Harley-Davidson Softail Street Bob Dark Custom Specs (Top Speed | Horsepower | Weight)

The Harley-Davidson Softail Street Bob Dark Custom motorcycle specifications include a 1,690 cc (103.12 cu in) engine, power of 86 hp (62.8 kW) @ 5,020 rpm, a 6-speed gearbox, and a listed weight of 304 kg (670.2 lb).

Key specifications

2018Year released
1,690 ccDisplacement
86 hpPower
127.0 Nm @ 3,250 rpmTorque
304 kgWet weight
680 mmSeat height
13.2 LFuel tank
1,630 mmWheelbase

How the Harley-Davidson Softail Street Bob Dark Custom 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 power86 hp
Low 19.3 hpAverage 63.9 hpHigh 119.7 hp

About 34% higher than the Harley-Davidson database average. Around the 80th percentile across Harley-Davidson models.

Displacement1,690 cc
Low 165 ccAverage 1,275 ccHigh 1,868 cc

About 33% higher than the Harley-Davidson database average. Around the 88th percentile across Harley-Davidson models.

Wet weight304 kg
Low 183 kgAverage 312.9 kgHigh 507 kg

Very close to the Harley-Davidson database average. Around the 45th percentile across Harley-Davidson models.

Seat height680 mm
Low 622 mmAverage 689 mmHigh 780 mm

Very close to the Harley-Davidson database average. Around the 48th percentile across Harley-Davidson models.

Fuel capacity13.2 L
Low 7.9 LAverage 17 LHigh 22.7 L

About 22% smaller than the Harley-Davidson database average. Around the 23rd 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 power80th

86 hp — more powerful than about 80% of Harley-Davidson models with power data.

Displacement88th

1,690 cc — larger displacement than about 88% of Harley-Davidson models.

Wet weight45th

304 kg — heavier than about 45% of Harley-Davidson models, or lighter than about 55%.

Seat height48th

680 mm — taller than about 48% of Harley-Davidson models.

Fuel capacity23rd

13.2 L — larger than about 23% of Harley-Davidson fuel tanks in this database.

Dimensions compared with Harley-Davidson average

Each measurement is compared with the average value across Harley-Davidson models where that dimension is available.

Overall length2,395 mm
This bike

2,395

Harley-Davidson avg

2,376

Close to average.

Wheelbase1,630 mm
This bike

1,630

Harley-Davidson avg

1,599

Close to average.

Seat height680 mm
This bike

680

Harley-Davidson avg

689

Close to average.

Ground clearance120 mm
This bike

120

Harley-Davidson avg

128

6% below average.

Mechanical overview

Engine layout snapshot

V2, four-stroke • 1,690 cc • Air cooled • 86 hp
Chassis snapshot

Wheelbase 1,630 mmSeat 680 mmClearance 120 mm
6-speed • Belt (final drive) • 100/90-B19 front / 150/80-B16 rear

Additional useful specifications

Front tire size 100/90-B19
Rear tire size 150/80-B16
Engine oil capacity 4.70 L (4.97 US qt)
Estimated theoretical fuel range 236 km
Power-to-weight ratio 0.283 hp/kg
Power-to-weight 282.9 hp/tonne
Specific power 50.9 hp/L
Bore/stroke ratio 0.89:1 (Undersquare)

Model information

Year released 2018
Category Custom / cruiser

Engine specifications

Engine type V2, four-stroke
Displacement 1,690 cc (103.12 cu in)
Power 86 hp (62.8 kW) @ 5,020 rpm
Torque 127.0 Nm (12.9 kgf-m or 93.7 ft.lbs) @ 3,250 rpm
Bore × stroke 98.4 x 111.1 mm (3.9 x 4.4 inches)
Compression ratio 9.6:1
Cooling system Air
Fuel system Injection. Electronic Sequential Port Fuel Injection (ESPFI)
Starter Electric
Oil capacity 4.70 L (4.97 US qt)

Transmission and drivetrain

Gearbox 6-speed
Final drive Belt (final drive)
Clutch Multi-plate with diaphragm spring in oil bath

Chassis and suspension

Front suspension Telescopic fork
Rear suspension Twin shocks
Rake 29.0°
Trail 119 mm (4.7 inches)

Brakes, wheels and tires

Front brakes Single disc. Optional ABS. 4-piston
Rear brakes Single disc. Optional ABS. 2-piston
Front tire 100/90-B19
Rear tire 150/80-B16
Wheels Black Steel Laced

Dimensions and weight

Wet weight 304 kg (670.2 lb)
Dry weight 289 kg (637.1 lb)
Seat height 680 mm (26.8 inches)
Overall length 2,395 mm (94.3 inches)
Wheelbase 1,630 mm (64.2 inches)
Ground clearance 120 mm (4.7 inches)

Fuel and emissions

Fuel capacity 13.20 L (3.49 US gal)
Fuel consumption 5.60 L/100 km (17.9 km/l or 42.00 mpg)
Greenhouse gases 129.9 CO 2 g/km. (CO2 – Carbon dioxide emission)

Performance

Power/weight ratio 0.2976 hp/kg

Electrical and instruments

Instruments Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, rpm/gear display, low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light
Lights High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings

Other specifications

Color options Vivid Black, Black Denim, Olive Gold, Red Iron Denim, Hard Candy Hot Rod Red Flake, Charcoal Denim/Black Denim
Exhaust system Chrome, staggered, shorty exhaust with dual tapered mufflers
Price as new US$ 13845. Euro 14695. MSRP depends on country, taxes, accessories, etc.

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.