need help engine problem!!!!!!!!!!!!!!!!!

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Gatuso86

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after starting it you can go down the field no problem ,turn around about 800yards and on the way back the engine does not have any power but still runns leave it ticking over and she will go fine again tryed plug different carb which i know is fine and its the same could any body tell me would a bottom end gasket do this or the seals it is a 30.5 cc cy engine cheers chris:(:(:(
 
Gatuso86 said:
after starting it you can go down the field no problem ,turn around about 800yards and on the way back the engine does not have any power but still runns leave it ticking over and she will go fine again tryed plug different carb which i know is fine and its the same could any body tell me would a bottom end gasket do this or the seals it is a 30.5 cc cy engine cheers chris:(:(:(
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Running too lean & it starves itself at higher revs maybe due to an air leak? Is there any fuel in the primer bulb on the carb when it comes back with no power? Blocked breather hole in the tank?
 
yeh there is fuel in the bubble when it comes back like i say it goes like sh.t off a stick then u think some one has just turned you down to half throttle and sputtery let it tick over for minute then its fine again
 
not sure then - could be a fault on the coil. Maybe try a spare coil (or a friend's) & see if it solves it
 
Gatuso86 said:
is there a gap setting on the coil to the rotar fan
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i just had the head off all gaskets seem fine i sorted the coil 0.5 gap i was looking at the head were the inlet is on the inside and on the 23 cc there seems to be a channel to the bottom and on the 30cc head it is very very small ,is that used for anything to supply fuel it comes from that little hole cheers:rolleyes::rolleyes::rolleyes::rolleyes::rolleyes: come on this has got me head done right in some one must know you tuners out there come on
 
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