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Second opinion] I have a 1989 force 125 just replaced spark
Second opinion] I have a 1989 force 125 just replaced spark plugs and all. Only the 2nd cylinder is getting spark. The other 3 have no fire. Could it be the rectifier or kill switch wires or maybe the… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
No spark JA: Sometimes things that you think will be really
I have traced the power to the motor and checked the kill switch circuit so I either have a CDI problem or perhaps a ballast resister on a Force 85 hp 2 stroke motor??? … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
, 1979 Mercury 40 HP 2 Stroke Outboard Motor Problems -
1979 Mercury 40 HP 2 Stroke Outboard Motor Problems - Need Help!Serial Number #5253313This motor would run about 10 minutes and then shut off. Wait about 2 hours and it would start again, and run about 10 minutes and then shut off. It did this several times, then it got to the point that it would not start at all.Here is what I have done thus far.I have replaced all the old parts with NEW ones:Stator: #18-5856Switch Box: #332-4911A5SolenoidWiring Harness on Motor has been replacedRectifier: # ***** Installed this one brand new. When I tried to start the engine, the Rectifier locked OPEN and is now ruined. So I replaced this with the CDI unit noted below.CDI Regulator Rectifier: #194-5279 There is still no fire to the plugs. Once you DISCONNECT the Yellow Wires from the Stator to the Rectifier you have fire; makes no difference whether you turn it over with the key switch, or take the wiring harness loose from the engine and pull it with the rope.Also, if the Yellow Wires ARE CONNECTED no matter how you try to start the engine it WILL NOT start.The ORANGE WIRE from the kill switch has been disconnected the whole time I have been doing these tests. … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
Bought engine on 24 trophy. Worked fine trips. On the
Bought engine on 24 trophy. Worked fine for 2 trips. On the third engine died and would not start. Once before it took nearly a half hour to start. The fuel pump is pumping. The plugs are wet. No spar… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a Mercury 20 HP - 4 stroke engine bought in 2013. A
I have a Mercury 20 HP - 4 stroke engine bought in 2013. A year ago, the cable from the battery was cut by the prop. We installed a new cable, but the motor wouldn't charge the battery. I replace the … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Tan, I have a 1988 70hp Merc, S/N 0B276244, with high voltage
Tan, I have a 1988 70hp Merc, S/N 0B276244, with high voltage problems. I have (quite literally) cooked three rectifiers. I brought it in for repairs when the top cylinder stopped working and they rep… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
i have 50 hp evinrude have no spark has new coils and recifter
i have 50 hp evinrude have no spark has new coils and recifter install and test stator with coils and recifter as the book said everything tested ok there are two wires come out of the side of the mot… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
just replaced the stator on a 1995 30 hp johnson j30eleob.
just replaced the stator on a 1995 30 hp johnson j30eleob. There are matching colored wires to the rectifier which connect to a terminal block. there is a gray wire also connected to the terminal bloc… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Im considering buying a boat with a 2004 Johnson 140 HP 4
I'm considering buying a boat with a 2004 Johnson 140 HP 4 stroke outboard. I'm wondering if these motors Have had negative mechanical or performance problems? It has very low hours and has been metic… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,783 satisfied customers
My 30 amp fuse n blows when the ignition is turned on ..when
My 30 amp fuse n blows when the ignition is turned on ..when the ecm is removed it does not blow. What are the items that the ecm outputs go to that will cause that fuse to blow. All the wiring looks … read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,545 satisfied customers
i have a yamaha 115txrc four stroke outboard that is not charging
i have a yamaha 115txrc four stroke outboard that is not charging the battery . I have replaced the battery(high quality interstate marine battery) and it runs down in 5-8 hours of run time. I have ch… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
Good afternoon I have a 1998 evinrude 150hp EXE150BCD. It
Good afternoon: I have a 1998 evinrude 150hp EXE150BCD. It is not charging the battery. We have changed both the rectifier and the stator as advised with no luck. Can you think of anything else that c… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
I have a 2000 Evinrude 70 hp 4 stroke. Ive ordered a prop
I have a 2000 Evinrude 70 hp 4 stroke. I've ordered a prop from Evinrude twice now and it doesn't fit. But Evinrude keeps telling me it is the right one. Whats up? Has anybody had any expierence with … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
I have an 80 horsepower 4 stroke outboard motor. I just replaced
I have an 80 horsepower 4 stroke outboard motor. I just replaced the battery that was bad but I am only getting power from the battery until it runs down. Could this be an alternator problem if so how… read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
574 satisfied customers
Jeremy I checked the voltage coming from the stators yellow
Jeremy I checked the voltage coming from the stator's yellow wire was 33v ac the yellow w/gray was 20v ac at idle and my tachometer wasn't working what should the volts be. Bob… read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 satisfied customers
i have yamaha 2002 model f80tlra motor 4 stroke engine.it
i have yamaha 2002 model f80tlra motor 4 stroke engine.it doesn't keep the battery charged.when you remove the positive the engine will die.what parts do i need and how do i fix it.local boat shop wil… read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
574 satisfied customers
My F225 is not charging the battery. I have removed and checked
My F225 is not charging the battery. I have removed and checked the red lead from VR that bolts up to the + on the starter solenoid, (read 14.28 volts). Which leads me to assume that the VR is ok. Whe… read more
Dominick
Dominick
Marine Mechanic
Vocational, Technical or Trade Scho
1,009 satisfied customers
1999 90hp mercury on pontoon boat. Just installed a new battery;
1999 90hp mercury on pontoon boat. Just installed a new battery; battery will not stay charged. Voltage reads about 12.3. Of the rectifier, voltage regulator and alternator, how do I check to know whi… read more
Pappy's Sales and Service
Pappy's Sales and Service
Vocational, Technical or Trade Scho
586 satisfied customers
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Meet the Experts:

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

Ted G.

Ted G.

Rigger, Diagnostician

704 satisfied customers

40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

John White

John White

Marine Mechanic

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11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

18,814 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,264 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,729 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

Marine Mechanic

2,672 satisfied customers

USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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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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