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SlS257 SlS257
9/24/2020 10:24 AM

I just broke in my new KX 450 on T4 gas.
1.2 hours
This is my first FI bike and Im concerned about the plug color. If this was a two stroke I'd re jet.
Do I need a cooler plug or is this normal?

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40acres 40acres
9/24/2020 10:56 AM

Pretty normal. There is no oil in your combustion chamber like a 2 stroke, one would hope.

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Paw Paw Paw Paw
9/24/2020 2:11 PM

Looks good to me.

Paw Paw

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SlS257 SlS257
9/24/2020 2:43 PM

Thanks!

So with these bikes am I looking at the ground electrode, with is brown and the bottom of the threads with is black?
Or is white just good now? Cant find much explaining this.

Thanks again

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40acres 40acres
9/24/2020 2:46 PM

How do the plugs look on your car?

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