Backfire

[dirttrack71]

Quad runs good, idles good, but if you are sitting there and you are in neutral and you rev it up and let off and rev again it will backfire pretty bad. I cleaned the carb and adjusted the valves. Any sugestions?

[tcr0148]

this should answer most of your question/concerns


http://www.planetminis.com/chinese-import-minis/40342-pitster-pro-started-backfiring.htm?highlight=backfiring