 5.3 inches wide, the pulley is a significant component of the motorcycle's power transmission system. It features a robust cast aluminum construction that ensures durability and longevity, even under the heavy loads and extreme operating conditions typical of Harley-Davidson motorcycles.

The Thunderstar 65 Rear Pulley is engineered with a precise balance of weight and strength to minimize vibration and optimize engine performance. It is also designed to accommodate a 1/2 inch belt, ensuring a secure and reliable connection between the engine and the rear wheel.

The pulley's smooth, polished finish not only adds to the aesthetic appeal of the motorcycle but also helps reduce friction and wear on the drive belt, leading to longer belt life and reduced maintenance requirements.

Installing the Thunderstar 65 Rear Pulley is a straightforward process that can be accomplished with basic hand tools. Harley-Davidson provides detailed installation instructions to help ensure a proper fit and function.

In summary, the Harley-Davidson 40064-98 Thunderstar 65 Rear Pulley is a critical component of the belt drive system for select Harley-Davidson motorcycles produced between 1984 and 1999. Its robust cast aluminum construction, precise design, and smooth finish ensure optimal engine performance, durability, and longevity.

The Harley-Davidson Thunderstar 65 rear pulley 1/2 belt drive (Part Number: 40064-98) is a crucial component in the belt drive system of Harley-Davidson motorcycles manufactured between 1984 and 1999. This pulley is responsible for driving the rear wheel through the belt and the transmission. Let's discuss the potential pros and cons of purchasing this part.

Pros:

1. OEM Part: This pulley is an original equipment manufacturer (OEM) part, which means it is specifically designed and manufactured by Harley-Davidson for their motorcycles.

2. High-Quality Construction: OEM parts are known for their superior quality and durability as they are engineered to meet the exact specifications of the motorcycle.

3. Enhanced Performance: A new pulley can improve the overall performance of the motorcycle by ensuring that the belt drive system functions efficiently and effectively.

4. Long-Lasting: The OEM pulley is designed to last longer than aftermarket alternatives, reducing the need for frequent replacements.

Cons:

1. Cost: OEM parts tend to be more expensive than aftermarket alternatives due to their high-quality construction and the brand name.

2. Availability: Depending on the location and availability, it may take some time to source and receive the OEM part.

3. Limited Compatibility: This pulley is specifically designed for Harley-Davidson motorcycles manufactured between 1984 and 1999 with a 1/2 belt drive system.

Conclusion:

The Harley-Davidson Thunderstar 65 rear pulley 1/2 belt drive (Part Number: 40064-98) is an essential component for maintaining the performance and reliability of Harley-Davidson motorcycles from the specified timeframe. While it may come with a higher cost, the benefits of purchasing an OEM part include high-quality construction, long-lasting durability, and enhanced performance. If you are a Harley-Davidson motorcycle owner within the specified timeframe and are experiencing issues with your belt drive system, an OEM pulley may be the best investment for your bike's longevity and overall performance.

Details:

Cost for Lower 48 States Only. 1984 1999 Harley model's. That use a 65 Tooth 1/2 Rear belt Drive Pulley. 1/2 Belt Drive.

GENUINE OEM Quality by Harley Davidson.

part #: thunderstar prices

  • $29.95-$199.95

specifications drivebeltcycleoi:

  • for makes: Harley
  • for years: 1984-99
  • brand: Harley-davidson
  • mpn: Thunderstar
  • type: Rear Pulley
  • ipn: 40064-98
  • items included: Pulley
  • country/region of manufacture: United States
  • universal fitment: No

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  • condition: New other see details
  • Transmission Drivetrain > Final Primary Drive Parts Kits > Final Drive Belts Chains

seller drivebeltcycleoi:

  • # reviews: 11740
  • city: Harleysville, Pennsylvania
  • rating: 99.5%

returns drivebeltcycleoi:

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

shipping drivebeltcycleoi:

  • type: Fixed
  • transit: 4-9 Days
  • cost: $19.89
  • service: Standard
  • class: Standard

offer drivebeltcycleoi:

  • availability: In Stock
  • options: Ship-to-home
  • best offers: True
  • started: June 17, 2025
  • quantity: 1
  • sold: 0
for makes: harley, for years: 1984-99, type: rear pulley, items included: pulley, country/region of manufacture: united states, universal fitment: no,
category: auto parts > transmission drivetrain > final primary drive parts kits > final drive belts chains, sku: 14531454433701751,
Harley-davidson THUNDERSTAR Is Similar To:
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2 offers $29.95–$199.95 USD
  • Used. Offer #1 priced at $199.95 + $19.95 shipping estimate = $219.90* total. XL & XR Models OEM Harley-Davidson Sportster 04-22 XL & XR models.+$19.95 shipping
  • Used. Offer #2 priced at $29.95 + $9.99 shipping estimate = $39.94* total. 3, 4, 16 . Compatibility: Most commonly fits 1991 2003 Sportster XL models (883 and 1200) with a 61-tooth rear pulley.+$9.99 shipping

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