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Mariner 4M

T

The danish

New member
Hi
I'm looking for the right size of my mainjet on the following motor:
Mariner 4M S 60E s.nr. 112909
Can anyone please help?
Kindly regards
 
These specs are for 4,5,6 cyl, 4-stroke motors. If yours is a 2-stroke then it will probably be different. Please post if you find the correct specs as I am a Mariner 4 ML 2-stroke owner. I found the service manual for the 4-strokes a few years ago and find it quite helpful, but circumstances like this is where it falls short.
Mike
 

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Thank you, Mike. Precisely. I found the service manual for the 4 stroke myself, but as you say, it doesn't specify the main jet size. And there are no numbers on the main jet.
 
Well the jpg I sent does have the main jet sizes, but the 4 hp is #70/#58 which are both incorrect. Fun Times with the save!
Mike
 
We have the same motor! Mine is a long shaft, I have a sailboat. Yours came off the line earlier, my serial no. Is 336357. I have actually been contemplating changing jet sizes since I'm located above the recommended elevation range for factory jets. The manual actually mentions this, but provides no specific recommendation other than consult your dealer.
This thread has been a tremendous help!
Mike
 
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