carb jetting

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Mar 7, 2010 | 08:36 PM

tspierce

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carb jetting

What's good jetting for a 1989 evo fxsts with k&n filter and 2 1/4 drag pipes in Texas? Looking for a good starting point. I also do not know what stock jetting is.

Mar 7, 2010 | 09:32 PM

gsxrboy96

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Quote:

Originally Posted by tspierce

What's good jetting for a 1989 evo fxsts with k&n filter and 2 1/4 drag pipes in Texas? Looking for a good starting point. I also do not know what stock jetting is.

Im thinking thats a cv carb, to get you ball park, use a 46 pilot, 180-85 main, and you may need to shim the stock needle, chad.

Mar 10, 2010 | 05:15 PM

tspierce

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Thanks for the response! It's not the cv carb. They put cv's on them the following year.

Mar 10, 2010 | 06:09 PM

Indian

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In the process of doin the same on my 84 evo. The local HD shop told me 50 on low speed jet, 175 on main was stock setup. You will want to go bigger to run the pipes. Make sure your timing's right it can save you some headache when adjusting carb.