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Old 23 July 2008, 08:46   #1
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Country: UK - England
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cant get it to start !! merc50

new battery new plugs and even new steering wheel and cable ....just gone to start it after winterising last year put new plugs in and it wont start looks like a good spark but the plugs are bone dry after a lot of trying , is this usual or is something wrong been trying for about 10 mins!
all 3 plugs still bone dry just undone drain plugs on carbs and plenty of fuel coming out of each carb

i did all the carbs and plug holes last winter with quick silver winteriser

thanks

i got the prop in an old water tank and theres plenty of oil on the top of the water !
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Old 23 July 2008, 08:53   #2
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take out a couple of spark plugs put a small amount of petrol in the cylinders and put the plugs back in and see if that will clear it.
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Old 23 July 2008, 09:01   #3
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thanks for reply wat would u say approx a tea spoon full or more than or less than
thanx
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Old 23 July 2008, 10:02   #4
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ok tried that but still nothing not even trying to fire . removed the plugs and there was a little smoke in the pots but there is no sign of it trying to fire up seems as dead as a dodo any suggestions . it started for winterising and thats last time i had it running
or anyone no of someone in herts that can do outboards?

just wondering is there a way to check fuel pump was going to remove a pipe but they are cable tied
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Old 23 July 2008, 10:34   #5
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you could try squeezing the primer bulb whilst you turn the engine over you might get fuel through the pump even if its faulty enogh to start it at least it may give you some idea. you say that you have the engine in a tank of water its not too deep in is it as you may have too much back pressure and with it been winterised could be that whats stopping it firing up . i usually put about a good teaspoon full down each cylinder ,
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Old 23 July 2008, 10:50   #6
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Sounds like the reed valve may be stuck shut.
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Old 23 July 2008, 11:03   #7
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tried squeezing the bulb whilst turning the ignitino the bulb went soft while turning motor over and took quite a while to firm up but still no sign of a fire
the water just covers the top hole fin
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Old 23 July 2008, 11:04   #8
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just seen the reed valve one what do i have to do to check if thats the problem
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Old 23 July 2008, 11:05   #9
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sounds like the fuel in the carb has gone off. Goes all sticky and gooey and blocks the jets and makes the float stick etc. Might have to take the carb off and give it a clean out.
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Old 23 July 2008, 11:35   #10
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is it just two bolts that hold the carb on ,also what do i need to clean and is there anything i should be aware of before satrting
i notice all the fuel pipes are like tie wrapped can i replace these with jubilee clips or where do i get a tie wrap tool for the job
or is it poss to clean all necessary part with out removing fuel pipes ?
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