What is the engine size of the 1989 Harley-Davidson FLST 1340 Heritage Softail (reduced Effect)?

The 1989 Harley-Davidson FLST 1340 Heritage Softail (reduced Effect) has a Capacity: of 1337.00 ccm (81.58 cubic inches).

Is the 1989 Harley-Davidson FLST 1340 Heritage Softail (reduced Effect) air cooled or liquid cooled?

The 1989 Harley-Davidson FLST 1340 Heritage Softail (reduced Effect) has a Cooling system of Air.

How much does the 1989 Harley-Davidson FLST 1340 Heritage Softail (reduced Effect) weigh?

The 1989 Harley-Davidson FLST 1340 Heritage Softail (reduced Effect) has a Weight incl. oil, gas, etc of 314.0 kg (692.3 pounds).

Harley-Davidson FLST 1340 Heritage Softail (reduced Effect) - 1989 Specifications and Reviews

Name: 1989 Harley-Davidson FLST 1340 Heritage Softail (reduced Effect)
Brand: Harley-Davidson
Rating: 3.0 (1 reviews)

The 1989 Harley-Davidson FLST 1340 Heritage Softail suits riders seeking classic American cruiser styling with modern comfort. Known for its retro design blending vintage aesthetics with contemporary engineering, this air-cooled V-twin delivers reliable mid-range performance ideal for highway cruising and weekend rides.

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1989

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General information
Category	Allround
Year	1989
Model	Harley-Davidson FLST 1340 Heritage Softail (reduced effect)
Engine and Transmission Specifications
Transmission type,final drive	Belt
Gearbox	5-speed
Cooling system	Air
Fuel control	OHV
Valves per cylinder	2
Bore x stroke	88.8 x 108.0 mm (3.5 x 4.3 inches)
Compression	8.5:1
Power	46.00
Engine type	V2, four-stroke
Capacity:	1337.00 ccm (81.58 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Front brakes	Single disc
Rear tyre dimensions	MT 90-16
Front tyre dimensions	MT 90-16

Physical measures and capacities
Fuel capacity	13.00 litres (3.43 gallons)
Weight incl. oil, gas, etc	314.0 kg (692.3 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

46 hp

Peak Power

8.5s

0-60 mph

Best For

Track5%

City40%

Cornering25%

Daily Riding50%

Touring60%

Passenger55%

Rider Profile

Best For	This is a detuned, learner-friendly Softail best suited to newer riders or those wanting a gentle introduction to big V-twin cruisers.
Purpose	It's built for relaxed cruising and classic Harley styling rather than outright performance, thanks to its reduced-power 1340 engine.
Rider Fit	The low seat height and moderate weight make it manageable, though the wide bars and cruiser stance demand slow-speed handling awareness.
Character	It has a laid-back, classic soft-tail character with a low, thumping V2 pulse rather than urgency or sharp response.
Not Ideal For	It's not for riders seeking quick acceleration, aggressive cornering, or any off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.