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Rough Idle bf 90 1997

free_time

New member
I have twin 90 w/1800 hrs runs

I have twin 90 w/1800 hrs runs fine at high rpms but when idle they will miss and shut off. did the basics drain carbs check fuel change spark plugs all ok. I did pull spark plug wires off 1 at a time and found the no change when I pulled the top wires off all others did change or shut down motor. I think the top carbs have trash in them on the idle stem. Just wondering if this sounds right.
Thank You Mike
 
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