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Premium Member
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Discussion Starter · #1 ·
Hello all.

for some time i tried to find videos or some pages with HOW TO on the synchronization between the cylinders on monsters with carb or injection.

I have a monster 620 IE 2005 and the vert cyl spark is ok, but the horizontal one is black. I switched them and same issue, the black one cleaned itself in the vertical cyl, the clean one got black in the horizontal cylinder. I think that somehow the mixture in the horizontal cyl is richer than in the other one.
How can i fix this?

Also can someone point me a step by step carb sync procedure ?

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