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Re-Carbed

Posted 29/5/2016 8:59 PM (#722158)
Subject: Spark plug confusion.

Member

Posts: 67

The spark plugs in my 1118cc are confusing. If you look at the end of the plug, one side of it is a bit sooty - an indication of too rich, but the other side is light brown which shows that my carb mixture is about right. Are all of these engines like this?

ginger9860

Posted 1/6/2016 12:20 PM (#722177 - in reply to #722158)
Subject: RE: Spark plug confusion.

Member

Posts: 72

I dont have experience with these engines unfortunately but I have some Carb experience.

If unsure if the mixture is correct , I have used a colortune kit in the past. That would confirm if you have a good or bad mixture.

Is the Carb an SU carb?

Re-Carbed

Posted 2/6/2016 8:31 AM (#722185 - in reply to #722177)
Subject: RE: Spark plug confusion.

Member

Posts: 67

ginger9860 - 1/6/2016 12:20 PM

I dont have experience with these engines unfortunately but I have some Carb experience.

If unsure if the mixture is correct , I have used a colortune kit in the past. That would confirm if you have a good or bad mixture.

Is the Carb an SU carb?

It is an SU HIF38 carb.

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