ok just did a cold start of my blaster.hasnt been started for 3 weeks. took about 6 kicks with full choke to start. very unusal/ usualy starts on 2 kicks with half choke fnallyit does start it smokes ALOT more than it should and smell ike something is burning.i mean smokes goes everywhere. then it dies on its own. will try to get a video. just put a BRAND NEW spark plug in to. do i need to get the top end rebuilt?