Dynojet - Kawasaki Ninja 250R Forum
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post #1 of 2 (permalink) Old 03-24-2011, 03:43 PM Thread Starter
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BlackMamba's Avatar
Join Date: Mar 2011
Location: Norway
Posts: 2

What exactly does it do? Dunno what it is but heard lots of people who got the slip on/ full exhaust system install this aswell.
Anyone got any experience with it?
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post #2 of 2 (permalink) Old 03-25-2011, 12:04 PM
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Join Date: Jul 2008
Location: Unknown
Posts: 594
Since your in Norway I assume your bike is fuel injected. Jetting is for carbureted bikes. You would need fuel mapping.

Jetting/mapping adjusts fuel for horsepower or gas economy, etc..

In a nutshell when changing an exhaust system or intake you are making the bike breath more therefore leaning out the air/fuel ratio. You change the jets on the carburetor or in your case change the fuel map to combat this.

Generally bikes come out of the factory lean for emissions purposes. That's why a person would jet/map a stock bike.


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