November 18th, 2012, 11:49 AM
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#2466
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ninjette.org certified postwhore
Name: Morgan
Location: A city twinned with Kawasaki
Join Date: Nov 2011
Motorcycle(s): '08 Ninja 250, 2010 STR 675
Posts: A lot.
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Quote:
Originally Posted by choneofakind
Doesn't matter.That map is meant for the stock set-up. Don't change the set-up until you can change the map. You're always better to be a little rich vs being a little lean, because running a rich (not stupid rich) mixture runs cooler exhaust temps, and cooler valve temps as well. Pulling the snorkel makes you run a little less rich.
The reason carb'd bikes can pull the snorkel and shim the needles without changing main jets is because the main jets are stupid rich, and all that usually has to be done is raise the needles with some washers.
Your mixture is well controlled with the FI, but it doesn't have O2 sensors and cannot adjust to changes in the intake/exhaust. Adding more air just means you're leaning it everywhere.
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The 300 doesn't have an O2 sensor 
The FI 250 had 
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