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Latest discussions at Pit Bike Club:
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02-03-2012, 03:38 PM
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#1
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Senior
Join Date: Dec 2007
Location: york
Age: 35
Posts: 899
Bike: 200cc bulldog
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how do you clear a flooded engine?
Hi all,
Whats the best method for clearing out a flooded engine?
The bike is a husqvarna wr 125 2 stroke.
Left the fuel tap on accidently when bringing it home in the back of the van, and now wont start.
I took the spark plug out last night and kicked it over a good few times, started but died after 5 secs or so, still sounding flooded.
Should i lay my bike down on its side to try clear out the carb? or do i need to fully remove my carb and check to see if the float is operating correctly?
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02-03-2012, 03:41 PM
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#2
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Burning Rubber
Join Date: Oct 2010
Age: 32
Posts: 244
Bike: stomp oor 160
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Re: how do you clear a flooded engine?
Try Turning the fuel tap off mate and kicking it with the spark plug in untill it starts up let it run out of fuel and stop then turn the fuel tap on and go from there hope this helps
Ash
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02-03-2012, 03:48 PM
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#3
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Senior
Join Date: Dec 2007
Location: york
Age: 35
Posts: 899
Bike: 200cc bulldog
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Re: how do you clear a flooded engine?
It doesnt start up at all mate, the only way i could get it to start (briefly) was to take the spark plug out (it was wet and black), kick the bike over 15-20 times to attempt to clear out the head, dry the plug, replace and fire up.
There still seems to be fuel in the carb, and possibly some sitting in my exhaust?
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02-03-2012, 03:54 PM
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#4
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Burning Rubber
Join Date: Jan 2012
Location: debenham, stowmarket
Age: 36
Posts: 238
Bike: yamaha yzf-r6
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Re: how do you clear a flooded engine?
Take the plug out and kick it over a few times. Dry the plug off but don't put it back in straight away. Take the carb off give it a good clean out and screw the air fuel screw in all the way and turn it out 1 and a half times then put it all back together and kick it over a few times should be fine. Might need to slightly adjust air fuel mixture again afterwards to get it spot on but it should run after that
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02-03-2012, 03:59 PM
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#5
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Senior
Join Date: Dec 2007
Location: york
Age: 35
Posts: 899
Bike: 200cc bulldog
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Re: how do you clear a flooded engine?
Thanks bud ill give that a go, it was running perfect before we put it in the van to transport it, should i still adjust the mixture screw?
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02-03-2012, 04:05 PM
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#6
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Burning Rubber
Join Date: Jan 2012
Location: debenham, stowmarket
Age: 36
Posts: 238
Bike: yamaha yzf-r6
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Re: how do you clear a flooded engine?
Quote:
Originally Posted by Acidman
Thanks bud ill give that a go, it was running perfect before we put it in the van to transport it, should i still adjust the mixture screw?
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I would mate if its flooding its running far to rich. But also check Ur spark. plug and ht lead first as if its not sparking it won't burn the fuel which will also make it look like its flooding. Would check that first to be honest. Take plug out of the head and put it in the ht lead hold it against the engine or frame to earth it then kick it over see if it sparks. If it does the do the things i told u too in my last post.
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02-03-2012, 04:14 PM
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#7
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Senior
Join Date: Dec 2007
Location: york
Age: 35
Posts: 899
Bike: 200cc bulldog
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Re: how do you clear a flooded engine?
I dont think the bike running rich caused the flooding, i believe its to do with transporting it in the van.
I think something has happened in the float bowl (float stuck or something similar) and i think the bowls brimmed over the top and into my engine.
Its recently had a piston rebuild and is running a higher 2 stroke oil mixture than usual to help the rings bed in. Whether this makes a difference or not im unsure.
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02-03-2012, 04:14 PM
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#8
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Senior
Join Date: Dec 2007
Location: york
Age: 35
Posts: 899
Bike: 200cc bulldog
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Re: how do you clear a flooded engine?
Also, i checked the spark when the plug was out and it seems spot on.
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02-03-2012, 04:36 PM
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#9
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Wheelie King
Join Date: Jan 2011
Age: 42
Posts: 2,013
Bike: custom pro z155
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Re: how do you clear a flooded engine?
just bump start the bike.will start straight off. if problem is flooding
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02-03-2012, 04:47 PM
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#10
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Wheelie King
Join Date: Mar 2009
Location: warsop/manfield in notts
Age: 32
Posts: 2,860
Bike: none at the mo
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Re: how do you clear a flooded engine?
You need a new spark plug mate
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