fluent with jetting, noob with needle types... need help asap!

[justinkk2005]

Setup:

Noss/F.A.S.T Cool Head w/ 20cc domes

Port Cleanup

.10 Over Bore

Stock Crank

VF3's

T5's

28mm PWK's

+4 Timing

Main Jet: 158, Pilot 52

Needle: JJH

5th Position (richest)

1-1/2 turns out air screw

 

800 - 1300 ft elevation

 

Hey Guys, I recently got two pwk's off of a cr 85 and a kx 85. They both had a different needle so I emailed Carb Warehouse (which charged me $7 to ship, and it only cost him $4.50 using a flat rate envelope and charged me $25 for 2 needles shipped which I find odd) and he told me to use JJH Needles.

 

I put the needles in and had the clip on the 3rd position and it ran like shit, I mean I set the idling down all the way and it still ran almost wide open it was so lean. I then moved the clip to the 5th position and it then idled decent but sounded VERY lean while doing so. I know that a 52 pilot is sort of large for my setup and so is the main so i wouldn't think it was my jetting. I rode it and 1/4-1/2 throttle it pulled awesome (probaly due to the leaner condition) and wide open throttle it felt like it lost it's power. It ran better with the two different needles from the dirtbikes.

 

Any suggestions?

[gotta_goatsfast]

Since your needle really doesn't affect the idle, I would do a leakdown test to ensure that the motor isn't drawing air from anywhere except the carbs. I found that running a CEL needle worked best for me. I used them on both my 35 PWKs now and the 30mm OKO (keihin clones) I had.

[justinkk2005]

Since your needle really doesn't affect the idle, I would do a leakdown test to ensure that the motor isn't drawing air from anywhere except the carbs. I found that running a CEL needle worked best for me. I used them on both my 35 PWKs now and the 30mm OKO (keihin clones) I had.

 

The needles did make a difference man, it was a huge difference going from the 3rd to the 5th, but i mean it was still running leaning