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Message started by Probert31 on 09/18/06 at 15:08:15

Title: Please HELP.. In middle of mod...
Post by Probert31 on 09/18/06 at 15:08:15

Just to keep it short and sweet..

I'm in the middle of the white spacer mod. I've put the needle assembly back together. Is the needle supposed to move? Mine is stationary. Prob a stupid question but this is about as handy as I've ever gotten.

Title: Re: Please HELP.. In middle of mod...
Post by Probert31 on 09/18/06 at 15:41:23

I think I got my answer from the Carb Theory 101 PDF. It seems from that reading that it is just the taper of the needle that effects the ammount of gas that can be drawn in.

Title: Re: Please HELP.. In middle of mod...
Post by vroom1776 on 09/18/06 at 16:30:14

Yes it should. It should be firmly attached to the whole slide (at the bottom), which should also be able to move freely.

Title: Re: Please HELP.. In middle of mod...
Post by Brewbrother on 09/18/06 at 16:31:11

Probert31 wrote:

Did you put the small spring back in the needle assembly??

Title: Re: Please HELP.. In middle of mod...
Post by Dynobob on 09/18/06 at 17:25:04

Check the carb pictures in the Tech Section here. Very helpful.

Title: Re: Please HELP.. In middle of mod...
Post by Probert31 on 09/18/06 at 18:18:48

I assembled the needle assembly as shown in the tech diagrams. After I tightened down the two screws on the plate that holds the needle in, the needle did not move. The spring is under it but there really isn't much motion anymore. I replaced the white spacer with two brass washers. When I tested the needle in the white spacer, it was tight enough that there wasn't any give there either. I am having problems, as I already put it back in. The bike runs fine with the choke out, but stalls at 1/4 throttle with it in. It gets worse as the bike heats up. I just figured I had to tune it better. Just to make sure we're all talking about the same thing, the needle has a spring, washer, clip, then the white spacer on it. I put this into the hole on the diaphragm assembly then screw it down with the little brass plate and brass Screws. At this point, there wasn't much "up and down" give on the needle itself. I remember taking it apart and having it move in and out of the assembly but I figured that was because I had loosened the screws. So, the needle should move freely in and out of the diaphragm assembly under the brass plate holding it in??

Title: Re: Please HELP.. In middle of mod...
Post by Probert31 on 09/18/06 at 21:16:16

I gotcha now. Switched out the brass washers for the "shaved" spacer and it moves freely. Thanks!!! I would have spent days trying to tune it!!!