Question about Boating
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Posted on Jan 02, 2017
SOURCE: 1986 9.9 Mercury Outboard Motor
Check plug wire first-- replace if bad. See if contact in plug cap is corroded. Use some Dielectric Contact Grease in the spark plug cap-- this will ensure good contact.
Also check kill wires that travel to tiller. They often get broken internally or get shorted out as they enter the housing engine.
These are the most obvious and easiest to fix. Your intermittent probem sounds like one of these issues (I used to have this same engine and had both problems)
Posted on May 17, 2009
SOURCE: mercury outboard over charging
Your motor is fine. It needs to put out more than 12 volts or the battery will not charge. Most alternators put out between 13 - 17 volts, so this is well within the range.
Posted on May 29, 2009
You will have to drain it yourself, no big deal in doing so...the plug is under the front of the car, on the back side of the oil pan...now...go get dirty...heehe...take care.
Posted on Mar 27, 2010
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