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post #1 of 16 Old September 25th, 2011, 08:56 PM Thread Starter
 
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2006 brute 750

i have a 06 brute force 750...no mods...101 hrs....200 miles and the things is popping thur the air box...just had the values adjusted by dealer and nothing changed.....please help...what can i do to fix this problem...also what octane is best?
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post #2 of 16 Old September 25th, 2011, 09:28 PM
 
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i have a 06 brute force 750...no mods...101 hrs....200 miles and the things is popping thur the air box...just had the values adjusted by dealer and nothing changed.....please help...what can i do to fix this problem...also what octane is best?

Pull the pilot jets out (not the main jets) and blow them out with compressed air. This should fix your problem. If it doesn't, you need to adjust your valves. The lash on the intake valves is too tight. Stock kawie intake valves wear out pretty quick unfortunately and start sinking. I pull them out all the time and they are so sharp (wore out) they will cut you.
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post #3 of 16 Old September 25th, 2011, 09:44 PM Thread Starter
 
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thxs bigkev...just got the bike back from the shop...they adjusted the values and wanted 200.00 to do the carbs....ive already pulled the carbs and cleaned them....the bike has never been dogged .....bought it from a 60 yr old guy that sold it cause he was getting to old....lol....im running 93 octane in it and havent even ran a full tank thur it...im going to busco beach next week with friends to a week long camp out and riding.....i hope riding it with the popping wont hurt it?....im just out of things to do to help fix this problem...people ive talked too tell me that 06 brute force 750 will always have a slight pop to them....
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post #4 of 16 Old September 25th, 2011, 10:29 PM
 
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thxs bigkev...just got the bike back from the shop...they adjusted the values and wanted 200.00 to do the carbs....ive already pulled the carbs and cleaned them....the bike has never been dogged .....bought it from a 60 yr old guy that sold it cause he was getting to old....lol....im running 93 octane in it and havent even ran a full tank thur it...im going to busco beach next week with friends to a week long camp out and riding.....i hope riding it with the popping wont hurt it?....im just out of things to do to help fix this problem...people ive talked too tell me that 06 brute force 750 will always have a slight pop to them....

No problem foxhill.

I've never seen a brute that just popped thru the carbs and couldn't be fixed by either a correct valve lash adjustment, or by pulling the pilots out and cleaning them thoroughly. There are other things that will make it pop, but if it runs good once you are on the throttle it would have to be one of the two I listed above. We get Brute's, Prairie's, and V-Forces in all the time with this problem.

Not sure how you cleaned the carbs, but just pulling the bowls off and spraying carb cleaner in them won't get your pilot jets clean if they have dirt or varnish in them. They need to be pulled out and cleaned. If its been sitting for a while, I would recomend flushing your fuel tank also. Gas isn't as good as it used to be these days.

Hope you get it figured out.

Kev
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post #5 of 16 Old September 25th, 2011, 10:54 PM Thread Starter
 
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bigkev...i just hope riding it like this wont hurt it cause im getting down to the wire and dont want to pass a trip to busco beach up....lol, but when i get back im going to tear into more....thxs
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post #6 of 16 Old September 26th, 2011, 03:45 PM
 
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No problem foxhill.

If its been sitting for a while, I would recomend flushing your fuel tank also. Gas isn't as good as it used to be these days.


Kev
We've seen enough of that...
'Bout tired of pulling tanks.
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post #7 of 16 Old September 26th, 2011, 08:56 PM Thread Starter
 
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I pulled the air filter off today along with the screen and I saw when it spit and sputter a mist of gas was coming out the back carb ....and quick fix to this?
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post #8 of 16 Old September 26th, 2011, 09:07 PM Thread Starter
 
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It only sputters and pops in the back carb the front one seems to be doing fine...im stumped
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post #9 of 16 Old September 26th, 2011, 09:19 PM
 
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It only sputters and pops in the back carb the front one seems to be doing fine...im stumped
First, check the valve settings. If they have been held open becsuse they are too tight, you may have burned seats by now...but check anyway. The other thing that can cause that is the float level being too high. Also a bad or broken valve spring.

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post #10 of 16 Old September 26th, 2011, 10:13 PM
 
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It can hurt you to ride like that if its the valve's. And I know you said the dealer just adjusted them but that doesn't mean they were done right. If its popping pretty good and you go on a weekend ride I"ll about bet you will need a valve job when you get back.

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