Cruisers
1986Harley-Davidson FXST 1340 Softail Custom
19 fields on record
The 1986 Harley-Davidson FXST 1340 Softail Custom is a classic cruiser built for riders seeking authentic Harley character with modern comfort. Its hidden rear suspension, 1340cc V-twin engine, and low-slung styling define the iconic custom aesthetic that made Softails legendary. Best known for combining cruiser heritage with improved handling, it appeals to experienced riders wanting traditional looks without sacrificing rideability.
- Capacity
- 1337.0 ccm
- Engine
- V-Twin
- Gearbox
- 5-speed
- Wet weight
- 298.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 58.0 HP (42.7 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for relaxed boulevard cruising and classic Softail styling rather than outright performance.
- Built for
- A laid-back, torque-rich air-cooled V-twin with old-school Harley soul, valued for its sound, style, and unhurried demeanor over speed.
- Not ideal for
- Not a good fit for riders seeking sharp cornering ability, high top speed, 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.
Engine
- Capacity
- 1337.0 ccm
- Power
- 58.0 HP (42.7 kW)
- Engine type
- V-Twin
- 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
- 167.0 km/h (103.8 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- MH 90-21
- Rear tyre
- MT 90-16
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Harley-Davidson FXST 1340 Softail Custom?
The 1986 Harley-Davidson FXST 1340 Softail Custom has a Capacity of 1337.0 ccm (81.59 cubic inches).
What engine power does the Harley-Davidson FXST 1340 Softail Custom have?
The 1986 Harley-Davidson FXST 1340 Softail Custom has a Power of 58.0 HP (42.7 kW).
How many gears does the Harley-Davidson FXST 1340 Softail Custom have?
The 1986 Harley-Davidson FXST 1340 Softail Custom has a Gearbox of 5-speed.
How much does the Harley-Davidson FXST 1340 Softail Custom weigh?
The 1986 Harley-Davidson FXST 1340 Softail Custom has a Wet weight of 298.0 kg (657.0 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Similar bikes
Same category, weighted similarity
1986 Harley-Davidson FXRS 1340 Low Rider Sport Edition
1337 cc · 278 kg
1986 Harley-Davidson FXRS 1340 Low Rider
1337 cc · 276 kg
1988 Suzuki VS 1400 Intruder
1360 cc · 243 kg · 725 mm
1989 Suzuki VS 1400 Intruder
1360 cc · 243 kg · 725 mm
1991 Kawasaki VN-15 SE
1470 cc · 281 kg
1992 Kawasaki VN-15 SE
1470 cc · 281 kg
More Harley-Davidson Motorcycles
1986 Harley-Davidson FLTC 1340 (with Sidecar)
2026 Harley-Davidson Street Bob 117
2026 Harley-Davidson Sportster S
2026 Harley-Davidson Tri Glide Ultra
2026 Harley-Davidson Low Rider ST
2025 Harley-Davidson CVO Street Glide
2026 Harley-Davidson Road King Special
1987 Harley-Davidson FLHTC 1340 (with Sidecar)
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.