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-   -   Noise coming from exhaust (stuttering) (http://forums.sv650.org/showthread.php?t=112463)

ihitge 20-06-08 08:38 AM
Noise coming from exhaust (stuttering)
 
Hi All,

I need some help please...

When a started my bike (SV650s '99) this morning there was a funny popping sound coming from the exhaust. It sounded like it was backfiring but it was not very loud but pretty frequent. There was a lack of power and it felt like it was struggling with fuel circulation (for lack of a better phrase).

Any ideas?

Thanks in advance,
Ian

ThEGr33k 20-06-08 08:52 AM
Re: Noise coming from exhaust (stuttering)
 
Water in the spark plug?

Peetee650 20-06-08 09:03 AM
Re: Noise coming from exhaust (stuttering)
 
or water in the fuel:(

plowsie 20-06-08 10:11 AM
Re: Noise coming from exhaust (stuttering)
 
How long since you last used it, was it raining last time you were out?

Maybe a bad dose of fuel, remember, places were running low lately on everything, maybe you got the last cacky bit at a station...

First port of call would be the spark plug, make sure there is no water around there.

Is it a stuttering through revs when you say lack of power?

Dangerous Dave 20-06-08 12:08 PM
Re: Noise coming from exhaust (stuttering)
 
Sounds like it is running on one cylinder every now and again, check the spark plugs for starters!

chasey 20-06-08 12:10 PM
Re: Noise coming from exhaust (stuttering)
 
Mine does this when I start it. Goes away once everything gets upto temperature. I just thought it was because she was cold? :S

Dangerous Dave 20-06-08 12:14 PM
Re: Noise coming from exhaust (stuttering)
 
Quote:
Originally Posted by chasey (Post 1543636)
Mine does this when I start it.
With or without choke, and does it stop when the choke is disengaged?

chasey 20-06-08 12:20 PM
Re: Noise coming from exhaust (stuttering)
 
Quote:
Originally Posted by Dangerous Dave (Post 1543641)
With or without choke, and does it stop when the choke is disengaged?
Only when I give it some choke. Just over-fueling or something?

Dangerous Dave 20-06-08 05:20 PM
Re: Noise coming from exhaust (stuttering)
 
Quote:
Originally Posted by chasey (Post 1543645)
Only when I give it some choke. Just over-fueling or something?
Lube your choke cable and have a look at the choke/carb system.

sv_rider1990 20-06-08 08:05 PM
Re: Noise coming from exhaust (stuttering)
 
Carbs mine did until i got them balnaced to the exhuast


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