Mercontrol knob function

1

10000lakes

Cadet
Joined
Sep 10, 2007
Messages
25
I have 1979 Mercury Thunderbolt 70hp(just bought it) I am assuming the MerControl is the same age. The throttle has to go all the way forward to get up to top speed. Is there a way to adjust the tension? Is that what the knob on the front is for? What is the proper tension for the throttle? mercontrol.jpg
 
C

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,158
Re: Mercontrol knob function

I don't know of any knob or way to set friction on that control. There is a 3 prong connector on the MerControl which is used to connect the tachometer.
 
M

maagee79

Petty Officer 2nd Class
Joined
Jun 14, 2010
Messages
174
Re: Mercontrol knob function

My controls have the tensioning knob I think its broke though. I have the same problem with mine. You have to push real hard to get it to get up on plane then very little movement to adjust rpms right? Im going to change throttle cables this week and see if there is any difference.
 
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