30DNT 29cc 'randomly' dying

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Ollie

Ollie

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On a Farm in the south west of the UK
so my 30dnt 29cc engine has been randomly dying every so often, i beleive it to be fuel related as it only seems to do it after prolonged full throttle and rather than just cutting it slowly fades away/looses revs. just looking for any other ideas or specific parts to check.
just want to add that it runs perfectly fine most of the time

many thanks ollie
 
What have you checked so far, what has led you to fuel issues? When it dies is there fuel still in the primer bulb? Is it boiling? What have you done to the engine. What have you done to tune tune the engine as far as needles.
 
Rep732 said:
What have you checked so far, what has led you to fuel issues? When it dies is there fuel still in the primer bulb? Is it boiling? What have you done to the engine. What have you done to tune tune the engine as far as needles.
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haven't checked anything to deep so far bar the plug and cleaning ht lead connection and checking fuel filter. when its dead theres fuel in the bulb put if i press the bulb about 3 times all the fuel is gone before it starts pulling it back in (don't know if thats normal). tuning wise L needle is at 1 1/4 and H needle is just over 1 1/2 and the plug is pretty much as perfect colour as ive ever managed to get and it runs fine when its fine.
haven't ruled out killswitch but i have no way to test it really
 
my truck did the same thing before. it was a loose carb bolt, the ones attaching the carb to the engine.
 
i wpuld say most likely the tank vent ollie,
vacuum created by a blocked vent, hence the bulb empties and then refills after pumping,
plus it only does it after wide open throttle ,
or clogged felt filter on the clunk,
or collapsed fuel lines,
 
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