Thread: I am a bit confused.
08-16-2011, 02:10 AM #1
I am a bit confused.
I just read a post and of course this is a stupid, stupid question. My MAG piston is solid black, the CEN is a little black but it is not covered. The PTO - being replaced - has a hole in it and it is Completely aluminiom and has NO black on it at all.
Little confused here, but I am almost positive that I am running lean. I thought that if you were all black on the piston head you were running rich.
The post I read said I was running rich. Therefor it lead me to this post.
Thanks to all help, Carson.
08-16-2011, 07:27 AM #2
Do a search for "Piston wash" It has been covered extensively
08-16-2011, 07:39 AM #3
- Join Date
- Jun 2010
- Milwaukee WI
Generally the more black a piston top is, the leaner you are running. You are looking for clean spots on the top of the piston. The larger the clean spot, the richer you are running.
08-16-2011, 07:44 AM #4
08-16-2011, 02:13 PM #5
Ok and tuning the carburetors will help this, correct? I have the 3-outlet fuel pump.
08-17-2011, 06:24 AM #6
If it burned down with the old fuel pump you are probably in the clear.
This link explains alot,
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