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Author Topic:   50 hp mercury 4s erratic idle

Pdp posted 08-16-2013 11:40 PM ET (US)
I have a new to me 2000 mercury 50hp 4 s. it idles a little high approx 1000 and sometime wiilgo higher on its own for a while then return to about 1000
1) how can I adjust the idle lower?
2) what is causing the erratic idle
Thanks

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Author	Topic: 50 hp mercury 4s erratic idle
Pdp	posted 08-16-2013 11:40 PM ET (US) I have a new to me 2000 mercury 50hp 4 s. it idles a little high approx 1000 and sometime wiilgo higher on its own for a while then return to about 1000 1) how can I adjust the idle lower? 2) what is causing the erratic idle Thanks