Difference between revisions of "Yamaha U7E"

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{{Motorcycle
{{Motorcycle
|name            = '''Yamaha U7E'''
|name            = '''Yamaha U7E'''
|image            =
|aka              =  
|aka              =  
|manufacturer    = [[Yamaha]]
|manufacturer    = [[Yamaha]]
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|ignition        =
|ignition        =
|spark_plug      =
|spark_plug      =
|battery          = 6.8:1
|battery          =  
|transmission    = Gear box: 3-speed <br>
|transmission    = Gear box: 3-speed <br>
Final Drive: [[chain]] <br>
Final Drive: [[chain]] <br>

Revision as of 20:50, 9 November 2019


'Yamaha U7E'
Manufacturer
[[Yamaha]]
Production 1972 - 1973
Engine
single cylinder, two-stroke
Bore / Stroke 47.0mm x 42.0mm
Top Speed 53 mph (85 km/h)
Horsepower 4.83 HP (3.6 KW) @ 6500RPM
Torque 4.72 ft/lbs (6.4 Nm) @ 4500RPM
Fuel System carburetor
Transmission Gear box: 3-speed
Final Drive: chain
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 225-17
Rear Tire 250-17
Wheelbase 46.26 inches (1175 mm)
Length 72.44 inches (1840 mm)
Width 25.39 inches (645 mm)
Height 39.57 inches (1005 mm)
Weight 169.76 pounds (77.0 Kg) (dry),
Fuel Capacity 1.19 Gallon (4.50 Liters)
Manuals Service Manual


The Yamaha U7E was a single cylinder, two-stroke standard produced by Yamaha between 1972 and 1973. It could reach a top speed of 53 mph (85 km/h). Max torque was 4.72 ft/lbs (6.4 Nm) @ 4500 RPM. Claimed horsepower was 4.83 HP (3.6 KW) @ 6500 RPM.

Engine

The engine was a air cooled single cylinder, two-stroke. A 47.0mm bore x 42.0mm stroke result in a displacement of just 72.0 cubic centimeters.

Drive

The bike has a 3-speed transmission.

Chassis

It came with a 225-17 front tire and a 250-17 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The U7E was fitted with a 1.19 Gallon (4.50 Liters) fuel tank. The bike weighed just 169.76 pounds (77.0 Kg). The wheelbase was 46.26 inches (1175 mm) long.