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Old April 14th, 2014, 07:04 AM   #117
DaBlue1
Long Time Rider
 
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Name: Blue
Location: Charlotte, NC
Join Date: Sep 2010

Motorcycle(s): 2009 Kawasaki Ninja 250R

Posts: A lot.
Quote:
Originally Posted by cadd View Post
....What do these two scenarios tell you guys about the bike?
Your mpg is improving. The gas you're using may not be good for your bike (not burning well) and it is not uncommon to need a little choke even after the bike has been run a then cools off a few minutes. Every bike is different.

IMHO I believe you can improve your spark efficiency and AFR by switching to Iridium Plugs and a better breathing filter, if you believe your stock setup is too rich.

I recall you saying most of your trips were about 5 miles one way. After the 5 mile trip what do you do with the bike? Does it sit outside in the sun for hrs? or is it inside? Do you use the same gas station/same brand every fill up?

One thing I found out is that there are a couple of counties in NJ that don't have RFG (reformulated gas) or at least they don't fall under the EPA mandate. Ever bought gas in Warren County? Could be something to do, experiment with different brand gas.
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