Hey i bought a scooter and it worked fine for about 3 days then when i started it the tickover was fine but asoon as i accelarated it started to bog and died down, alot of people on this website said change your sprak plug, clean your carb, check your air filter.
i changed my sparkplug i cleaned my carb i checked my air filter. and now the bike wont start atall :( but i dont fink its a major because its only 2009 model can somebody help me pleaseeeeeeeeeeee!

azza, March 2010

oki would go for the valve clearances check mate these chinese 50cc 4 stroke engines tend to have a problem with the valves recessing in the head a bit and the exhaust valve especailly tightens up and then holds open on the compression stroke when it should be closed.set them to .50 on the inlet valve and .80 on the exhaust when its cold and on top dead centre on the compression stroke.

adam bike doctor, March 2010

Its a longjia lj50qtk and thanks mate

azza, March 2010

we need to know the make and model to try and help you out with it azza

adam bike doctor, March 2010