Quote:
Originally Posted by Mojavemesa
Bill, are you running a high flow filter? If so do you recall what you jetted it at?
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Stock, with a drop-in K&N and the "
FOG airbox mod" (adding a 1" hole to the left cover to lean out the top end a bit, since it's rich from the factory) and pilot screws adjusted to match (since the bottom end is lean from the factory, and the FOG mod makes it even worse).
My first guess is that the lack of an airbox (and therefore volume for the CV carbs) is affecting the fueling. It's a pretty common EX500 issue when people decide they want to get rid of the airbox. One guy ended up making an H-shaped "airbox" out of PVC to add some volume back into the intake system.