1995 Suzuki DT90 - What is the F/S knob on the outside of the motor casing for?

icenine

Recruit
Joined
Sep 11, 2013
Messages
2
Hey there.

Hopefully someone can answer this. Been looking everywhere for a DT90 operators manual with no luck. 2 repair manuals also shed no light.

On the outboard's lower casing close to where the fuel line goes in there is a rotary knob with F and S marked on it. My guess is it's for a lean/rich mix for the oil injection. If so, what should that be set at?

Any insight would be appreciated for what is probably a really stupid question :facepalm:

Many Thanks :)
 
Last edited:

deejaycee_2000

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Joined
Mar 28, 2006
Messages
3,447
Re: 1995 Suzuki DT90 - What is the F/S knob on the outside of the motor casing for?

Nope, that is the ignition timing switch .... it will just adjust your idling .... the ideal setting is between, fast & slow ... but you will have to find the sweet spot ...
 

icenine

Recruit
Joined
Sep 11, 2013
Messages
2
Re: 1995 Suzuki DT90 - What is the F/S knob on the outside of the motor casing for?

Many Thanks deejaycee_2000 :)
 
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