Positioned in Yamaha's atv motorcycle lineup, the 2009 Yamaha YFM250R features a 249 cc (15.2 cu in) air-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 74.0 x 58.0 mm (2.9 x 2.3 inches) with a 9.5:1 compression ratio.
On the scales, the YFM250R measures 142 kg (313 lbs) dry. Rider ergonomics and chassis geometry center around a 730 mm (28.7 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,110 mm (43.7 in) wheelbase engineered for quick, flickable steering geometry. The 9-liter (2.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 3 indexed model years from 2009 to 2012, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
730 mm (28.7 in)
Engine
Displacement249.0 ccm (15.19 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression9.5:1
Bore x Stroke74.0 x 58.0 mm (2.9 x 2.3 inches)
Fuel SystemCarburettor. Mikuni 29mm
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionDC-CDI
LubricationWet sump
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
Chassis
Wheelbase1110 mm (43.7 inches)
Ground Clearance114 mm (4.5 inches)
Wheels & Brakes
Front Tyre20/7-10
Rear Tyre19/10-9
Front BrakesDouble disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight142.0 kg (313.1 pounds)
Seat Height730 mm (28.7 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.
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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
