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UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > Yamaha > Yamaha SR400

Yamaha SR400 Specs

The Yamaha SR400 model is a Allround bike manufactured by Yamaha . In this version sold from year 2011 , the dry weight is 131.0 kg (288.8 pounds) and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of 27.00 HP (19.7 kW) @ 7000 RPM and a maximum torque of 62.00 Nm (6.3 kgf-m or 45.7 ft.lbs) @ 6500 RPM . With this drive-train, the Yamaha SR400 is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha SR400 have a  frame with front suspension being  and in the rear suspension it is equiped with  . Stock tire sizes are 3.50-19 on the front, and 4.00-16 on the rear. As for stopping power, the Yamaha SR400 braking system includes Single disc size  at the front and Expanding brake (drum brake) size  at the rear. 

Yamaha SR400 General Information

Brand Yamaha 
Model Yamaha SR400 
Year 2011 
Year 2011 
Category Allround 
Factory Warranty (Years / miles)  

Yamaha SR400 Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase  
Length 2,085 mm (82.1 inches) 
Width  
Height  
Seat Height  
Alternate Seat Height  
Ground Clearance  
Trail size 111 mm (4.4 inches) 
Wheels details  
Front Tyres - Rims dimensions 3.50-19 
Rear Tyres - Rims dimensions 4.00-16 
Front brakes Single disc 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions  
Rear Brakes Dimensions - Disc Dimensions  
Curb Weight (including fluids)  
Dry Weight 131.0 kg (288.8 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.2061 HP/kg 
Fuel Tank Capacity 12.00 litres (3.17 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension  
Front Suspension Travel  
Rear Suspension  
Rear Suspension Travel  

Yamaha SR400 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details  
Fuel system Carburettor. BSR33 
Engine size - Displacement - Engine capacity 399.00 ccm (24.35 cubic inches) 
Bore x Stroke 87.0 x 1,093.0 mm (3.4 x 43.0 inches) 
Compression Ratio 8.5:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower 27.00 HP (19.7 kW) @ 7000 RPM 
Maximum torque 62.00 Nm (6.3 kgf-m or 45.7 ft.lbs) @ 6500 RPM 
Engine Maximum RPM  
Cooling system Air 
Lubrication system  
Engine oil capacity  
Exhaust system  
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type  
Driveline  

Yamaha SR400 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 SR400 Electrical Systems, Ignition and Equipment

Ignition Type  
Electrical Details  
Starter Type Kick 
Instruments  
Lights