I have 00 400ex can anyone who put a jetkit in there 400 can they remember whether or not it had a spacer under the clip on the needle the little washer that goes under the clip do they come on there stock and where does the air mixture setting come stock how many turns out your help is greatly appreciated.

 

I have mine at 1 1/2 turns out (with a 150 jet) dont know what your talking about with the washer and stufff though.

 

I'll Check a manual at work tommorow and get back to you I know what your talking about but not sure if the washer is there or not on the 400ex

 

There is no washer under the clip on the stock 400EX carb.

 

The stock idle air is 3.5 turns out. The washer was not on mine but is usually good for a 1/2 clip spacer. The higher the needle the richer off idle on the bottom.