1965 Norton ES 400 Electra Technical Analysis & Specification Breakdown
At the heart of the 1965 Norton ES 400 Electra allround motorcycle, Norton relies on a 400 cc (24.4 cu in) air-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 25 HP (18.2 kW) at 6,800 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 62.5 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 ES 400 Electra measures 158.8 kg (350 lbs) wet (curb), translating to a power-to-weight ratio of 0.16 HP/kg (6.35 kg per horsepower). The 13.25-liter (3.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Norton archive, this model family spans 3 indexed model years from 1963 to 1965, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
