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UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > Yamaha > Yamaha DS 7

Yamaha DS 7 Specs

The Yamaha DS 7 model is a Classic bike manufactured by Yamaha . In this version sold from year 1971 , the dry weight is  and it is equiped with a Twin, two-stroke motor. The engine produces a maximum peak output power of 24.00 HP (17.5 kW) @ 7500 RPM and a maximum torque of  . With this drive-train, the Yamaha DS 7 is capable of reaching a maximum top speed of 140.0 km/h (87.0 mph) . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha DS 7 have a  frame with front suspension being  and in the rear suspension it is equiped with  . Stock tire sizes are 3.00-18 on the front, and 3.25-18 on the rear. As for stopping power, the Yamaha DS 7 braking system includes Expanding brake size  at the front and Expanding brake size  at the rear. 

Yamaha DS 7 General Information

Brand Yamaha 
Model Yamaha DS 7 
Year 1971 
Year 1971 
Category Classic 
Factory Warranty (Years / miles)  

Yamaha DS 7 Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase  
Length  
Width  
Height  
Seat Height  
Alternate Seat Height  
Ground Clearance  
Trail size  
Wheels details  
Front Tyres - Rims dimensions 3.00-18 
Rear Tyres - Rims dimensions 3.25-18 
Front brakes Expanding brake 
Rear brakes Expanding brake 
Front Brakes Dimensions - Disc Dimensions  
Rear Brakes Dimensions - Disc Dimensions  
Curb Weight (including fluids) 146.0 kg (321.9 pounds) 
Dry Weight  
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
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 DS 7 Engine and Transmission Technical Data

Engine type - Number of cylinders Twin, two-stroke 
Engine details  
Fuel system  
Engine size - Displacement - Engine capacity 247.00 ccm (15.07 cubic inches) 
Bore x Stroke 54.0 x 54.0 mm (2.1 x 2.1 inches) 
Compression Ratio 7.1:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration Port control 
Maximum power - Output - Horsepower 24.00 HP (17.5 kW) @ 7500 RPM 
Maximum torque  
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 DS 7 Performance

Top Speed 140.0 km/h (87.0 mph) 
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 DS 7 Electrical Systems, Ignition and Equipment

Ignition Type  
Electrical Details  
Starter Type  
Instruments  
Lights