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I need to chat with a Mercury mechanic. I need to know the
I need to know the voltage my stator is suppose to put out between idle speed and full rev. … read more
Tan
Tan
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2oo4 mercury 90hp 2 stroke in jan 2017 put boat in shop and
2oo4 mercury 90hp 2 stroke in jan 2017 put boat in shop and r/r tach and replaced the corroded ground block. also told them make sure batts are charged up and give tic. got boat back and both batts de… read more
Jason
Jason
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I have a 1992 Johnson 48SPL which has dual new batteries with a Blue Seas switch and an AC
I have a 1992 Johnson 48SPL which has dual new batteries with a Blue Seas switch and an ACR. I know this motor has a small charging system on it (I think it's 6 amps), but my problem is that I never s… read more
Jeff G.
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I have a 1995 Evinrude 130. Last year replaced the regulator/
I have a 1995 Evinrude 130. Last year replaced the regulator/ rectifier and saw 15-16v charging and it restored the Tach. Just got it out of storage, charged the batteries and when I hit the water, am… read more
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Hi There My 50ESL75B outboard is not charging the battery
Hi There My 50ESL75B outboard is not charging the battery as I am only getting terminal voltage at the battery while the engine is running (12.5V) when I should be getting charge voltage (above 12.5V)… read more
Charles
Charles
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I have a 2005 merc 40hp 3 cylinder efi four stroke.im having
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Jason
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1996 150 erude....runs fine....tach working at idle...increase
1996 150 erude....runs fine....tach working at idle...increase rpms to about 12-1300 and tach needle drops to 0...lower revs below that and tach turns back on....battery strong but voltage at batt is … read more
Jason
Jason
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I have a 1996 200hp mariner EFI. My boat starts fine and runs
I have a 1996 200hp mariner EFI. My boat starts fine and runs fine as long as the battery has a fresh charge. As I drive around the voltage drops down to 8 volts. I know this is because of the electon… read more
Charles
Charles
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I have a 1975 Evinrude 115 Hp with stator or charging problems.
I have a 1975 Evinrude 115 Hp with stator or charging problems. The direct current values taken from the rectifier terminal has negative values. (-50, -856, -436 and so on) I bought this motor used an… read more
Jeff G.
Jeff G.
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I have a mercury outboard 30 hp 2004 with electronic fuel injection
I have a mercury outboard 30 hp 2004 with electronic fuel injection , remote starter / controls. I have had the engine since new and maintained it religiously. However I have a question. It drains dow… read more
Jason
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i have a 2002 40 horse 4-stroke e.f.i. i noticed my battery
i have a 2002 40 horse 4-stroke e.f.i. i noticed my battery was dead. i disconected the cables from the motor and recharged the battery. it held the charge for over 4 weeks. i changed the oil and spar… read more
Jason
Jason
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i have a 2001 25horse mercury 4stroke that the voltage regulater
i have a 2001 25horse mercury 4stroke that the voltage regulater burnt up i had a new one put on.now when i put the battery cable on i get a spark from it. the red wire going to the votage regulater h… read more
Jason
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I have a Mercury 90HP ELPTO S# XXXXX on my bass boat which
I have a Mercury 90HP ELPTO S# XXXXX on my bass boat which was acting strange at the end of last year. The dash voltmeter would drop to ~12V at higher speeds, say >4000rpm. When I slowed to <4k,… read more
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I have a 1987 mercruiser with a 165 engine. it does not have
I have a 1987 mercruiser with a 165 engine. it does not have an alternater but charges through the flywheel assembly. heres my problem. im not wure its charging, i installed a new battery and its only… read more
James
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I have a Johnson 90 hp outboard 1986 serial AJ90TLCDC. There
I have a Johnson 90 hp outboard 1986 serial AJ90TLCDC. There is something wrong with the charge circuit as it is not charging my batery. Do you have any suggestions, is it fused? do you have any diagr… read more
Jeff G.
Jeff G.
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hi!motor (1995 evin.88 spl)originally was blowing fuses and
hi!motor (1995 evin.88 spl)originally was blowing fuses and leaving me stranded- stator was replaced- same problem -rectifier was replaced also- recently took back out to check- voltmeter was maxing o… read more
Yachtwork
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How much voltage should I get out of the alternator before
How much voltage should I get out of the alternator before the voltage regulator is DC or AC.… read more
Yachtwork
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I have a 2000 90 hp mercury four stroke. The motor is not
I have a 2000 90 hp mercury four stroke. The motor is not charging the battery. I tested the battery and got 12.5 volts. I started the motor and rev. to 1500rpm and tested the leads from the motor and… read more
orcamarine
orcamarine
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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