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Date: Wed, 13 Sep 2000 06:47:56
Subject: Re: Spark plug suggestions?
From: Sycho Racer
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>Hi all.
> >I have a Derbi Predator O2 (unrestricted, around 7hp), and my spark plug
>constantly gets clogged with soot.
>
----The plug is just representing the conditions of combustion. I believe
you're running too rich (too much fuel). Either jet down one size on the
carb or...run more air (ram air system or a high perfomance freer flowing
air filter).

>Derbi recommends in the manual that a NGK B8HS (Bosch W3AC, Champion L82C)
>is to be used as spark plug, and that's what I am using.
> >Now, could it be due to the spark plug being too cold, that I get the
>sooting? Should I try something warmer? Risks?
> >Thanks!
> >/Goran

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