Originally Posted by Kevin (NZ).
...We have three groups. Let's put numbers to them
800- 1000 Y bikes.
800 Hybrid Spitfires.
6000-7000 Dash Y twins of 1967...

Not sure where those numbers come from. Did I supply the Hybrid and -Y numbers?

My notes indicate:
478 Hybrid Spitfires
aprox. 12,000 "-Y" '67's

1967 BSA Wasp
1967 BSA Hornet (West Coast Model)
1967 BSA Hornet (East Coast Model)
1968 BSA Firebird Scrambler
1968 BSA Spitfire Mark IV
1965 Cyclone Competition where are you?