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Tech Information => General Help => Topic started by: bryan_damone on January 06, 2013, 07:11:47 PM

Title: Occasional backfire
Post by: bryan_damone on January 06, 2013, 07:11:47 PM
So I have been out on my 440 invader for the first time since resealing and giving all systems a good inspection during the non-winter of 2012.

After taking it easy until warming up, I would get on the throttle and everything would seam as it should, but sometimes when coming of the throttle suddenly at the end of the yard to make a turn, it would sometimes backfire.

Running stock carbs, jetting, airbox. Exhaust is all intact.

What are your thoughts on this?
Title: Re: Occasional backfire
Post by: Trucker on January 06, 2013, 07:18:13 PM
I had that happen once and it was a bad connection to the cdi
Title: Re: Occasional backfire
Post by: mswyka on January 07, 2013, 11:19:20 AM
Every time one of our sleds would backfire we had a crank seal issue.
Title: Re: Occasional backfire
Post by: bryan_damone on January 08, 2013, 11:43:27 AM
I had that happen once and it was a bad connection to the cdi

This is promising. I just found that the lighting coil connections were loose (lost lights), so it makes sense that I may have other loose connections in that area. I will recheck all connections from stator.