Honda ATV Forum banner

1 - 5 of 5 Posts

·
Registered
Joined
·
2 Posts
Discussion Starter · #1 ·
I have an 04 trx400ex that is backfiring, changed plug, checked valves, cleaned filter. need help!
 

·
Super Moderator
Joined
·
18,228 Posts
Welcome to the forums....Back firing how? when you hit the throttle? or when you let off of it? improper jetting will cause back firing... ie too small of a slowjet after modifications have been done, also a leaking exhaust system will cause a back fire.
 

·
Registered
Joined
·
3,572 Posts
Agreed ^^^!! Welcome to the forums.
 

·
Premium Member
Joined
·
23,581 Posts
Welcome to the forums. I also agree with Moose.
 
1 - 5 of 5 Posts
Top