Pre89 Formula engine limits

Please note: The rest of the class rules are in the MNZ General Competition Rule's.
These are provided on an 'as-is' basis. VMCC will be using these limits until further notice.

Pre 89 Lightweight. F3.
125cc to 400cc 2, 3, 4 cylinder 4 stroke.
Unlimited cc single cylinder 4 stroke.
Up to 600cc single cylinder 2 stroke.
GP 125 2 stroke.
Up to 250cc Production 2 stroke.

Pre 89 Junior. F2.
Grand Prix 250 2 stroke
251cc to 430cc. 2, 3, 4 cylinder 2 stroke.
401 to 600cc, 4 cylinder 4 stroke.
Up to 750cc, 2 valve per cylinder, aircooled twins.

Pre 89 Senior. F1.
431cc to 1300cc 2+ cylinder 2 stroke.
601cc to 1300cc single cylinder 2 stroke.
601cc to 1300cc 2, 3, 4 cylinder 4 stroke.