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tad69

WR450F Needle selection???

4 posts in this topic

Is there anyone here that is using an EMM needle? Can you post jetting specs please?

Thanks, :)

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I am using an EMN in the 5 slot and a 40 pilot jet it has good response I tried

the 48 and 45 pilot jet but it killed my bottom end about 800 ft above sea level

stock pilot air jet a160 main jet.

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Thanks for the reply. What starter and main are you running?Are you using an adjustable pilot air screw?

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My specs below in my signature were good for the Stroker Exhaust System at 1000-3000 feet. It ripped. Got caught by the cops with aftermarket LOUD Stroker and had to replace with the stock can. My specs now:

PJ 35, PAJ A little more, Main Jet 150 and EMM Clip 1 (Top) with my Stock euro can. So far so good but havent really tested it.

But then mine is a WR400 1998!!!

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