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Old 24 April 2006, 04:23   #11
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Quote:
Originally Posted by andy9466
hi tim

the plug gaps should be 0.040in (1.0mm)

hope this helps

andy
Thanks

I was away all weekend so didn't get a chance to work on it . Will report back as soon as I have them changed .

Tim
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Old 24 April 2006, 05:53   #12
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if you have a manual pull out choke lever thingie on the front of the engine try pulling that out to start instead of relying on the remote electric choke switch. The mariner 40 we had on a fishing boat would start from cold first time on that but would take for ever if we used the solenoid switch instead (voltage drop alowing the chokes to drop back perhaps when cranking perhaps?) . once started it was fine on the elec switch for the rest of the day even if it had been switched off for a few hours at sea in winter.
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Old 11 July 2006, 15:09   #13
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maybe have a look at the starter motor? could be on its way out
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Old 12 July 2006, 04:15   #14
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Hi

I changed the plugs and that gave a great improvement . Starts from cold on the 2nd or 3rd turn of the key now .
Thanks for all the help .

Tim
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Old 12 July 2006, 04:29   #15
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Quote:
Originally Posted by TimMcC
The outboard was serviced two years ago but only has about 20 hours done since so I suspect that everything should be ok .
Thanks
The plugs should really be fine after 20 hours use, even if they are 2 years old - plugs don't deteriorate when not used to my knowledge.

It is possible that you just had one or even two duff plugs, it's not unheard of. Possibly they just needed re-gapping.

Glad to hear it's sorted though
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Old 12 July 2006, 06:30   #16
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Quote:
Originally Posted by TimMcC
Hi

I changed the plugs and that gave a great improvement . Starts from cold on the 2nd or 3rd turn of the key now .
Thanks for all the help .

Tim
As a matter of interest were they NGKs?
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Old 12 July 2006, 08:43   #17
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As a matter of interest were they NGKs?
Hi

Yes they were NGK's . Plan on getting out this weekend . Hasn't been started for over a month ( must get a job that will give me more leisure time ) so if it starts up first or second time I will take it the problem is sorted .

Regards

Tim
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Old 12 July 2006, 21:07   #18
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Hi

Yes they were NGK's .
Thought as much-NGK's quality control seems to go in fits and starts.

I've known them to last for 20k+ miles in a bike and then buy a new set where 1 in 2 start to break down in 10 miles. Go figure
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Old 13 July 2006, 06:01   #19
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Thought as much-NGK's quality control seems to go in fits and starts.

I've known them to last for 20k+ miles in a bike and then buy a new set where 1 in 2 start to break down in 10 miles. Go figure

Hi

Originally I was given “Champion” equivalent plugs but I returned them
as they were physically about 4mm longer then the NKG’s that were originally
in the outboard and I didn’t want to chance it for fear of doing damage . From what I can remember the Champions were about half the price ! .

Regards

Tim
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