[Nighthawk Lovers] Re: alignment further

Mon, 25 Jan 2010 18:54:54 -0800

Don't forget the axle pinch-bolt with the little chrome cap on it


Jan 25, 2010 08:27:44 PM, [email protected] wrote:
Dennis:

I have rexamined everything very closley and here is what I found:

Found a very small amount of play in the neck, tightened 1/8 turn.

Brake pads are mettalic and wear is uneven and down to 1/8 inch or
less (I have new organic pads).

I still cant get axle nut loose. Fok oil leaked out of the anti-dive
adjust. Leak is now fixed will try to get axle nut off again later.
Spinning wheel in the forks it looked true and has no play. Axle spins
but not without effort, I am assuming speedo is slowing it down.

I examined the fork tubes carefully with a strait edge and I cant find
any defects.

What course of action do you recommend next?

Glen



On Jan 24, 11:12 pm, Dennis Hammerl wrote:
> Is there any movement of the relationship between the upper and lower fork bridges while twisting ? Did you get the axle out ?
> While twisting the tubes, is there any movement of the very bottom of the fork ? Your measurements show that there is something flexed somewhere. The first things to flex are fork tubes. That's why this is so important. If you can't find any deviation in any component, then let's try reassembly in a very special sequence.
>
> ________________________________
> From: Snookfever
> To: Nighthawk Motorcycle Lovers!
> Sent: Sun, January 24, 2010 10:54:40 PM
> Subject: [Nighthawk Lovers] Re: alignment further
>
> Dennis:
>
> Twisting forks in the clamps I do not notice any binding or tight
> spots?  Now what?
>
> Glen
>
> On Jan 20, 10:51 pm, Dennis Hammerl wrote:
>
>
>
>
>
> > Other than disabling the anti-dive, it shouldn't make a difference. There's something wrong with your bike and it may be cured by careful re-assembly. But, don't hurry to get there.
>
> > ________________________________
> > From: Snookfever
> > To: Nighthawk Motorcycle Lovers!
> > Sent: Wed, January 20, 2010 10:28:58 PM
> > Subject: [Nighthawk Lovers] Re: alignment further
>
> > Dennis:
>
> > Not sure if this could  make a difference, but when I replace my fork
> > seals last year I disasembled the forks to clean out all the old oil
> > and I misplaced the ball berring and spring that act as the holder for
> > the anti dive adjustment nob. I assembled with out it and used an o
> > ring to hold the nob in place.  I recently found the ball bering and
> > spring and replaced them tonight.
>
> > Glen
>
> > On Jan 20, 10:15 pm, Snookfever wrote:
>
> > > Dennis:
>
> > > Calipers working fine, pins still have grease and slide smooth
> > > (calipers cleaned and pins greased when I did the fork seals last
> > > year)
> > > Brake pads at 50% look fine no unusual wear
> > > No problems with fork brace or fender
> > > Wheel mounted correctly
> > > Forks slide in an out smoothly
> > > Cant get axle nut loose to remove axle from wheel.  Is it standard
> > > thread left loosy?
> > > Axle has no play
> > > Checked wheel base and it measure 59.5 inches (axle center to axle
> > > center).
>
> > > What next?
>
> > > On Jan 19, 10:45 pm, Dennis Hammerl wrote:
>
> > > > Very good. That was an incidental because it was a good time to perform the check. Better to find a problem now and not later. Twisting the fork tubes and such are more to the point. While you have a small deviation from correct, it makes it harder to find the exact flaw. I do expect the fork tubes to be somewhat flexed. Another thought that passed through is a misplaced spacer on the front axle. The purpose of all this is to return it to a near perfect alignment in two planes. Yours is off in both. That's what is leading me to flexed fork tubes. When this is reassembled, there will be a sequence of operations to insure alignment. I've found over the years that a good many people will replace a tire and neglect the fine points of assembly. Go slow and be methodical.
>
> > > > ________________________________
> > > > From: Snookfever
> > > > To: Nighthawk Motorcycle Lovers!
> > > > Sent: Tue, January 19, 2010 10:25:40 PM
> > > > Subject: [Nighthawk Lovers] Re: alignment further
>
> > > > Dennis:
>
> > > > Smooth as glass left to right and no movement up and down. Will check
> > > > the brake calipers and front axle towmorrow.
>
> > > > Glen
>
> > > > On Jan 17, 4:52 pm, Dennis Hammerl wrote:
>
> > > > > This should keep you busy for a while. Get back to me.
>
> > > > > ________________________________
> > > > > From: Snookfever
> > > > > To: Nighthawk Motorcycle Lovers!
> > > > > Sent: Sun, January 17, 2010 1:28:23 PM
> > > > > Subject: [Nighthawk Lovers] Re: alignment
>
> > > > > Dennis:
>
> > > > > Test results are as you predicted. The front wheel is not square and
> > > > > it is not centered when compared to the rear. Off aligment by about
> > > > > +/- 3/8 inch and out of square by +/- 1/8 inch.  Tires were 10 lbs low
> > > > > on air. No signs of front end damage or repair.  Please note I
> > > > > replaced the fork seals when I first got it and completely
> > > > > dissasembled both forks .  The shop manual doesnot specify a the fork
> > > > > placement (height) in the clamps.  The are currently  3/8 inch  (fork
> > > > > tube not including cap) above the top clamp same for both sides.
>
> > > > > What next?
>
> > > > > Glen
>
> > > > > On Jan 15, 11:52 pm, Dennis Hammerl wrote:> Start here Glen.
>
> > > > > >  alignment.doc
> > > > > > 29KViewDownload
>
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>
> > > > >  further checks.doc
> > > > > 13KViewDownload
>
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