2012 Yamaha Star Stratoliner Technical Analysis & Specification Breakdown
Positioned in Yamaha's touring motorcycle lineup, the 2012 Yamaha Star Stratoliner utilizes a 1851.9 cc (113 cu in) air-cooled v2, four-stroke layout. Internal engine geometry specifies a bore and stroke of 100.0 x 118.0 mm (3.9 x 4.6 inches) with a 9.5:1 compression ratio.
On the scales, the Star Stratoliner measures 363.8 kg (802 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 706 mm (27.8 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,715 mm (67.5 in) wheelbase engineered for planted straight-line stability. The 17.03-liter (4.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 2 indexed model years from 2012 to 2013, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
706 mm (27.8 in)
Engine
Displacement1851.9 ccm (113.00 cubic inches)
Engine TypeV2, four-stroke
Engine Details48° V-twin
Compression9.5:1
Bore x Stroke100.0 x 118.0 mm (3.9 x 4.6 inches)
Valves/Cylinder4
Fuel SystemInjection. Twin-bore fuel injection, w/throttle position sensor
Fuel ControlOverhead Valves (OHV)
IgnitionTCI: Transistor Controlled Ignition
CoolingAir
Transmission
Gearbox5-speed
Final DriveBelt (final drive)
ClutchWet, multidisc
Performance
Emission Details0xygen sensor and three-way catalyst reduce emissions
ExhaustUltimate Power valve (EXUP®) inside the two-into-one exhaust system
Chassis
Frame TypeAluminum
Rake29.0°
Front Suspension46mm telescopic fork
Front Travel130 mm (5.1 inches)
Rear SuspensionSingle shock, 4.3inch travel
Wheelbase1715 mm (67.5 inches)
Wheels & Brakes
Front Tyre130/70-18
Rear Tyre190/60-17
Front BrakesDouble disc. Hydraulic
Front Brake Ø298 mm (11.7 inches)
Rear BrakesSingle disc
Rear Brake Ø320 mm (12.6 inches)
Wheels12-spoke cast
Dimensions & Weight
Weight incl.363.8 kg (802.0 pounds)
Seat Height706 mm (27.8 inches) If adjustable, lowest setting.
Overall Height1514 mm (59.6 inches)
Overall Length2581 mm (101.6 inches)
Overall Width1100 mm (43.3 inches)
Fuel Capacity17.03 litres (4.50 US gallons)
Other
StarterElectric
Color OptionsLiquid Silver/Pearl White
InstrumentsAnalog speedometer, tachometer and fuel gauge, along with twin digital tripmeters and odometer.
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.
