The Ducati 450 Mark 3 is a motorcycle model that was produced from 1969 to 1975. It features a four stroke, single cylinder engine with a capacity of 435.7 cc and a compression ratio of 9.3:1. The engine is air-cooled and driven by a bevel gear. The ignition system consists of points and coil, which was later replaced with an electronic system in 1973. The bike has a maximum power of 18.4 kW/25 hp at 6500 rpm. The transmission is a 5-speed gearbox, with a wet, multiplate clutch. The brake system consists of drum brakes in both the front and rear, with the front brake having a diameter of 180 mm and the rear brake having a diameter of 160 mm. The suspension system features a 35 mm Marzocchi telescopic fork at the front and a swingarm with dual Marzocchi shocks that are three-way adjustable at the rear. The dimensions of the bike are 2000 mm in length, 600 mm in width, and 940 mm in height, with a wheelbase of 1360 mm and a seat height of 735 mm. The bike has a dry weight of 130 kg and a fuel capacity of 13 liters.
Technical specifications:
Make Model: Ducati 450 Mark 3
| Year | 1969 – 75 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, bevel gear driven |
| Capacity | 435.7 cc / 26.6 cu in |
| Bore x Stroke | 86 x 75 mm |
| Compression Ratio | 9.3:1 |
| Cooling System | Air cooled |
| Induction | Dell’Orto VHB 29 AD |
| Spark plug | Marelli CW260N / Lodge 2HN |
| Ignition | Points and coil (electronic from 1973) |
| Starting | Kick |
| Battery | SAFA 3L3, 13.5 Ah |
| Max Power | 18.4 kW / 25 hp @ 6500 rpm |
| Clutch | Wet, multiplate |
| Transmission | 5 Speed |
| Primary Drive Ratio | 2.111:1 (27/57) |
| Gear Ratios | 1st 2.46 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1 |
| Final Drive Ratio | 2.666:1 |
| Final Drive | Chain |
| Front Suspension | 35 mm Marzocchi telescopic fork |
| Rear Suspension | Swingarm, dual Marzocchi shocks, 3-way adjustable |
| 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 Width: 600 mm / 23.6 in Height: 940 mm / 37.0 in |
| Wheelbase | 1360 mm / 53.5 in |
| Seat Height | 735 mm / 28.9 in |
| Dry Weight | 130 kg / 286 lbs |
| Fuel Capacity | 13 Litres / 3.4 US gal / 2.9 Imp gal |
