May as well add my own 2-wheel history to this thread. Covers the period from 1965 until the present. There were several gaps between models due to economic circumstances at the time. Most of the bikes were used as the main commuting transport.
Heinkel Tourist (175cc)
Jawa Californian (250cc)
Suzuki TS90
Suzuki T350
Honda CB175
Suzuki GT500B
Yamaha DT175
Suzuki T500 Titan
Honda CB250RS
Honda CB400/4 Super Sports
Kawasaki GPX250
Yamaha SR500
Honda VT600
*Honda Megapro
Kawasaki KLR650
Suzuki GS500
SYM GTS250 Firenze
Yamaha MT-03
* I worked in Indonesia on the island of Flores in 2003 which is where I owned a Honda Megapro 175 cc single pot machine, made locally under licence from Honda Japan. It wasn't exported to other countries.
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The bike for which I have the fondest memories is the Honda CB175 from the early 70's. Here's a photo of an example that matched the colour and bars of my own machine.
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And here is the current machine in the garage - a 2020 Yamaha MT-03.
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Each of these machines are a bookmark of the various stages of a long life, some good, some not so. I think the current one will be the last ...