Question 1. Who has been the last rider to race a Norton Manx in a TT (not TT classic and not MGP) race?

Question 2. Who has been the last rider to race a TT on a hand-lever-gearbox machine?

Question 3. Who has been the last rider to race a TT with the plug spanner in his racing boot?

I know the answer only for question 1.

No 1 Sam McClements Ryan Norton 1978 Senior 500

No 2 Might be me?

No 3 Larry Devlyn ?