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Old 06-29-2007, 03:31 PM   #1 (permalink)
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Smile My suzuki s-40

Hi everybody, my name is Dave and I am a newbie at this site. I hope somebody will be able to help me with my s-40. Ever since I bought it it has backfired, Iv'e gotten into it with the dealer that sold me the bike about the backfiring. They tell me that thats the way it is. Needless to say I don't believe them. There has to be a way to make it stop. I love the bike alot, it's fun around town and looks nice. But I get dirty looks from people when it backfires.( it's LOUD) Does anyone know what I should do to fix it? I can do the work myself I just need to know what size jets to use or ?? It may need.
I'm in San Diego at almost sea level. I know that matters when tunning.
Can anyone help?

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Old 06-29-2007, 04:12 PM   #2 (permalink)
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Could be a few things. Try the seach engine there are a lot of helpful threads on the subjet.

and Welocome to the site
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Old 06-29-2007, 04:56 PM   #3 (permalink)
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That backfire is just a characteristic of the bike as your dealer said. My wife's S40 does it, and after reading all the threads here concerning the backfire on the S40/650 Savage, I know it is nothing to be worried about.
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Old 06-29-2007, 05:25 PM   #4 (permalink)
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Quote:
Originally Posted by robertc729 View Post
That backfire is just a characteristic of the bike as your dealer said. My wife's S40 does it, and after reading all the threads here concerning the backfire on the S40/650 Savage, I know it is nothing to be worried about.
That depends upon who is doing the worrying!

True that stock they (almost) all do it and that it isn't really hurting anything BUT.........
It can be fixed, maybe just with a pilot jet adjustment. Calif. models may be a little tougher.

Keep searching; the answer IS out there (but since I don't have one, I can't remember where).
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Old 06-30-2007, 04:25 PM   #5 (permalink)
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Hey there!
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Old 06-30-2007, 04:47 PM   #6 (permalink)
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Quote:
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That depends upon who is doing the worrying!
Very true. Her biggest complaint about the exhaust is the sound she gets from it. Christmas shopping just got a whole lot easier.

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Old 06-30-2007, 04:48 PM   #7 (permalink)
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Welcome!
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Old 06-30-2007, 11:34 PM   #8 (permalink)
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Dave!
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