From my years as a Falcons fan:-
1. Ivan Mauger - to me the greatest ever
2. John Titman - much under-rated rider who blossomed at Leicester
3. Mark Loram - still an Exeter asset!
4. Vaclav Verner - bonkers but so entertaining
5. Scott Autrey - my first real speedway hero
6. Steve Regeling - pure class at NL level in the late 80s/early 90s
7. Richard Green - almost an up to date version of Verner