I started as a motorcycle mechanic in Leslie Griffith's Motors, Bridgend South Wales in 1978. (Honda, original Triumph, MZ, Yamaha) Worked on a bunch of old stuff, Vellocette, Norton, BSA, Matchless.
Got into racing dirt bikes so worked on just about everything, Maico, Montessa, Ossa, Greeves, Zundapp Rickman, Sprite, Cotton plus the early Japanese off road stuff
Had already worked on bikes for 10 yrs but mostly just my own stuff.
Moved between Suzuki, BMW, Yamaha and Honda dealers for several years (with MZ, Vespa, Ducati, Triumph,and Kawasaki in various shops)
Had first official mobile motorcycle service in UK in 1985 but got fed up with stupidly long hours and low pay. (building up a business is difficult!)
Got job as plant fitter, fixing construction equipment for UK Plant, lot heavier than bikes but real easy, hit it with a big hammer and weld it back together again
Went back to bikes in 1995 but nothing had changed except title (mechanic, tech, foreman, service manager, etc. pay still crap)
Money got slightly better but not good enough for amount of work so went back to UK Plant as site service engineer (diesels, hydraulics, pneumatics, water pumps, concreting equipment, etc)
Moved to USA in 1999 and got a job teaching in local motorcycle training school so I'm pretty much back where I started, with some of the same bikes from 1980's (Suzuki Bandit for instance is direct descendant of 1985 GSX-R 750)
New four stroke dirt bikes destroy crankshafts quicker than the old two stroke motors so I teach how to fix cranks etc. among other things.
Probably a bunch of stuff I've left out but I guess this is enough
PJ