2015 Yamaha Road Star S Technical Analysis & Specification Breakdown
Built around Yamaha's custom - cruiser motorcycle platform, the 2015 Yamaha Road Star S pairs a 1674 cc (102.2 cu in) air-cooled v2, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 97.0 x 113.0 mm (3.8 x 4.4 inches) with a 8.4:1 compression ratio.
On the scales, the Road Star S measures 337 kg (743 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 709 mm (27.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,689 mm (66.5 in) wheelbase engineered for planted straight-line stability. The 18.17-liter (4.8 US gal) fuel tank paired with a rated consumption of 6.53 L/100 km provides an estimated theoretical range of roughly 278 km (173 miles) between fill-ups.
Within MotoLibrary's Yamaha archive, this model family spans 9 indexed model years from 2008 to 2016, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Theoretical Range
~278 km (173 mi)
Engine
Displacement1674.0 ccm (102.15 cubic inches)
Engine TypeV2, four-stroke
Engine DetailsV2, four-stroke
Compression8.4:1
Bore x Stroke97.0 x 113.0 mm (3.8 x 4.4 inches)
Valves/Cylinder4
Fuel SystemInjection
Fuel ControlOverhead Valves (OHV)
IgnitionTransistor Controlled Ignition
CoolingAir
Transmission
Gearbox5-speed
Final DriveBelt (final drive)
ClutchMultiplate, wet
Performance
Fuel Consumption6.53 litres/100 km (15.3 km/l or 36.02 mpg)
Greenhouse Gases151.5 CO2 g/km. (CO2 - Carbon dioxide emission)
ExhaustTwo-into-two exhaust
Chassis
Frame TypeSteel, hidden shock
Front Suspension43mm telescopic fork
Front Travel140 mm (5.5 inches)
Rear SuspensionSingle shock
Rear Travel109 mm (4.3 inches)
Wheelbase1689 mm (66.5 inches)
Ground Clearance145 mm (5.7 inches)
Wheels & Brakes
Front Tyre130/90-M16
Rear Tyre150/80-B16
Front BrakesDouble disc. Hydraulic.
Front Brake Ø298 mm (11.7 inches)
Rear BrakesSingle disc. Hydraulic.
Rear Brake Ø320 mm (12.6 inches)
Wheels9-spoke cast
Dimensions & Weight
Weight incl.337.0 kg (743.0 pounds)
Seat Height709 mm (27.9 inches) If adjustable, lowest setting.
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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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.
