by Rock
(South Haven, MI, USA)
I have a 1998 200hp mercury efi. Owned it for five years. Two years ago I began to get an extended crank but it always started. Last year it started getting worse but it still always started, just a 30 second or more crank time. Today it seemed to give up the ghost. I do a pretty good job maintaining it but I'm no pro. List of service: new BU8H plugs twice a year (maintenance only very rarely foul a plug), new fuel filters (engine mounted with water separator and hull mounted) each year. Early this season I replaced the impeller and it started and ran fine when I tested for water flow. It has sat for a month since waiting for good weather when I'm not working. Now it won't start. After very extended cranking it will start for a moment and immediately die. Like I turned off the key. Throttle makes no difference. Sometimes when it starts it races up to almost 3,000 rpm's before it dies.
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