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Discussion Starter · #1 ·
OK,

I'm looking at the choke on the boat.

I have plenty of fuel coming into choke. fuel line is clear
Output of choke when activated gives very little fuel. It's just a couple of quick shots but not much fuel.

How much should it be. Is it just a solenoid that allows the fuel from top carb to flow to the lower two with no restrictions?


Also, How much should the butterfly valves on the carbs be closed when cold. I looked at all three carbs are closed fully. Is this like the old carbs on cars?

How to adjust.

Maybe this is the issue with my cold / first start. Usually takes quite a few cranks to get going.

93 Merc 200.
Thanks alot.
 

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If the beaotch can braeth u know the choke aint workin and u should tighten your grip!

sorry i got confused with something else. jk lol
 

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it will sound different cus the carb is closed and it cant suck air. do you have a hotfoot? if so try pushing the pedel to the floor and turn the choke on and it should start and shut off then push the choke half way let it warm up hope this helps.
 

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OK,

I'm looking at the choke on the boat.

I have plenty of fuel coming into choke. fuel line is clear
Output of choke when activated gives very little fuel. It's just a couple of quick shots but not much fuel.

How much should it be. Is it just a solenoid that allows the fuel from top carb to flow to the lower two with no restrictions?


Also, How much should the butterfly valves on the carbs be closed when cold. I looked at all three carbs are closed fully. Is this like the old carbs on cars?

How to adjust.

Maybe this is the issue with my cold / first start. Usually takes quite a few cranks to get going.

93 Merc 200.
Thanks alot.
on a 93 merc you dont have a choke you have a primer solinoid valve( forget the right name off the top of my head)
it will only really work if the primer bulbs is pumped up.
what happens is the solinoid will open and it will shoot a shot of fuel into the engine behind the carbs.

the way to check this is pull the little hoses from the base of the carbs that goto the solinoid, pump the primer bulb up push the key in, if gas squirts out it works that simple.
they usually in most cases either work or they don't
while you have the key in you can squeeze the bulb and see fuel shoot out as well.


the butterfly valves( throttle plates) have nothing to do with the choking system unless you have a real choke like on the old school motors,
they only open when you move the throttle plates DONT adjust them because of the choking issue.


Delw



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as far as your hard starting issue.
Have you done a tune up? Complete?
did you check your timming plugs linkage adjustments?

if your plugs look fouled replace them
does the primer buld get hard when you squeeze it? if it doesnt you might want to replace the fuelpump membrane, there check something like 12 bucks, older boats they have a tendacy to get a small pin hole in them and fuel shoots directly into the block when you pump the primer bulb.



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Discussion Starter · #8 ·
All,

went thru diags as some have suggested. Found a hose off bottom carb not hooked up. Doesn't seem to have as much fuel shoot thru as other boat I have.

After clean up and rehook up it started up pretty fast.

Boat runs great after started.


One question I noticed that it seems to crank somewhat slower than I think it should. Could this be the issue?

I'm gonna try a different starter to see if that's it.
 
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