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Ducati Specifications

Ducati 125 Sport (1957-60)

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Ducati 125 Sport (1957-60)

At a glance

Capacity
124.4 cc / 7.6 cu in
Power
7.5 kW / 10 hp @ 8500 rpm

The full picture.

The Ducati 125 Sport is a motorcycle model produced from 1957 to 1960. It comes with a four-stroke, single-cylinder, OHC engine with a 124.4 cc capacity and a 8.0:1 compression ratio. The bike uses an air-cooled cooling system and forced oil sump lubrication system. It is equipped with a Dell’Orto UB20BS carburetor and Marelli CW260N spark plug. The ignition is powered by a battery and coil with a 6V 40W generator. The motorcycle is started manually through a kick start. The bike has a maximum power output of 7.5 kW / 10 hp at 8500 rpm. The transmission is a 4-speed with a wet, multi-plate clutch and a primary drive ratio of 3.00:1. The motorcycle is chain driven and has a final drive ratio of 2.750:1. In terms of suspension, the bike has hydraulically damped telescopic forks by Marzocci in the front and a swingarm with dual shocks that are three-way adjustable in the rear. The brakes are drum brakes on both the front and rear wheels. The front and rear tires are CEAT and measure 2.50-17 and 2.75-17 respectively. The bike has a length of 1910 mm, width of 580 mm, height of 920 mm, and a wheelbase of 1320 mm. It weighs 100.5 kg without fuel and has a fuel capacity of 16 L with a top speed of 112 km/h.


Technical specifications:

Make Model: Ducati 125 Sport

Motorcycle technical specifications
Year1957 – 60
EngineFour stroke, single-cylinder, OHC, bevel gear driven
Capacity124.4 cc / 7.6 cu in
Bore x Stroke55.2 x 52 mm
Compression Ratio8.0:1
Cooling SystemAir cooled
Lubrication SystemForced oil sump
InductionDell’Orto UB20BS carburetor
IgnitionBattery and coil, 6V 40W generator
Spark PlugMarelli CW260N
BatterySAFA 3L3, 13.5 Ah
StartingKick
Max Power7.5 kW / 10 hp @ 8500 rpm
Primary Drive Ratio3.00:1
Transmission4 Speed
Gear Ratios1st 2.75 / 2nd 1.65 / 3rd 1.18 / 4th 0.97:1
ClutchWet, multi-plate
Final DriveChain
Final Drive Ratio2.750:1
Front SuspensionHydraulically damped telescopic forks, Marzocci
Rear SuspensionSwingarm, dual shocks, 3-way adjustable
Front BrakesDrum
Rear BrakesDrum
Front Tyre2.50 – 17 CEAT
Rear Tyre2.75 – 17 CEAT
DimensionsLength:1910 mm / 72.2 in Width: 580 mm / 22.8 in Height: 920 mm / 36.2 in
Wheelbase1320 mm / 52.0 in in
Dry Weight100.5 kg / 221 lbs
Fuel Capacity16 L / 4.2 US gal / 3.5 Imp gal
Top Speed112 km/h / 69 mph