Hi, i was wondering if you could suggest what I should gap my plug at on the Apollo? The NGK they sent is about .020 in. and it seems to pop out of the exhaust at idle. Maybe that's normal, I've never had a 4 stroke before. Also, after my buddy came over and we set the valves to. 008 the bike would still die after warming up. The other day I did my first solo valve adjustment and on your advise I set them at .004 and now it idles perfect and doesn't die, thanks for that advice. Its just that popping sound every few seconds I'm wondering about. Thanks a whole lot for help.