Thanks Joe.
I just had a search and a look about. I found the C info and A and B are richer or higher revs.

I think i may have to check a few O-rings, the two inlet mainfold ones and the starter one too. Will do the same with the inlet on the G4 full crank.

I am thinking that all the mowers i have here are older than 10 years.


Thanks, Bob.