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no spark on left cylender HELP


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my bike had spark on the right side when i pop started it the last time. im wateing for a friend to get here so i can try to pop it again and switch the plugs to the other side and see if the left one runs. now i changed the boots it has none i can put my hands on the plug and kick it and not get shocked WTF??? i should have sold it when it was runing like my friends said and bought the new yfz450R

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Check the gap on your flywheel. Most people use a matchbook cover to set it.

 

 

 

 

dude you don't sound very smart people here clearly tryed to help you, first have you changed the spark plug wires opposite from what they were and tryed to kick it to see if the cylinder that's been missing is still missing? if it is, it's not a firing issue...

 

if the cylindrs switch and you have problems with the other one you most likely have a bad coil or short somewhere. trace the 2 wires that plug into the coil and see where they go and make sure theres not cuts in them. then get back with me.

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If the pick-up gap on the flywheel is too wide, it will usually cause it to run on one cylinder. It's been covered many times on this forum. It's an easy fix, and doesn't cost anything to check.

 

My bike started missing on the left side lastnite after I changed my pilots, so I went ahead and put everything back to stock in the carbs,

And now its still missing, wont stay on Im stumped

I took out both plugs an cranked it an it seems to get spark.

It only starts on choke now, before it would crank with no problem on half a kick.

So how could I check the flywheel?

Thanks

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