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Turbocharged, Supercharged, and Hotrod Motorcycles: Re: [turbobike] jetting question

Re: [turbobike] jetting question

Rick (gsxr1100@ptw.com)
Wed, 1 Jul 1998 22:29:22 -0700

How are you getting fuel to the carbs?
How many psi?
are you using a boost compensating pressure regulator?
are you pressurizing the float bowls?

Turbo Rick
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300HP Turbo GSXR1100
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>Hey all,
>I am in the process of jetting my 94 ZX9 that I have jus installed a
>turbo-system on and I need some help.
>With an epoxy head,full Muzzy pipe and jet kit we ended up at 215 main
>Now I have added the turbo and a 950 kit with the compression set at 9.5-1
>am having problems getting the jetting right.
>The bike has a slight stumble off idle then clears up and runs decent until
>approx 4500 rpms then it jus dies.I pulled a plug and the electrode and
>are a really light shade of grey.Is this mainly indicative of a lean
>I tried a set of jets drilled to 275 and a set drilled to 245 and both sets
>ran the same as above.
>Anyone have any suggestions?