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Old 06-29-2012, 05:28 AM   #15
mudmantra OP
Gnarly Adventurer
Joined: Jul 2009
Location: Humboldt
Oddometer: 347
Originally Posted by anotherguy View Post
45 pilot/40 if really hot out,1 to 2 turns on mixture screw(yeah it's that finicky,or is it me?),stock slide,Q-0 needle jet,6F8 needle,400 main. I run a DG National pipe and a Uni filter in the stock airbox. I ride from 500 to 2000 feet above sea level.

That's for premium E10 pump gas,I fatten the needle up a click or two and raise the main for VP U 4.4 race fuel. It isn't cheap but the bike runs so much better and consistent with it the money is of little concern.
Also, I forgot to ask. Are you using the stock YZ465 carburetor? I'm thinking it might be a good idea for me to replace the needle jet and needle on my 1980 YZ465 carburetor.
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