Oasa, Italy, I think.
Osa. Germay or Poland.
Ossa. Spain.
Piaggio
Can’t think of any Bike manufacturers starting with Q, if youknow better feel free to jump in .
Rudge.
Quadrant.
& for S Silver Pidgeon for jap crap & Silk for brit s…
Rode a Silk once & that was enougth.
Triumph
Ural
vincent
Westonian sidecars
Wizard.
X = XL
Y = Yankee from guess which country ?.
Z = Zenith.
EXUP
thats the closest to X we’ll get
The only Y i can think of is Yamaha ( cant find anything else in my books either) .
Zenith, an pre war Brit bike with the JAP 1000ccV motor
Ariel
Bimota
Cotton
Derbi
Excelsior. Their first major racing success was in 1929 when they took the Lightweight TT race on a B14, soon to be their most popular model. Excelsior specialized in small-size engine bikes and production racers.
Francis Barnett
Grindlay - Peerless. My wife’s grandfather rides one, great bikes, but very rare.
Ive never heard of a grindlay peerless, have you got a picture?
I heard of Peerless, post me a piccy please
Hyosung
Indian
Junior, a real Italian classic.
K.T.M.