Hi and welcome to FixYa,
Sounds like a very lean mix; confirm by checking the sparkplug tips. If the burn is very light brown to almost whitish, then it would be lean - too much air, too little fuel. Check for an air leak in the air filter box/enclosure. This would also happen if the air filter has been replaced with an aftermarket free breather (like K & Ns) or the exhaust has been replaced and no jettings done.
Postback results of initial checks.
Good luck and thank you for asking FixYa.
SOURCE: 1996 Suzuki Savage 650 backfires on cutoff
I had the same prob with my 97, It was not the head gasket but the O-ring on top of the head. Replaced the O-ring and has been running good for a year now with no backfire. Hope this helps.
2,488 views
Usually answered in minutes!
×