U7E

1972 Yamaha U7E Technical Analysis & Specification Breakdown

Engineered by Yamaha for the scooter motorcycle segment, the 1972 Yamaha U7E relies on a 72 cc (4.4 cu in) air-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 4.9 HP (3.6 kW) at 6,500 rpm, transferring power to the rear wheel through a 3-speed gearbox. With a specific output of 68.1 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the U7E measures 77 kg (170 lbs) dry.

Within MotoLibrary's Yamaha archive, this model family spans 2 indexed model years from 1972 to 1973, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.