my mini motor is just not starting have tried checking spark plug it seems ok blew up and down pipes to clesr them sprayed with wd40 still no joy any other usefull hints would be apreciate any good feed back think its either a 47cc or 49cc hand built so not sure of make and model looks like a tiny version of a grand prix bike

lucy, June 2010

try putting some petrol on a rag and take the airfilter off and put the rag into the back of the carb pull it a few times on the cord and see if it fires,if it does then its a fueeling problem which is the most likeley scenario anyway.

adam bike doctor, June 2010