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Barrett mufflers 04 FS 650

Joined May 2014
115 Posts | 23+
Tassie
Question if any one running one of Barrett muffler

She pops & backfire going down gears ,
Just wondering if possible any body in Australia running one. May happen to know best starting point for the carby setting , by any chance

As I believe needle has been adjusted since Barret muffler is fitted I don't know much about these mufflers or carby itself

Sound lean as backfire alittle going down gears & letting off throttle & it's hold revs alittle going through gears

Looks so needle coded OBEKR has been lifted
End muffler cap is black , looks so getting plenty of fuel ?

Header all seal up & pipe
Can only try do again wif muffler but I'm sure that's not 100% reason

My 08 650 muffler is straight through never touch setting runs sweet

Much appreciated any ideas I could looked at why I'm at it

I know should able run abit sweeter , even thou I'm selling it (things could change as I'm unsure atm)
just like to be 100% right

Thnxs
Guys
 

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