dex46
Thrash Merchant
Posts: 415
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Post by dex46 on Apr 9, 2012 17:53:03 GMT 1
Hi all picked up a cheap 31k last week started and ran with no issue's Yesterday i removed the exhaust's to fit a set of micron's on it and both pipe's had fuel in them as anyone had this problem now the bike wont start had carb's all to bit's checked and reset float height's today all seem's good in the carb's now the bloody micron's have fuel in them Carb's not leaking from overflow im thinking the vacum tap is shagged when in prime pos fuel flows well in the on/res there is a slight drip from pipe. Any help would be great got a feeling the crankcases could be full of fuel Got a very strong spark maybe wrong on this seem's fuel has been leaking into the engine whilst it has been stood
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Post by cinder on Apr 9, 2012 18:33:07 GMT 1
my first thought would be worn float needle valves ,as even if the vacuum tap was leaking it still shoudn't flood the crankcases/exhausts
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dex46
Thrash Merchant
Posts: 415
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Post by dex46 on Apr 9, 2012 18:42:08 GMT 1
I was thinking that as well forgot to add in 1st post i found one of the float valve seat retaining plate's missing in the lefthand carb and the valve seat was not fully home ive put that right as have a spare set of carb's in part's Strange thing is it ran perfect
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Post by 47x on Apr 9, 2012 19:14:11 GMT 1
definatly floats m8,get new ones and set them right,good luck
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Post by billyboy on Apr 17, 2012 19:15:10 GMT 1
check the o rings the fit on the brass body that the float needle seats in , i would suspect fuel is leaking past these ,before buying new floats and needles
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Post by hardhatharry on Apr 27, 2012 0:14:59 GMT 1
Could it be that the tank tap is faulty and always set to prime instead of run / reserve as that will fill the crank cases with fuel and then start to fill the exhaust if left long enough.
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