Ducati Scrambler Episode: 22.09
From Part Three of "The Two Doctors", filmed in Seville, Spain. Ducati "à la Scrambler" may be a 450
Most likely a Mototrans Ducati, built in Barcelona, Italian production of singles ended in 73-74.
Triumph unknown Episode: 8.04
A UNIT motorcyclist follows the Autons' bus. The vehicle details for TMF 99F are: Date of Liability 01 01 1984 Date of First Registration 24 04 1968 Year of Manufacture Not Available Cylinder Capacity (cc) 600cc Fuel Type PETROL Vehicle Status Unlicensed Vehicle Colour NOT STATED (never seen this before) if it's reallya 600cc it's NOT a Triumph!
Maybe they rounded the number up.
Triumph TR 6 Trophy Episode: 8.23
Used by Mike Yates to chase the helicopter in Ep. 3 of "The Dæmons." The Doctor also uses it to go and meet with the Brigadier. License plate is BUC 52H. The vehicle details for BUC 52H are: Date of Liability 01 10 1988 Date of First Registration 26 02 1970 Year of Manufacture Not Available Cylinder Capacity (cc) 650cc Fuel Type PETROL Export Marker N Vehicle Status Unlicensed Vehicle Colour NOT STATED
TR6 Trophy I think.
Honda ATC90 Episode: 9.03
While escaping the Dalek tower block in episode 3 of "Day of the Daleks", the Doctor and Jo Grant get on this trike, conveniently parked outside. A brief chase ensues, with the Ogrons slowly running after this not-very-fast vehicle, until the Doctor runs it into a very small ditch. Jon Pertwee was a keen car/bike/motorboat enthusiast and mananged to get action sequences involving different kinds of vehicles put into a number of episodes during his tenure in Doctor Who.
Jon Pertwee's 3th Doctor on a trike that is just freaking glorious http://www.youtube.com/watch?v=Ap4CD5ZkW_Q