I have a Tao db14 110cc pit bike When I’m riding the dirt bike my first second gears run smooth but when I switch the third or fourth the engine starts making a sound like the chain is hitting something or somethings going inside going on inside the gearbox I have no idea what it is and don’t...
So I have a Tao db14 110cc pit bike When I ride the bike in for the second gear everything is normal but when I switch to third or fourth the engine starts making a rattling sound like the chain is hitting some type of metal or gears or grinding or slipping I have no idea and any advice would help