2021 Yamaha V Star 250 Technical Analysis & Specification Breakdown
At the heart of the 2021 Yamaha V Star 250 custom - cruiser motorcycle, Yamaha features a 249 cc (15.2 cu in) air-cooled v2, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 49.0 x 66.0 mm (1.9 x 2.6 inches) with a 10.0:1 compression ratio.
On the scales, the V Star 250 measures 147 kg (324 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 686 mm (27 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,491 mm (58.7 in) wheelbase engineered for balanced agility and highway composure. The 9.46-liter (2.5 US gal) fuel tank paired with a rated consumption of 3.02 L/100 km provides an estimated theoretical range of roughly 313 km (194 miles) between fill-ups.
Within MotoLibrary's Yamaha archive, this model family spans 17 indexed model years from 2008 to 2024, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Theoretical Range
~313 km (194 mi)
Engine
Displacement249.0 ccm (15.19 cubic inches)
Engine TypeV2, four-stroke
Engine Details60-degree V-twin
Compression10.0:1
Bore x Stroke49.0 x 66.0 mm (1.9 x 2.6 inches)
Valves/Cylinder2
Fuel SystemCarburettor. Mikuni 26mm
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionTransistor Controlled Ignition
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchMultiplate wet clutch
Performance
Fuel Consumption3.02 litres/100 km (33.1 km/l or 77.89 mpg)
Greenhouse Gases70.1 CO2 g/km. (CO2 - Carbon dioxide emission)
ExhaustDual chrome exhausts
Chassis
Frame TypeSteel tube
Rake32.0°
Trail119 mm (4.7 inches)
Front Suspension33mm fork
Front Travel140 mm (5.5 inches)
Rear SuspensionDual shocks, adjustable preload,
Rear Travel99 mm (3.9 inches)
Wheelbase1491 mm (58.7 inches)
Ground Clearance145 mm (5.7 inches)
Wheels & Brakes
Front Tyre3.00-18
Rear Tyre130/90-15
Front BrakesSingle disc. Hydraulic.
Front Brake Ø282 mm (11.1 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Ø130 mm (5.1 inches)
Dimensions & Weight
Weight incl.147.0 kg (324.0 pounds)
Seat Height686 mm (27.0 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.
