[tbub65]

hi everyone I'm new here and kinda new to the atv world I've got a 98 foreman 450 that I've been having issues with I finally got it running but it backfires now

 

[mud99]

Could be a timing issue. Welcome to the forums

 

[Helmut]

Welcome to the forums. Timing issue or running lean probably.

 

[tbub65]

thanks for the input I'll check it out