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General Category >> Rubber Side Down! >> Carburator rejetting
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Message started by Flugondus on 11/14/06 at 20:42:35

Title: Carburator rejetting
Post by Flugondus on 11/14/06 at 20:42:35

Allright i finally decided im gonna rejet my stock s40.
ad now i was wondering what rejetting actually does. I`m not looking for more horsepower and what soever. I`m looking for a bike that runs leaner and a little better. So i would like the information on what rejetting can do for me and how i do it.
Thanks fellow riders

Title: Re: Carburator rejetting
Post by 911radioman on 11/14/06 at 20:59:16

If you are stock right now, any jetting you do will only serve to richen you up. If you're wanting leaner, I wouldn't want to be any leaner than the stock setup. Jetting higher will only unlock more horsepower if you open up the exhaust. Jetting alone will only richen you up and make your bike drink more gas unless you balance out the exhaust to match the jetting.

Title: Re: Carburator rejetting
Post by barry68v10 on 11/15/06 at 16:52:18

I'm currently running stock jetting with stock intake/exhaust and getting 60 mpg. I don't think you can beat that regardless of setup. However, I have surging at cruising speed which indicates "excessive leaness." I'll be putting on a GSXR600 muffler and doing the "white spacer mod" soon... Don't exect MPG to drop below 58 MPG...