Mariner four cylinder 50hp 2 stroke

Tremlett 15 said:
I will scan the wiring diagrams pages from the service manual and post them up, over the two days. I will use serial No 9307795 as some are different re the year/serial No.

also can you post a photo of your control box ( the single lever control box ) so that I get the correct one.....
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Jfm can you post the wiring diagram for my engine anyway it might be of help so i know what wire dose what cheers :)
 
Mavric said:
Jfm can you post the wiring diagram for my engine anyway it might be of help so i know what wire dose what cheers :)
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the other jfm here.............




IMG_0001-42_zps68fa0659.jpg


i think this is the correct one

if you cant read these, then send me a PM with your email & I will forward them via email.
 
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Mavric said:
These are photos of my yamaha control box and the end of my mariner wiring loom will they fit and can you tell me what the arrowed parts are for and where to put them cheers .

View attachment 28791View attachment 28792View attachment 28793View attachment 28794
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sorry I dont know, my engine is manaul start ( pull start ) and in 1976 we removed its simple el "loom" and fitted a direct kill-cord, so I am not into the electric side too well. I will have a look thro the service manual.

but make sure when you have it all up & going that you have a kill-cord fitted.
 
Mavric said:
These are photos of my yamaha control box and the end of my mariner wiring loom will they fit and can you tell me what the arrowed parts are for and where to put them cheers .

View attachment 28791View attachment 28792View attachment 28793View attachment 28794
Click to expand...

the items in the first photo, look like the items from the lever control lever Merc/Mariner for engines with serial Nos below 9248006

item at ur thumb is a techo connection, item with the other large arrow looks like choke switch,
 
Tremlett 15 said:
the items in the first photo, look like the items from the lever control lever Merc/Mariner for engines with serial Nos below 9248006

item at ur thumb is a techo connection, item with the other large arrow looks like choke switch,
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you will see them in this photo ( in the lever control box ) which is for serial Nos Below 9248006 ( which I read as below 1980/81 )

IMG-59_zps709cf993.jpg




have a look on the engine block to see if you can find the serial No on it, I have never needed to do this so cant tell you were it is, but been told it should also be on the engine block ??? ( you can now see why the serial No is so important, not just to date the engine but to get the correct info )


ps, I will be away until this Thur.
 
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Tremlett 15 said:
the items in the first photo, look like the items from the lever control lever Merc/Mariner for engines with serial Nos below 9248006

item at ur thumb is a techo connection, item with the other large arrow looks like choke switch,
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I thought the ignition switch has push to choke ? so why would there be another choke ?
 
Tremlett 15 said:
like I said...my engine is a pull start.......so my answer is: dont know...

do you have two chokes ?

where is the 2nd one ?

me away from tonight until Thur


.
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I thought the ignition barrel for he key was push to choke might be wrong i know that part in the photo pushes in so i might only have that choke.
 
Hi MapisM. Please tell me how to remove obstruction in the intake manifold on the Mriner Magnum 4 25 hp 4 cyl. I'm little late but i buy now used. Thank you and i hope for your answer.
 
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