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Mercury 50 hp wont idle

merseypirate

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Hi I have a mercury 1980 50hp

Hi I have a mercury 1980 50hp mercury that cuts out and wont idle the engine just cuts out has to be on high revs and then its fine. I have cleaned the carbs but still wont tick over Any help or ideas .gordon
 
"compression and spark test fi

"compression and spark test first, you can use a timing light to see if it has spark on each cyl. also it could be a carb flooding, with engine off pump bulb and look down carbs to see if any fuel is dripping out."
 
Hi New to boat maitainence but

Hi New to boat maitainence but how do you know if the float is stuck closed or jammed open and how can you tell if they need replacing.
Gordon
 
"I have a 2004 Mercury 50 Hp m

"I have a 2004 Mercury 50 Hp motor. Ran weel last time out ,about three weeks ago. Will not start now. No spark to any plug. Ideas?"
 
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