Had my sts for a month now its been great but then the one way started to slip cleaned it then regreased it then it was ok now its coming back it still start but takes abit i did what i did before but no luck and the pull start got seized up so i had to take it apart and its very hard putting it back together well i thought and when i tried putting it back the coil snapped and this has happend to me twice,also if i tighten the pull start screws too tight it wont pull i have to leave them loose,Can any one help??