2017 Harley-Davidson Dyna Street Bob Technical Analysis & Specification Breakdown
Built around Harley-Davidson's custom - cruiser motorcycle platform, the 2017 Harley-Davidson Dyna Street Bob features a 1690 cc (103.1 cu in) air-cooled v2, four-stroke configuration. In factory specification, peak output is rated at 77.5 HP (56.6 kW) at 5,250 rpm while maximum torque reaches 130 Nm (95.9 lb-ft) at 3,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and belt final drive. With a specific output of 45.9 HP per liter and a 2,250 rpm working window between peak torque (3,000 rpm) and peak power (5,250 rpm), the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the Dyna Street Bob measures 304.8 kg (672 lbs) wet (curb), translating to a power-to-weight ratio of 0.25 HP/kg (3.93 kg per horsepower). Rider ergonomics and chassis geometry center around a 680 mm (26.8 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,631 mm (64.2 in) wheelbase engineered for planted straight-line stability. The 17.8-liter (4.7 US gal) fuel tank paired with a rated consumption of 5.5 L/100 km provides an estimated theoretical range of roughly 324 km (201 miles) between fill-ups.
Within MotoLibrary's Harley-Davidson archive, this model family spans 5 indexed model years from 2013 to 2017, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
45.9 HP/L
Power-to-Weight
0.25 HP/kg (3.93 kg/HP)
Power Band Window
3,000–5,250 rpm
Theoretical Range
~324 km (201 mi)
Engine
Displacement1690.0 ccm (103.12 cubic inches)
Engine TypeV2, four-stroke
Engine DetailsAir-cooled, Twin Cam 103™
Power77.5 HP (56.6 kW)) @ 5250 RPM
Torque130.0 Nm (13.3 kgf-m or 95.9 ft.lbs) @ 3000 RPM
Compression9.7:1
Bore x Stroke98.4 x 111.1 mm (3.9 x 4.4 inches)
Fuel SystemInjection. ESPFI
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
LubricationDry sump
CoolingAir
Transmission
Gearbox6-speed
Final DriveBelt (final drive)
ClutchMulti-plate with diaphragm spring in oil bath
DrivelinePrimary chain, 57/38 ratio
Performance
Fuel Consumption5.50 litres/100 km (18.2 km/l or 42.77 mpg)
Greenhouse Gases127.6 CO2 g/km. (CO2 - Carbon dioxide emission)
ExhaustChrome, staggered, straight-cut shorty exhaust with dual mufflers
Seat Height680 mm (26.8 inches) If adjustable, lowest setting.
Overall Length2395 mm (94.3 inches)
Fuel Capacity17.80 litres (4.70 US gallons)
Oil Capacity2.80 litres (2.96 US quarts)
Other
StarterElectric
Color OptionsOlive Gold, Charcoal Denim/Black Denim, Black Denim, Vivid Black, Hard Candy Hot Rod Red Flake Hard Candy Hot Rod Red Flake, Charcoal Pearl,
InstrumentsTank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/Gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
