TC- I'm helping a clueless friend with the problem. He just got the bike,
along with the problem. It was mentioned if the fuel filter had been
changed, and yes, it was. Checked diaphragms, and needle position, as well
as going thru all carbs again. I feel that at the RPM this occurs, the carbs
are pretty well up onto the main jets. Also checked main jets to be sure
they had not been tampered with. (drilled out or something like that) New
air filter too. New NGK plugs of the proper type. V-boost is cycling upon
key power-up. This bike may have had this problem since new, I don't know
the original owner. I don't feel it is a cam timing problem, as it is too
pronounced-- almost like hitting the Kill switch. It almost seems it "runs
out of gas" but will quickly pick back up again and pull to rev limit.
Again, fuel pump delivery checks OK on the stand. Maybe something happening
in the dynamic state??? Still looking. any more ideas? Thanks, Leo
----- Original Message -----
From: "TC" <[EMAIL PROTECTED]>
To: "V-MAX TECH LIST" <[EMAIL PROTECTED]>
Sent: Sunday, August 13, 2000 5:23 PM
Subject: Re: Hi RPM Hesitation
> Leo,
> I have a '93 myself. The only time I have ever been able to "create" a
> hesitation/pronounced flat spot near this RPM was when I was fooling
> with individual filters and was adjusting the main jet. When I finally
> got too small the hesitation/flat spot appeared. The bike would pull
> strong right to 75-78K .. hesitate and then go on like nothing
> happened. Moving back up one step on the mains eliminated the problem.
>
> Sooooooooooo .. since you are completely stock .. and you have
> examined the carbs, (no slide rubber problems etc), I am curious when
> you first started to notice that this was happening ?? Just this
> season ?? Two months ago ?? Since you have had it ??
> campbell
>
> ----- Original Message -----
> From: "Leo Goff" <[EMAIL PROTECTED]>
> Subject: Hi RPM Hesitation
>
>
> > I have a 93 V-MAX ,9003 miles, no mods, completely stock.
> > This bike has a hesitation under wide open throttle as it
> > approaches 8000-8500 rpm.
> > snip <
>
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