OK, I had no trouble getting the mixture screws out. I drilled the plug,
inserted a screw and pulled out the brass plugs. I then blew air into the
cavity before unseating the screws (turning in first to determine setting).
I smiled when I saw the first one. The tip had a black dry corroated look.
I cleaned it and proceeded to blow carb cleaner into the passage, followed
by air. I thought my problems were solved! A test ride found the bike
running smooth......but, no v-boost. Ran like a dog. Confused, I came
home. Whats up now? It use to run out fine. I began to play with the
mixture screws some more. It was the only thing I changed. With the bike
running, if I seat a mixture screw it will lean out and slow the motor.
All except one. I took the screw out (spring and washer also), blew air
again. Seems clear, yet no difference in adjustment..? Was going to buy
another set of spark plugs but running out of time. Off to work. Later,
thanks.
>From: "TC" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: V-MAX TECH LIST <[EMAIL PROTECTED]>
>Subject: Re: V-Max Carb trouble? Surges, misses and popps.
>Date: Mon, 3 Apr 2000 20:10:09 -0700
>
>Louis,
>Cool ... now were getting somewhere ... They "are" idle mixture screws
>... but of course they pass pilot fuel mixture so I apologize for
>confusing the issue ... . I have simply gotten into the habit of
>referring to them as pilot mixture screws. Due to their immediate
>proximity to the bypass holes ... this is the best way to get some
>serious air pressure on the problem. They were probably having a big
>laugh when you were blowing at them from the other side of the carb.
>
>Since you haven't had these out before ... I wanted to warn you to
>make sure you use a screwdriver with an exact a fit as possible, (what
>ever you used on those tiny pilot fuel jets should be fine). Don't
>strong arm these guys ... because if you break half of a head off it
>will be hell to get the mixture screw out of there ... If you don't
>detect an immediate willingness to "move" .. squirt these guys down
>with WD40 or some penetrating liquid an let them set overnight. Once
>you do have them out you can coat them with silicone grease or any
>never-seize lubricant on the threads to keep them from freezing to the
>carb body in the future. You can find nice looking little 1/4 inch
>poly plastic plugs at the hardware store to cover the hole and that
>will protect them from the weather as well as provide easy access for
>future touch ups.
>
>This is something you are going to have to do anyhow ... and I think
>that, (after getting the other problem taken care of), you will find
>that just an extra 1/2 turn on top of what was set by the factory will
>make the bike a lot more enjoyable to ride without giving the
>emissions station a heart attack. When the bottom end starts going
>away in the future, (and it will), you can just pop the screws out and
>blow them out again ....... Once your fuel levels are where you want
>them ... and assuming you don't ingest trash into the fuel bowl ... it
>is unlikely you will have much need to pull the carb stack at all ...
>campbell
>
>
>----- Original Message -----
>From: louis churukian <[EMAIL PROTECTED]>
>Subject: Re: V-Max Carb trouble? Surges, misses and popps.
>
>
> > I have not removed the brass plugs covering the pilot mixture screws
>..
> > snip <
>
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