Hello all i was about to post this question and noticed frank answered a similar one from a 125 84 model. I have the 85 hp 1985 and only have the 2 marks on my flywheel also. Is it the same setup? Far right one is the tdc and the one to the far left is 30 degree?? Also i cant figure out how to adjust it. I see the nut up way under the flywheel but is that the right one? Is there a trick to getting up to it with the motor turning?