i have taken off the tors i have spark but cant get fuel i take out the plug and it doesnt smell like gas realy not wet it is a brand new rebuil topand lower end there is no timing on stock motors is there i am at a loss it sputtered once and smoke came out the air filter like a back fire maybe its not even trying to start from what i can tell any suggestions also is there a way to get out the main jet its a 2000 blaster