Need to look at some videos on maintaining this simple magneto.----You overlooked something.----Like removing magplate and screwing new wires into the coils BEFORE putting coils in position.---Factory offered a special ring to place coils in position.
Threads on those tubes are all the same.-----The ---" tiller cable " and pulleys are no longer legal on motors of 50 HP I believe.-----Go with a modern cable system..---It will fit.
There is a throttle cable and a shift cable.----The trunnion is the method for adjustment.----Curious to know the reason for your question.-----Issues with your motor ?
Two strokes last a long time.----Most end up on the scrap heap because of mistreatment / mistakes made by owners.-----Ever see a jet skier in operation ?----near constant idle to full throttle all afternoon long.----I call them ----" bumble bees "