Ducati 250 GT / 250 Monza

 

 

 

Make Model.

Ducati 250 GT / 250 Monza

Year

GT: 1964 - 66
Monza: 1965 - 67

Engine

Four stroke, single cylinder, Desmo SOHC, bevel gear-drive

Capacity

248.6 cc / 15.2 cu in
Bore x Stroke 74 x 57.8 mm
Compression Ratio 8:1
Cooling System Air cooled

Induction

Dell'orto UBF24BS carburetor

Ignition

6V 60W generator

Spark Plug

Marelli CW269N / Beru 260 / KLG F-100

Starting

Kick
Max Power GT: 13.7 kW / 18.4 hp @ 7200 rpm
Monza: 16.4 kW / 22 hp @ 7200 rpm
Clutch Wet, multi-plate

Primary Drive Ratio

2.500:1

Transmission

5 Speed

Gear Ratios

1st 2.53 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1

Final Drive

Chain

Final Drive Ratio

GT: 18/45
Monza: 17/45

Frame

Single downtube, open frame with large diameter backbone tube

Front Suspension

Hydraulic telescopic fork, Ducati 31.5 mm

Rear Suspension

Swingarm, dual shocks, Marzocchi

Front Brakes

Drum, 180 mm

Rear Brakes

Drum, 160 mm

Front Tyre

2.75-18

Rear Tyre

3.00-18

Dimensions

Length: 2000 mm / 78.7 in
Height: 1070 mm / 42.1 in

Wheelbase

1320 mm / 52 in

Seat Height

800 mm / 31.5 in

Dry Weight

125 kg / 275 lbs

Fuel Capacity

13 L / 3.4 US gal / 2.9 Imp gal

Top Speed

128 km/h / 80 mph

The 250 GT and Monza were very similar bikes with only very small differences such as different fenders, triple clamps.

In actual fact, as from 1966 apart from different decals, the two bikes were exactly the same.