Engineered by Yamaha for the classic motorcycle segment, the 1979 Yamaha FS 1 DX Fizzy pairs a 49 cc (3 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 4 HP (2.9 kW) at 6,500 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive.
The 11-liter (2.9 US gal) fuel tank paired with a rated consumption of 2 L/100 km provides an estimated theoretical range of roughly 550 km (342 miles) between fill-ups, while factory top speed is listed at 45 km/h (28 mph).
Theoretical Range
~550 km (342 mi)
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power4.0 HP (2.9 kW)) @ 6500 RPM
Fuel SystemCarburettor
Fuel ControlRotary valves
CoolingAir
Max RPM7000
Transmission
Gearbox4-speed
Final DriveChain (final drive)
Performance
Top Speed45.0 km/h (28.0 mph)
Fuel Consumption2.00 litres/100 km (50.0 km/l or 117.61 mpg)
Greenhouse Gases46.4 CO2 g/km. (CO2 - Carbon dioxide emission)
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.
