Leo,
Have you checked the side stand switch? Maybe at that resonance 75-78K
it starts shaking, i've hard of a few cases (on the list) where this was
the culprit. Good luck.
Troy E
VMOA#1336
Leo Goff wrote:
>
> 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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