Hey guys.... I'm a bit puzzled cause my 2000 400ex started for a couple of min so the oil could cycle throw so I can get a puper readin then the bike stalled ( didn't think nothin of er I thought it was a bit cold still) and now she's not even kickin but it's Rollin over I have changed the plug to a old but still good plug and I have not checked the spark yet... I'm no bike wiz ether any ideas