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Old 09-12-2010, 04:02 PM
sellouma sellouma is offline
Motorized Bicycle Member
Join Date: Jan 2010
Location: New York
Posts: 39
Default Re: Take a look at this, and tell me what you think

Originally Posted by scotto- View Post
It looks as though you been running it very rich, as in oil to gas ratio. What mixture and what type or brand of oil? Can't tell for sure but it looks as if the stuck ring could be just gummed up with burn't oil. Is that also rust I see in some of the pics? It really looks gummed up for that low of mileage.
you could be right about the rust, cause I left my motorized bicycle outside in the rain for about a week!!!
it just amazes me how it got there!!
I used a motorcraft 2 stoke engine oil from the " Dome Hepot" store.
the oil to gas ratio that i have used for the first time was 16:1 for about 2 galons and I switched to 24:1 as people were advicing in the forum.last month i switched to synthetic (see picture), i got it from the same store, oil to gas ratio is 50:1.
I must say the engine became smoother and faster as started using 89 gasoline.
now i am trying to open the bottom end of the engine to see if i need to replace the needle bearing in the shaft, but i can't unscrew the bolt whitout stripping it.(see picture).
do i need to get rid of the rust that's in the crank or it doesn't affect the fonction of the engine?
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