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Old 05-19-2009, 11:33 PM   #20
Water Warrior 2
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Join Date: Dec 2006
Location: Squamish B.C Canada
Posts: 11,409
Re: Help! Bike cranks fine but won't start.

Quote:
Originally Posted by Easy Rider
Quote:
Originally Posted by DSmithjr
I probably drained about a gallon out of it. I’m not sure that this would cause any serious damage, but I guess it could have.
Ah HA !! A good clue.
Don't suppose you got a smell of that "oil" you drained out, did you ??

I'm betting it was about half GAS.......that leaked into the cylinder because the float wasn't closing.....and maybe STILL isn't closing.....thus explaining a WAY too rich a mixture AND why adding even MORE fuel, in the form of starting fluid, doesn't produce any result. Also betting the your plug is wet all the time.

If I'm right, you need to:
1) fix the carb. so it doesn't dump fuel into the block anymore.
2) at the first tiny sign of it actually firing, stop and change the oil (/gas mixture).
3) run it a few minutes/miles to get it hot and then CHANGE THE OIL AGAIN.
Hopefully the gas in with the oil didn't do any permanent damage but it WILL if you don't get it flushed out good.
Will add my 2 cents worth to what Easy said. Even if the oil doesn't smell like gas you might want to dump it all. New moto oil and filter. You really have no idea what the PO pour in the crankcase. Could even be 5W20 for a cage and bad news for the GZ.
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