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Old 04-09-2009, 10:48 PM
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Sydneysider Sydneysider is offline
Motorized Bicycle Elite Member
Join Date: Mar 2009
Location: Sydney
Posts: 189
Default Re: Compression after 9 Months

Not sure but I think it seems it may be just a lean mixture issue..if its not air leaks it might be a blocked carby jet. Sometimes a bit of dirt may get inside the carby and block the main jet causing a lean mixture, can be fixed simply by cleaning the carby with a strong cleaner. Also the nuts connecting on the inlet of cylinder I find they get loose alot so they always have to be fairly tight.. I would try a richer mixture to see if it changes things...
"....dunno what I did to my engine the other day but now my rear tyre wears out real quickly..."

Last edited by Sydneysider; 04-09-2009 at 10:56 PM.
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