Was also my my first motorcycle and only form of mechanised transport for years. Also my race bike. Meant I spent a lot of time on the treadly.
Pics taken just before it was sold. Needed a pillion bike for SWMBO, building a house, studying properly, etc.
1972 Honda 500/4.
Suzuki water bottle brake with Ferodo linings by Hannans
Steel space frame with rivetted and glued aluminium sheet. Engine had to be dropped for maintenance, but no bottom rails, so not too hard.
750/4 pistons for 600cc
750/4 carbs with pod filters
Yosh Daytona cam
Yosh forged Duralium rods
Yosh/HRC CR 5 spd with modded idler gear for kick start, perhaps the only one in the world
Cibie Biode headlight
Hayden oil cooler
Modded Dunstall 4 in 2 pipe
Suzi steering damper
beefed up swing arm with roller bearing pivot
18" Borrani rims
and other stuff I can't recall