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If i put a full system pipe on my crf 230 dirt bike do i have to rejet it?


If i put a full system pipe on my crf 230 dirt bike do i have to rejet it?

In a region of polluted air-Jet leaner. In a region of fresher air-Jet richer.You may need to rejet if the new exhaust gets more power and it runs leaner. Source(s): OLd MXer
Ummm pretty much, yes you do. If you put a full system on it.
if you redo your exhaust you most definitely need to re jet..you will be getting more air so you'll need more fuel..if you don't you'll melt your motor altitude and a lot of other things play a major role in the jet sizes pollution is not one of them take it to a professional if you like your machine

Motorcycle Mechanics Inst. Grad here
As a rule, most bikes these days are delivered lean. Adding a free flowing exhaust will let the engine breath better, so you'll be moving more air through the engine.

Makes since that it will need more fuel to burn as well doesn't it?
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