| Author |
Message |
    
frank nolan
New member
Username: frankn
Post Number: 1
Registered: 07-2009
| | Posted on Sunday, July 19, 2009 - 08:57 am: | 
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I have a tohatsu 2004-5 18hp 2 stroke with approx 100hrs use,recently serviced, new plugs.It starts,spits a bit, and runs fine for about 10 mins. then dies as if u were trottling back.Put it into neutral for a moment and away again for a minute or two and it dies again.Been told it could be dirt in carb or faulty coil?? Can anybody help? |
Tohatsu Guru
Advanced Member
Username: tohatsu_guru
Post Number: 815
Registered: 06-2007
| | Posted on Sunday, July 19, 2009 - 07:55 pm: |
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It can be anything. Start with the fuel system. |
frank nolan
New member
Username: frankn
Post Number: 2
Registered: 07-2009
| | Posted on Monday, July 20, 2009 - 05:53 am: |
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Hi
I have checked fuel lines, put in new clean mix,had a mechanic have a look, but no joy.Should I have carb removed? |
Tohatsu Guru
Advanced Member
Username: tohatsu_guru
Post Number: 822
Registered: 06-2007
| | Posted on Monday, July 20, 2009 - 07:37 pm: |
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You should have the carb cleaned. |
frank nolan
New member
Username: frankn
Post Number: 3
Registered: 07-2009
| | Posted on Monday, July 20, 2009 - 08:53 pm: |
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thanks,will give it a go.good nite from dublin ireland. |
frank nolan
Member
Username: frankn
Post Number: 4
Registered: 07-2009
| | Posted on Sunday, August 09, 2009 - 01:11 pm: |
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OK, was with a mechanic when he checked out the fuel system, all seemed good.He then removed the carb., no problem there.Put everything back together, still the same problem. He was checking the compression when water pissed out of the cylinder??? Any ideas??? |
louisjohnson
Member
Username: louis165
Post Number: 11
Registered: 08-2009
| | Posted on Sunday, August 09, 2009 - 11:11 pm: |
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have your mechanic check the gasket under the power head thats what was wrong with my 40d if thats not it check the exaust plate but be very careful this bolts may break!!!!! |
frank nolan
Member
Username: frankn
Post Number: 5
Registered: 07-2009
| | Posted on Monday, August 10, 2009 - 10:11 am: |
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Thanks Louis, passed ur comments on to my mechanic.
Tohatsu Guru, would u have anything to add?
Thanks
Frank |
Tohatsu Guru
Advanced Member
Username: tohatsu_guru
Post Number: 873
Registered: 06-2007
| | Posted on Monday, August 10, 2009 - 02:31 pm: |
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Water coming out the cylinders, means:
Cracked block or leaking gasket. |
frank nolan
Member
Username: frankn
Post Number: 6
Registered: 07-2009
| | Posted on Thursday, September 24, 2009 - 04:27 pm: |
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Hello again, I ran engine on boat other day and noticed a lot of water coming out of exhaust outlet? Is this engine a wet or dry exhaust system? |
Tohatsu Guru
Advanced Member
Username: tohatsu_guru
Post Number: 967
Registered: 06-2007
| | Posted on Thursday, September 24, 2009 - 05:06 pm: |
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Wet. You will also find that the faster the RPM the less water you will see come out that port as the increased pressure forces it out through the prop. |
frank nolan
Member
Username: frankn
Post Number: 7
Registered: 07-2009
| | Posted on Wednesday, January 27, 2010 - 11:58 am: |
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Had mechanic strip down engine, block not cracked, turns out to be electrical problem.Said there is some sort of elec. unit that neeeds replacing and they are quiet expensive here in ireland.Does this make any sense to anyone? |
Tohatsu Guru
Senior Member
Username: tohatsu_guru
Post Number: 1148
Registered: 06-2007
| | Posted on Wednesday, January 27, 2010 - 12:32 pm: |
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No, it doesn't. Water coming out of a cylinder can't be from any of the electrical parts... |
frank nolan
Member
Username: frankn
Post Number: 8
Registered: 07-2009
| | Posted on Thursday, January 28, 2010 - 05:39 am: |
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ok, but can u tell me anything about this elec. unit on the engine, cost of replacement etc
FN |
Tohatsu Guru
Senior Member
Username: tohatsu_guru
Post Number: 1151
Registered: 06-2007
| | Posted on Thursday, January 28, 2010 - 06:03 am: |
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Which ignition part...The engine ignition system has to be tested, as outlined in the service manual, to determine which component is at fault. |
frank nolan
Member
Username: frankn
Post Number: 9
Registered: 07-2009
| | Posted on Sunday, February 14, 2010 - 04:57 pm: |
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im told the coil keeps breaking down??? |
Tohatsu Guru
Senior Member
Username: tohatsu_guru
Post Number: 1165
Registered: 06-2007
| | Posted on Sunday, February 14, 2010 - 05:57 pm: |
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"Which ignition part...The engine ignition system has to be tested, as outlined in the service manual, to determine which component is at fault."
There are three different coils on that engine. If one tests bad then that coil would need to be replaced. |
