Hi and welcome on OSS.
Does that say RF14A?
R = dunno, S is off-road
F = 100-124cc
1 = 2 stroke single
4 = design sequence
A = model variation
more here
Only the GSX-R750 Slingshot models ('88 - '91) have the clutch operation on the right side of the engine, so they have an undrilled shaft.
All the others have a hole in the shaft.
It does not take long to reach 50 useful posts.
Get reading and join some discussions, you will probably enjoy it and learn something.
If you're too lazy to do that... spend your few grand elsewhere.