Harley-Davidson Dyna Low Rider S Dark Custom - 2018 Specifications and Reviews

The 2018 Harley-Davidson Dyna Low Rider S Dark Custom is a blacked-out cruiser designed for riders seeking authentic, minimalist styling with a low-slung riding position. Known for its aggressive dark aesthetic, accessible seat height, and nimble handling for its class, it appeals to experienced riders who prioritize classic cruiser character over cutting-edge performance. The bike combines modern reliability features like ABS and fuel injection with traditional Harley-Davidson cruiser DNA.

2018
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General information

CategoryCustom / cruiser
Year2018
ModelHarley-Davidson Dyna Low Rider S Dark Custom

Engine and Transmission Specifications

Exhaust systemChrome, “Tommy Gun” 2-1-2 collector exhaust with dual mufflers
Greenhouse gases118.3 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption5.10 litres/100 km (19.6 km/l or 46.12 mpg)
DrivelinePrimary chain, 57/38 ratio
ClutchMulti-plate with diaphragm spring in oil bath
Transmission type,final driveBelt
Gearbox6-speed
Cooling systemAir
Lubrication systemDry sump
Fuel systemInjection. ESPFI
Bore x Stroke101.6 x 111.1 mm (4.0 x 4.4 inches)
Compression9.2:1
Torque156.00 Nm (15.9 kgf-m or 115.1 ft.lbs) @ 3500 RPM
Power97.00 HP (70.8 kW) @ 5250 RPM
Engine detailsScreamin Eagle® Twin Cam 110
Engine typeV2, four-stroke
 
 

Brakes, suspension, Frame and wheels

WheelsGloss Black Cast Aluminum Wheel w/ Laser Etched Graphics
Rear brakesSingle disc. ABS, 2-piston torque-free floating
Front brakesSingle disc. ABS, 4-piston fixed.
Rear tyre160/70-B17
Front tyre100/90-B19
Rear SuspensionTwin shocks
Front SuspensionTelescopic fork
Trail128 mm (5.0 inches)
Rake (fork angle)30.5°

Physical measures and capacities

Oil capacity2.80 litres (0.18 quarts)
Fuel capacity18.90 litres (4.99 gallons)
Wheelbase1,630 mm (64.2 inches)
Ground clearance125 mm (4.9 inches)
Overall length2,390 mm (94.1 inches)
Seat height685 mm (27.0 inches) If adjustable, lowest setting.
Power/weight ratio0.3311 HP/kg
Weight incl. oil, gas, etc305.0 kg (672.4 pounds)
Dry weight293.0 kg (646.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
LightHigh beam, directional light bar, neutral, low oil pressure, engine diagnostics, turn signals, security system(optional), 6-speed, low fuel warnings
InstrumentsSpeedo and tachometer mounted in a wrinkle black console mounted on the tank with a black trim ring
StarterElectric
Color optionsVivid Black

Performance Profile & Rider Fit

97 hp
Peak Power
4.2s
0-60 mph

Best For

Track15%
City55%
Cornering50%
Daily Riding60%
Touring45%
Passenger40%

Rider Profile

Best ForSuited to riders who already have some experience with heavy, torque-driven cruisers and want a punchier, more aggressive version of the classic Dyna platform.
PurposeBuilt for boulevard cruising, weekend rides, and making a strong visual and exhaust-note statement rather than for outright speed or long-distance touring.
Rider FitIts low seat height makes it approachable for shorter riders, but the substantial wet weight and low-slung mass demand confident low-speed handling and upper-body strength at a stop.
CharacterA muscular, blacked-out performance cruiser with strong low-end torque, aggressive styling, and a raw mechanical feel that rewards relaxed, throttle-driven riding over cornering finesse.
Not Ideal ForNot the right choice for riders seeking nimble cornering, off-road capability, or a plush, wind-protected setup for high-mileage touring.

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

Rider Fit Visualizer

2018 Harley-Davidson Dyna Low Rider S Dark Custom Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 685mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Harley-Davidson Dyna Low Rider S Dark Custom, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2018 Harley-Davidson Dyna Low Rider S Dark Custom motorcycle is a sleek and powerful ride that epitomizes the classic Harley-Davidson style. This bike features a blacked-out design with chrome accents, giving it a bold and edgy look that is sure to turn heads. Equipped with a powerful Milwaukee-Eight 107 engine, this motorcycle delivers smooth and responsive performance on the open road. The comfortable seating position and adjustable suspension make for a comfortable ride, while the dual disc front brakes offer excellent stopping power. Whether you're cruising through the city streets or hitting the open highway, the Dyna Low Rider S is a standout choice for riders looking for a stylish and performance-driven motorcycle. The 2018 Harley-Davidson Dyna Low Rider S Dark Custom motorcycle is a must-have for riders seeking a combination of classic style and modern performance. With its powerful engine, comfortable ride, and bold design, this bike offers a thrilling riding experience that is unmatched in its class. The blacked-out aesthetic and chrome accents give it a unique and aggressive appearance, making it a standout choice for riders who want to make a statement on the road. If you're in the market for a high-performance cruiser that exudes attitude and style, the Dyna Low Rider S is a top contender that is sure to impress.
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