Harley-Davidson FXSTC 1340 Softail Custom (reduced effect) Specs (Top Speed | Horsepower | Weight)

The Harley-Davidson FXSTC 1340 Softail Custom (reduced effect) motorcycle specifications include a 1,337 cc (81.58 cu in) engine, power of 46 hp (33.6 kW) @ 5,000 rpm, a 5-speed gearbox, and a listed weight of 298 kg (657 lb).

Key specifications

1988-1989Model years
1,337 ccDisplacement
46 hpPower
298 kgWet weight
20 LFuel tank
Model years covered
19881989

Year-specific specification changes

No material specification changes from the 1988 baseline were found in the available data.

How the Harley-Davidson FXSTC 1340 Softail Custom (reduced effect) compares

This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.

Engine power46 hp
Low 19.3 hpAverage 63.9 hpHigh 119.7 hp

About 28% lower than the Harley-Davidson database average. Around the 16th percentile across Harley-Davidson models.

Displacement1,337 cc
Low 165 ccAverage 1,275 ccHigh 1,868 cc

Very close to the Harley-Davidson database average. Around the 55th percentile across Harley-Davidson models.

Wet weight298 kg
Low 183 kgAverage 312.9 kgHigh 507 kg

Very close to the Harley-Davidson database average. Around the 41st percentile across Harley-Davidson models.

Fuel capacity20 L
Low 7.9 LAverage 17 LHigh 22.7 L

About 18% larger than the Harley-Davidson database average. Around the 83rd percentile across Harley-Davidson models.

This model Harley-Davidson database average

Harley-Davidson database percentile rankings

Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.

Engine power16th

46 hp — more powerful than about 16% of Harley-Davidson models with power data.

Displacement55th

1,337 cc — larger displacement than about 55% of Harley-Davidson models.

Wet weight41st

298 kg — heavier than about 41% of Harley-Davidson models, or lighter than about 59%.

Fuel capacity83rd

20 L — larger than about 83% of Harley-Davidson fuel tanks in this database.

Mechanical overview

Engine layout snapshot

V2, four-stroke • 1,337 cc • Air cooled • 46 hp
Chassis snapshot

5-speed • Belt (final drive) • MH 90-21 front / MT 90-16 rear

Additional useful specifications

Front tire size MH 90-21
Rear tire size MT 90-16
Power-to-weight ratio 0.154 hp/kg
Power-to-weight 154.4 hp/tonne
Specific power 34.4 hp/L
Bore/stroke ratio 0.82:1 (Undersquare)

Engine specifications

Engine type V2, four-stroke
Displacement 1,337 cc (81.58 cu in)
Power 46 hp (33.6 kW) @ 5,000 rpm
Bore × stroke 88.8 x 108 mm (3.5 x 4.3 inches)
Compression ratio 8.5:1
Valves per cylinder 2.0
Cooling system Air
Fuel control Overhead Valves (OHV)

Transmission and drivetrain

Gearbox 5-speed
Final drive Belt (final drive)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire MH 90-21
Rear tire MT 90-16

Dimensions and weight

Wet weight 298 kg (657 lb)

Fuel and emissions

Fuel capacity 20.00 L (5.28 US gal)

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.