My Honda Sky 50cc won't go any quicker than 25mph.
I have cleaned the carb jets, changed the spark, checked that the washer between the pulleys on the variatpor has gone ... but no quicker!
im not to sure about the sky but on most 50cc bikes there is what looks like a little metal block about 6cm x 4cm which is a restrictor on the exhaust pipe cut this off and either weld or clamp shut the hole where this was or you can buy lightweight rollers
hope that helps m8
deighton
February 2008
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