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UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > Keeway > Yamaha YFM250R

Yamaha YFM250R Specs

The Yamaha YFM250R model is a ATV bike manufactured by Yamaha . In this version sold from year 2011 , the dry weight is  and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Yamaha YFM250R is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha YFM250R have a  frame with front suspension being Independent double wishbone, 5 position preload adjustable spring, 190 mm stroke and in the rear suspension it is equiped with Swingarm, 5 position preload adjustable spring, 200 mm stroke . Stock tire sizes are 20/7-10 on the front, and 19/10-9 on the rear. As for stopping power, the Yamaha YFM250R braking system includes Double disc size  at the front and Single disc size  at the rear. 

Yamaha YFM250R General Information

Brand Yamaha 
Model Yamaha YFM250R 
Year 2011 
Year 2011 
Category ATV 
Factory Warranty (Years / miles)  

Yamaha YFM250R Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 1,110 mm (43.7 inches) 
Length 1,625 mm (64.0 inches) 
Width 1,072 mm (42.2 inches) 
Height 1,040 mm (40.9 inches) 
Seat Height 730 mm (28.7 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 100 mm (3.9 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions 20/7-10 
Rear Tyres - Rims dimensions 19/10-9 
Front brakes Double disc 
Rear brakes Single disc 
Front Brakes Dimensions - Disc Dimensions  
Rear Brakes Dimensions - Disc Dimensions  
Curb Weight (including fluids) 150.0 kg (330.7 pounds) 
Dry Weight  
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
Fuel Tank Capacity 9.00 litres (2.38 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Independent double wishbone, 5 position preload adjustable spring, 190 mm stroke 
Front Suspension Travel  
Rear Suspension Swingarm, 5 position preload adjustable spring, 200 mm stroke 
Rear Suspension Travel  

Yamaha YFM250R Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details  
Fuel system Carburettor. Mikuni BSR 29 mm 
Engine size - Displacement - Engine capacity 249.00 ccm (15.19 cubic inches) 
Bore x Stroke 74.0 x 58.0 mm (2.9 x 2.3 inches) 
Compression Ratio 9.5:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower  
Maximum torque  
Engine Maximum RPM  
Cooling system Air 
Lubrication system Wet sump 
Engine oil capacity  
Exhaust system  
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type wet multiplate 
Driveline 2WD. Sealed O-ring chain. 

Yamaha YFM250R Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions  

Yamaha YFM250R Electrical Systems, Ignition and Equipment

Ignition Type DC-CDI 
Electrical Details  
Starter Type Electric 
Instruments  
Lights