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Awful grinding noise while attempting to start
I have a 1987 200/v8 merc. I put it in the water on Sunday, started great and ran beautiful (just had the lower unit serviced and seals replaced due to leaking gear lube). Parked it at my dock, washed it etc and when I went to start it last night, it made an awful grinding noise. I stopped there as to not cause anymore damage. Def sounds like the starter... which I replaced back in 2015.that's the logical place to begin, right?
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1987 Wellcraft v20 Steplift Tavares, Florida ================ 
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#2
07-02-2019, 09:00 PM
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yep, sounds like the starter, check all your battery connections, feel the battery cable to see if there are any hard spots
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#3
07-03-2019, 07:23 AM
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Quote:
"Hard Spots" in the cable... What you mean by that?
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1987 Wellcraft v20 Steplift Tavares, Florida ================
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#4
07-03-2019, 09:42 PM
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I'd start by looking at the starter to see how it is engaging....spray some WD40 and smack it with a BFW...
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1984 V20 "Express" & 2003 Suzuki DF140 (SOLD!) 2000 GradyWhite 265 Express YouTube/SkunkBoat https://www.youtube.com/channel/UC4F...znGospVOD6EJuw Transom Rebuild https://www.youtube.com/watch?v=EEz94NbKCh0 https://www.youtube.com/watch?v=Oe_ZmPOUCNc
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#5
07-04-2019, 09:51 AM
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if a battery cable gets any internal corrosion, the cable in that area will get stiff and hard. You cut the insulation open and its green or black corrosion on the copper. See it all the time with Yamaha outboards. I use a load tester to check the battery cables. If the battery passes load test, I check it at the engine, if it fails at the engine, I start checking components between the two, one at a time. If I think the cable is bad, I'll work the cable back and forth, if you find a bulging area, or stiff area in the cable, its most likely bad at that point. Battery switches can go bad as well. Putting a bad battery with a good battery can screw things up also. You can use a good set of jumper cables to test the circuit as well. From the sound of it, I'd check that starter. Make sure the mounting bolts are tight and the ground cable to the starter is good
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#6
07-07-2019, 10:21 AM
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So my plan was to start with replacing the battery connections... even though I figured it was the starter. They needed it anyways. After getting all the cables and terminals replaced, I went to get a feel for the bolts on the bottom of starter and who would've guessed: both damn bolts were loose and the whole starter had play.
Bolted that ***** back up and BOOM! Runs beautifully!
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1987 Wellcraft v20 Steplift Tavares, Florida ================
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#7
07-07-2019, 09:41 PM
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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#8
07-09-2019, 09:42 PM
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I love a happy ending, but what I learned from experience is you always start at the easiest and obvious point , I had a issue either my 50 horse mercury when I went to start it the volts dropped so much it would not start,weird right, so I asked a mechanic and he said I would have to drop it off cause I have a drastic power drop, holy crap that sounds expensive I said to my self so I got home and said,Joe start at the beginning,the battery's and guess what the cables were lose, tightened them up and away I went, always start at the most obvious,
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love to fish
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