1964 Harley-Davidson FL Duo-Glide

Motorcycle

2-cyl. 1207cc/55hp

#1 Concours condition#1 Concours
#2 Excellent condition#2 Excellent
#3 Good condition#3 Good

$24,800 CAD*

+7.8%
#4 Fair condition#4 Fair
Value Graph07/2310/2301/2404/24$5k$10k$15k$20kJun 2024
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1948-1965 Harley-Davidson FL Hydra-Glide/Duo Glide stats
Highest sale
$477,400 CAD
Lowest sale
$4,499 CAD
Most recent sale
$25,273 CAD
Sales
271
insurance

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**Figure based on a stock 1964 Harley-Davidson FL valued at $24,800 CAD with ON rates with $100/300K liability/UM/UIM limits. Actual costs vary depending on the coverage selected, vehicle condition, province and other factors. Hagerty determines final risk acceptance.

Model overview

Model description

Harley Davidson’s Hydra-Glide was a significantly improved bike design, one that would carry the company through the next 17 years. The hydraulic-valve “Panhead” engine was introduced in 1948, and the telescopic front forks that gabe the bike its name came out the next year.

Powering the Hydra-Glide was a 74 cubic inch, 55 hp, OHV V-twin engine fed by a Schebler carburetor, a four-speed hand-shifted gearbox, a bucket saddle, telescopic Hydra-Glide front forks, a hard-tail rear end, a hand-operated front drum brake, and a foot-operated rear brake.

The new engine was notable for its aluminum cylinder heads with bronze valve inserts and steel guides, and the cylinder heads also had steel inserts for the cylinder bolts and plugs and used push-rod-type hydraulic lifters in the valve train. The rocker arms and cylinder heads were completely redesigned from the cast-iron “Knucklehead” engine, and the aluminum heads dissipated heat faster. A new camshaft, new exhaust ports and a new intake manifold gave an extra 5 hp and a larger oil pump boosted oil flow 25 percent to the valves where it was needed.

The Hydra-Glide FL also saw the front brake increase in size by 34 percent for 1949, while the saddle gained padding and the hand-shift pattern was reversed for the rider to be able to push away to change up gears. A foot-shift and hand-operated clutch was offered in 1952, the last year for the 61 cubic inch motor, which sported a wider gas tank and wider tires. The 1953 bikes also featured a large gold badge for Harley’s 50th anniversary, and in 1956 the Panhead motor gained high-lift cams and a flow through air cleaner for a 12 percent gain in power.

In 1958, the Duo-Glide name first appeared with rear suspension by a swing-arm (hence the “glide” front and back), and larger cylinder head fins for improved cooling. The model characterized “Dressers” and the increasing number of accessories included Royalite saddlebags, whitewall tires, a floating Buddy seat with chromed grab rail and dual exhausts.

The Duo-Glide was available as the FL and FLH, (H for Highway). Early 1960s improvements included a headlight nacelle similar to the Sportster, a larger chain and new chain oiler, and external oil lines to the valve gear. Full-width alloy finned front brake drums were then added in 1964.

The next development would be the arrival of three new Harley-Davidson models in 1965, including the Electra-Glide tourer, which gained a12-volt battery, push-button electric start and a full five-gallon fuel tank.

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Common Questions

The value of a 1964 Harley-Davidson FL Duo-Glide can vary greatly depending on its condition, mileage, options, and history. Typically, you can expect to pay around $18,200 USD for a 1964 Harley-Davidson FL Duo-Glide in good condition with average spec.

The highest selling price of a 1964 Harley-Davidson FL Duo-Glide at auction over the last three years was $42,344 CAD. The highest prices are usually reserved for rare or exceptionally well-maintained examples with desirable features or modifications and excellent history.

The lowest selling price of a 1964 Harley-Davidson FL Duo-Glide at auction over the last three years was $13,259 CAD. The lowest prices are usually paid for examples that have extensive maintenance needs, differ greatly from their original configuration, or have accident histories or title problems.

In the last three years there have been 3 1964 Harley-Davidson FL Duo-Glides sold at public auction.

The most recent auction sale of a 1964 Harley-Davidson FL Duo-Glide was $42,344 CAD on April 19, 2024 by Barrett-Jackson.

Many factors can increase a car's value including excellent condition, exceptional originality, a recent restoration, low mileage, unique provenance, desirable options, popular or unique color choices, and excellent maintenance records. Upgrades and modifications that enhance performance or aesthetics can also add value.

Factors that can decrease a car's value include unusually high mileage, poor maintenance history, visible wear and tear, accidents or damage, title issues, and gaps in ownership history. Additionally, less popular color choices and extensive modifications that don't appeal to a broad audience can reduce value.

Mileage plays a significant role in a classic car’s value. Lower mileage usually increases value because it indicates a higher degree of originality, is rarer, and suggests less wear and tear. However, cars with exceptionally low mileage may also have maintenance needs due to lack of use. Whether someone should pay more for a vehicle with lower miles will depend on how they plan on using it, and the vehicle's specific condition.

The value of modified cars differs widely based on the type and quality of modifications. While some modifications can significantly increase value, especially performance enhancements and high-quality custom work, others may not add much or could even detract from the car’s value if they appeal to only a limited audience.

All prices shown here are representative of stock condition vehicles only and based on various data sources, as detailed in About Our Prices. Value adjustments for optional equipment are in U.S. dollars. More information on how forecast models are calculated can be found on Forecasted Values page. For additional information and a complete description of benefits, visit hagerty.CA/legal. Purchase of insurance not required for membership in HDC. Hagerty, Hagerty Valuation Tools & Hagerty Drivers Club are registered trademarks of the Hagerty Group LLC, ©2024 The Hagerty Group, LLC. All Rights Reserved.