jetting 90 xr600

Help I cant get a good answer on jetting this year of bike .I have a supertrap EAR with 8 discs and a twin filter.I only see specs for 91-.It came with a 175 which is tooo rich.I know stock is 165 ,but where do I go?

no. stock is like 155. It is pretty low down there.

I run a 70-170 but that is with cam, full exhaust and opened up intake. 68-165 is a good starting point for most.

Thanks I will give that a try.At least it will give me a baseline.

You could try adding 4 discs to your SuperCrapp, that would lean it out a bit.

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