Back Firing on bruin what is the cause..?

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Dec 4, 2004 | 05:10 PM

bruin2112

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Weekend Warrior

Joined: Nov 2004

Posts: 21

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Back Firing on bruin what is the cause..?

I was going along at 70 km or so and it started to bog and then backfired. WHat could be the reason for this.

Thanks Derek

Dec 4, 2004 | 08:24 PM

YFZ660R

Pro Rider
To ATV Thieves: "Hope you guys flip and die douches!"

Joined: Aug 2004

Posts: 1,484

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From: Texas

Back Firing on bruin what is the cause..?

It may be that you are running real lean, you may have to adjust ysour jetting.

Dec 4, 2004 | 08:32 PM

TrailBlazerguy250

Extreme Pro Rider

Joined: Jun 2003

Posts: 3,503

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Back Firing on bruin what is the cause..?

my buddies SP 700 was gettin to much air, from somthing in the airbox sliding , could be that .i dunno

Dec 5, 2004 | 02:47 AM

VelociRaptor350

Pro Rider

Joined: Oct 2004

Posts: 1,356

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Back Firing on bruin what is the cause..?

Was is a backfire through the exhaust or did it come up through the intake?

Mar 15, 2005 | 11:37 PM

Grubes

Trailblazer

Joined: Feb 2004

Posts: 34

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Back Firing on bruin what is the cause..?

It could be the valve timing or the carb adjustment. My raptor did it befor i had it taken in for a tuneup. The same for my bruin.

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