OK, well your 35hp is a short shaft mid 80s model, and that control box has never been updated…Does that "kill switch" work, or did someone bypass it? If indeed the safety stop switch works, try shutting the engine down by pulling the safety lanyard off while running to see if it shuts off properly…
You will need items 73-76 (two of the screws) to update your control box, you may have to drill the two holes in the warm up lever for the screws to go through. There used to be a "kit" to update the original control boxes, but I don’t have that part number and doubt it is available…
http://www.marineengine.com/parts/johns … te+Control
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