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Cruisers

1987Harley-Davidson FLST 1340 Heritage Softail

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The 1987 Harley-Davidson FLST Heritage Softail is a classic cruiser designed for riders seeking authentic American motorcycle character with modern comfort. Its 1340cc V-twin engine delivers smooth, dependable power while the innovative hidden rear suspension provides a traditional hardtail appearance. Best known for blending retro styling with practical engineering, it appeals to cruiser enthusiasts valuing heritage aesthetics and reliable performance.

Capacity
1337.0 ccm
Engine
V-Twin, four-stroke
Gearbox
5-speed
Wet weight
298.0 kg
Seat height
Not on record
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Power
58.0 HP (42.7 kW) @ 5000 RPM
⇄ Compare with another bike + Add to garage All model years ⚠ Recalls listed (1)
Other years 1987 1988 1989 1990 1991

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 26Agility 31Comfort 70Off-road 5Touring 65Road manners 55
Off-road & trail5%
Cornering30%
City riding45%
Daily riding55%
Touring70%
Two-up65%
Track10%
Best for
It's built for relaxed cruising and boulevard riding where style and torque-driven presence matter more than outright speed.
Built for
It delivers a classic Harley experience with deep V-twin rumble, laid-back ergonomics, and unmistakable Softail styling.
Not ideal for
This is not the machine for riders seeking sharp cornering ability, high-speed thrills, or any off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine
Capacity
1337.0 ccm
Power
58.0 HP (42.7 kW) @ 5000 RPM
Engine type
V-Twin, four-stroke
Power/weight ratio
0.1946 HP/kg (wet)
Bore x stroke
88.8 x 108.0 mm
Compression
8.5:1
Cooling system
Air
Valves per cylinder
2
Torque
Not on record - add it
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Belt
Performance
Top speed
165.0 km/h (102.5 mph)
Dimensions & weight
Wet weight
298.0 kg
Fuel capacity
13.00 litres
Seat height
Not on record - add it
Dry weight
Not on record - add it
Brakes & wheels
Front brakes
Single disc
Rear brakes
Single disc
Front tyre
MT 90-16
Rear tyre
MT 90-16

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 19871988198919901991
Capacity 1337 cc 1337 cc 1337 cc 1337 cc 1337 cc
Fuel capacity 13 L 13 L 13 L 13 L 13 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Safety Recalls

⚠ 1 recall may apply
STRUCTURE:BODY:BUMPERSAug 1993 · 93E030000

THE SCREWS ISSUED IN A KIT TO MOUNT THE FENDER AND AN ACCESSORY FRONT BUMPER ONTO THE MOTORCYCLES CAN BREAK, CAUSING THE FENDER AND BUMPER TO LOOSEN AND POSSIBLY CONTACT THE FRONT TIRE.

Risk: CONTACT BETWEEN THE FENDER AND BUMPER AND THE FRONTTIRE MAY RESULT IN TIRE FAILURE AND POSSIBLE LOSS OF VEHICLE CONTROL.

Remedy: REPLACE THE SCREWS IN THE KITS WHICH ARE LOCATED AT DEALERSHIPS. OWNERS OF INSTALLED KITS WILL BE NOTIFIED TO HAVE THE MOUNTING SCREWS REPLACED.

These recalls cover some 1987 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.

Source: NHTSA. View all Harley-Davidson recalls →

Rider Reviews

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Common questions

What is the engine size of the Harley-Davidson FLST 1340 Heritage Softail?

The 1987 Harley-Davidson FLST 1340 Heritage Softail has a Capacity of 1337.0 ccm (81.59 cubic inches).

What engine power does the Harley-Davidson FLST 1340 Heritage Softail have?

The 1987 Harley-Davidson FLST 1340 Heritage Softail has a Power of 58.0 HP (42.7 kW) @ 5000 RPM.

How many gears does the Harley-Davidson FLST 1340 Heritage Softail have?

The 1987 Harley-Davidson FLST 1340 Heritage Softail has a Gearbox of 5-speed.

How much does the Harley-Davidson FLST 1340 Heritage Softail weigh?

The 1987 Harley-Davidson FLST 1340 Heritage Softail has a Wet weight of 298.0 kg (657.0 pounds).

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