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I bought a surplus ryobi 20cc grasscutter.it starts for a while and sundenly stops.carbs good,new sparkplugs.and found out that current from the ignition coil doesnt flow how can i fix this problem,,
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It sounds like you've done a long list of troubleshooting activities. At this time, it might be good to call Ryobi and ask them for a local dealer that can provide a free in-person analysis of your machine in order to get it to start again.
Make sure that all of your fuel lines are good with no leaks and cracks. Ditto for primer bulb. If all ok, then you need to clean out carb, or get a kit for it.
Be careful with primerbulb especially if use alkylat fuel for a fuel surplus some times remove the sparkplug and holding the mufler in down to the ground position so to release the surplus out of the machine , if that is not working after replace sparkplug and starting , then you can have a problem with compression but first the spark of your machine must be colored white/blue and not red. if thats also good then remove the muffler and look on the exhaustside of your piston if there are grooves on then you know whats wrong in the fastest time if that is not that it looks smooth like a mirror then seals on the crankshaft , tankairiation good ? gasket(s)carburetor and cilinder underside .
May be your compression is lost if its cold ? remove the muffler and look at your piston if thats smooth like a mirror then look your sparkplug maybe a sparkplug gem ??
The gap for the Weed Eater 20cc engine can be set @ .025". The larger engine Ryobi 31cc/32cc class can be set @ .030" Either engine would operate within that .005" range and I know a 32cc Poulan calls for a .030" gap.
check compresstion first if good.then check for fire if good then spray little startfluide in carb if ti starts rebuild carb if it dont start you have problem in blower some where like fire sparkplug timing on flywheel key take flywheel off check key.make sure kill switch wire is not shorting out somewhere.make sure magnet on flywheel is good.let me know if this helps you ok
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