1978 18' Sylvan Deck Boat Remote Control Throttle operation....

ChazzL

Seaman Apprentice
Joined
Mar 8, 2011
Messages
42
I just bought this yesterday. It has a 1978 150 HP Johnson outboard on the back. I am trying to figure out what the black knob on top of the remote control housing does. I assume the small lever below the main throttle handle is to control the the idle when starting (pull it up towards me to increase idle?).
There is a black knob on the top which turns but what does it do. The motor is turning but not starting. Does this knob effect it?
I purchased the motor service manual on-line but there is no mention of the remote control. Would this be covered by the boat manual ( which I can't find), or the motor owners manual.
Thanks for any help. (I know I'll have many more questions....).
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