Re: NU50 Ran around the block too lean

Chris . /
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what kit was on there? stock urban cylinders don't have the decomp passage. see the oily circle on the bottom left corner of the head mating surface, you gotta plug that on the cylinder or you can get a head gasket airleak. 90ish with stock airbox, 95 for the hi flow filter should be a good starting point.

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