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Bikes, Hints'n'Tips => FZS600 Fazer => Topic started by: hightower on 16 July 2013, 11:48:25 am

Title: Slight Backfire
Post by: hightower on 16 July 2013, 11:48:25 am
Since I carried out a service on the bike, it seems to me that I can hear a slight backfire when letting off the throttle. It also sounds louder since then, more gargly. I'm not sure whether it's me being paranoid or what.


On the service I changed coolant, plugs, and put a nice shiny K&N air filter on it. I have yet to do oil & filter.


Does this sound possible, or am I making things up? Maybe the service and me noticing these was a coincidence? Any help?
Title: Re: Slight Backfire
Post by: Enceladus on 16 July 2013, 12:14:59 pm
i get a slight pop and crackle when i roll off the throttle, and quite a few others do i think.
rather enjoy the sound :)

think this is the one with a rather nice crackle on it :)
shame its a bmw though  :rolleyes
http://www.youtube.com/watch?v=--VhgNxa314&feature=c4-overview&playnext=1&list=TLv3xKVwgBhVk (http://www.youtube.com/watch?v=--VhgNxa314&feature=c4-overview&playnext=1&list=TLv3xKVwgBhVk)

Title: Re: Slight Backfire
Post by: Dead Eye on 16 July 2013, 12:43:43 pm
It will be the K&N you put in

Allows the bike to breathe a bit easier and is probably causing it but its nothing to worry about, mine crackles and pops quite a lot on overrun - even my car does it a little as well
Title: Re: Slight Backfire
Post by: hightower on 16 July 2013, 02:14:20 pm
Ok, I mean, I haven't noticed a lack (or a boost) in performance. So you reckon it's normal and to sit back and enjoy the new deeper voice I have given it?
Title: Re: Slight Backfire
Post by: redthunder on 16 July 2013, 02:28:41 pm
I've a K&N filter on mine and I get the same crackle when coming off the throttle, don't think it's anything to worry about though!
Title: Re: Slight Backfire
Post by: Dead Eye on 16 July 2013, 02:55:11 pm
Ok, I mean, I haven't noticed a lack (or a boost) in performance. So you reckon it's normal and to sit back and enjoy the new deeper voice I have given it?

Yep, perfectly normal :) Enjoy it! ^^
Title: Re: Slight Backfire
Post by: hightower on 16 July 2013, 06:55:22 pm
It does sound meaty like. Oh well, thanks k and n