English Français Deutsch Svensk Português PT Español русский Italiano 中文 български Nederlands Polski Português BR Türkçe
UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > Yamaha > Yamaha U7E

Yamaha U7E Specs

The Yamaha U7E model is a Scooter bike manufactured by Yamaha . In this version sold from year 1973 , the dry weight is 77.0 kg (169.8 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 4.90 HP (3.6 kW) @ 6500 RPM and a maximum torque of 6.37 Nm (0.6 kgf-m or 4.7 ft.lbs) @ 4500 RPM . With this drive-train, the Yamaha U7E is capable of reaching a maximum top speed of 85.0 km/h (52.8 mph) . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha U7E have a  frame with front suspension being  and in the rear suspension it is equiped with  . Stock tire sizes are  on the front, and  on the rear. As for stopping power, the Yamaha U7E braking system includes  size  at the front and  size  at the rear. 

Yamaha U7E General Information

Brand Yamaha 
Model Yamaha U7E 
Year 1973 
Year 1973 
Category Scooter 
Factory Warranty (Years / miles)  

Yamaha U7E Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 1,175 mm (46.3 inches) 
Length 1,840 mm (72.4 inches) 
Width 645 mm (25.4 inches) 
Height 1,005 mm (39.6 inches) 
Seat Height  
Alternate Seat Height  
Ground Clearance 135 mm (5.3 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions  
Rear Tyres - Rims dimensions  
Front brakes  
Rear brakes  
Front Brakes Dimensions - Disc Dimensions  
Rear Brakes Dimensions - Disc Dimensions  
Curb Weight (including fluids)  
Dry Weight 77.0 kg (169.8 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.0636 HP/kg 
Fuel Tank Capacity 4.50 litres (1.19 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension  
Front Suspension Travel  
Rear Suspension  
Rear Suspension Travel  

Yamaha U7E Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details  
Fuel system Carburettor 
Engine size - Displacement - Engine capacity 72.00 ccm (4.39 cubic inches) 
Bore x Stroke 47.0 x 42.0 mm (1.9 x 1.7 inches) 
Compression Ratio 6.8:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration  
Maximum power - Output - Horsepower 4.90 HP (3.6 kW) @ 6500 RPM 
Maximum torque 6.37 Nm (0.6 kgf-m or 4.7 ft.lbs) @ 4500 RPM 
Engine Maximum RPM  
Cooling system  
Lubrication system  
Engine oil capacity  
Exhaust system  
Gearbox  
Transmission type, final drive ratio Chain 
Clutch type  
Driveline  

Yamaha U7E Performance

Top Speed 85.0 km/h (52.8 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 U7E Electrical Systems, Ignition and Equipment

Ignition Type  
Electrical Details  
Starter Type Electric & kick 
Instruments  
Lights