Posted by lachleves on December 14, 2008 at 11:49:26 from (81.141.7.180):
a while back i had the old timer (super c) going - now he's stopped again. to tell the truth, he hasn't really run properly since i've had him...
tried towing him to start him today, but no joy. he coughed and spluttered (backfired a few times too), then ran smoothly, just on tick over for about 10 seconds. this, over and over - each time i towed him.
there was no sign of life, while bump starting, on half to full throttle, and yet when i used the choke, petrol ended up coming out of the exhaust manifold - presumably far too much petrol getting through.
when i've tried cranking the engine with full choke, petrol squirts out of the drain plug of the carburetor (zenith carb). that sounds like too much fuel, but the failure to start except with the throttle closed (and then, only for a few seconds) sounds like fuel starvation!
has anynone any idea what's going on??
by the way, i've just tried adjusting the timing and checked the spark from the plugs - all seems okay. i'm sure it's something to do with fuel!
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