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Author Topic:   Remote Throttle Control Friction
tfrutchey posted 06-11-2015 11:19 AM ET (US)   Profile for tfrutchey   Send Email to tfrutchey  
My Mercury 90-HP [remote] throttle falls off while running, loosing RPM. In other words, it runs fine but I have to hold the throttle down to keep up the RPM. How do I adjust?
Phil T posted 06-11-2015 12:20 PM ET (US)     Profile for Phil T  Send Email to Phil T     
Remove the cover and look for a friction screw.
jimh posted 06-12-2015 07:15 AM ET (US)     Profile for jimh  Send Email to jimh     
Check the owner's manual or the installation manual or the service manual for guidance on how to adjust the friction for the remote control lever for the throttle. Usually these adjustments are accessible on the remote control throttle assembly without having to disassemble the mechanism.

Often you can find exploded view diagrams of components like this on the manufacturer's website or on part vendor websites.

Perhaps starting at

will lead to a helpful resource.

tfrutchey posted 06-12-2015 08:45 AM ET (US)     Profile for tfrutchey  Send Email to tfrutchey     
Thanks, great place to start
dbrown posted 06-12-2015 11:36 PM ET (US)     Profile for dbrown  Send Email to dbrown     
If this is a newer style Mercury remote control (Binnacle), the adjustment must be made from under the dash. It is a 5/16 nut that is tightened to increase friction that will stop throttle creep. If you look to the right side of the control where the cutout is in the link I posted, you can see the nut that I am referring to. A half or full turn should do it. Friction%20control%20mercury_zpsjwmqrt2w.jpg

dbrown posted 06-12-2015 11:41 PM ET (US)     Profile for dbrown  Send Email to dbrown     
I might add that this is another one of Mercury's intelligent ideas compared to other manufacturers simple way of accomplishing the same task. But the good news is, once it is set, you no longer need to access it.
jimh posted 06-13-2015 10:55 AM ET (US)     Profile for jimh  Send Email to jimh     
I think there is a bit of sarcasm there in dbrown's reply. If this were truly an example of Mercury's "intelligent design" the adjustment would have to be painted yellow, and there would be a QR code decal near it. You could then buy an $800 smart phone, get an $80 a month data service, and use the smart phone to decode the QR code. That would lead you to a website, where you could watch a recording showing how to make the adjustment--assuming you also had all that hardware and software to watch the recording. This does not seem to rise to that level of "intelligent design."

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