That's what I did Kyle, clean the master cylinder out good, left the
old leaking sight glass in there. Then I carefully poured JB Weld in
there just filling up the sight glass cavity. Let set with cylinder
on it's side . It worked really well, Graham
On Aug 8, 2011, at 4:36 PM, Kyle Munz wrote:
In my post I used two-part epoxy to completely replace the
sightglass. You can't really see the level through it anymore, but
I couldn't see much through that old piece of plastic anymore either.
-Kyle
On Mon, Aug 8, 2011 at 3:30 PM, [email protected]
<[email protected]> wrote:
I believe that to be a sound fix. That said, since I am rebuilding
the whole thing why go the "quick" fix route for that when I can
make it look good with just a little more effort?
Sent from my Verizon Wireless Phone
--- Original Message ---
From: [email protected]
Sent: August 8, 2011 8/8/11
To: [email protected]
Subject: RE: [Nighthawk Lovers] Re: Clutch starting to act up
I would marine tex a dime over the hole with the old glass still in
place
--- Sent with mail@metro, Real Life Real Time™ Mobile ---
---Original Message---
From: [email protected]
Sent: 8/8/2011 2:28 pm
To: "Nighthawk Motorcycle Lovers!" <[email protected]>
Subject: [Nighthawk Lovers] Re: Clutch starting to act up
Awesome posts, Thanks Kyle.
so I'm rebuilding both the master and slave, as I hope not to re-visit
this issue...
I have the parts save for the replacement sightglass.
I read a post somewhere, I forget where now, but the sightglass can be
replaced easily using super glue and this mineral glass material.
I guess I will have to get the old one out and measure it somehow, as
these glass pieces come in sizes varying by .1 mm.
How do I measure the old sightglass down to .1mm without a micrometer?
Any suggestions? Or should I just take a WAG at it and fill it in with
Super Glue?
I know that a dime is pretty darn close to the diameter of the glass
itself.
A dime is 17.9 m, as per google. But I think maybe I pull the old
glass and have a machinist measure it for me.
Hopefully it comes out in 1 piece. ???
Mike
On Aug 2, 10:27 pm, Kyle Munz <[email protected]> wrote:
> Man, I have no idea why the heat would be affecting it. That said
both cyls
> aren't that hard to rebuild. Basically you order the rubber bits,
tear it
> apart, clean it really well, take care putting it back together,
then go
> back through the PiTA process of bleeding it again. I took pics
of my
> rebuild in the links below.
>
> http://munz.kicks-ass.net/nighthawk/?p=172http://munz.kicks-
ass.net/nighthawk/?p=187http://munz.kicks-ass.net/nighthawk/?p=196
>
> -Kyle
>
>
>
> On Tue, Aug 2, 2011 at 5:25 PM, Mike21222 <[email protected]> wrote:
> > Ok, I've bled the clutch twice, the problem still existed, so I
had it
> > done at the shop.
> > It is still doing the same thing, the shop recommends
rebuilding the
> > master cylinder, but the trouble only occurs when the bike gets
hot.
> > Then I have to pump the clutch to get it to disengage. If it's
only
> > when its hot, how could that spell master cylinder, seems the
heat is
> > localized to the slave cylinder area and the clutch mechanism
itself.
> > Perhaps I should replace the slave sylinder. Or have it
rebuilt. Or
> > maybe I should have both rebuilt? Any comments? Mike
>
> > On Jul 28, 7:51 pm, Mike21222 <[email protected]> wrote:
> > > I have a recently purchased 1984 CB650SC, it's been running
fine for a
> > > few weeks, got the oil changed a few days ago, and new tires.
and
> > > since then I have noticed the clutch is starting to act up.
It works
> > > fine when the engine is cold, but once the engine gets heated
up, it's
> > > tough to disengage the clutch. I have checked the clutch master
> > > cylinder, it needed fluid, I added a little DOT 3, just as
the book
> > > prescribes. It ran fine on the way home, once I got home the
clutch
> > > again was acting like it did not want to disengage. Anyone
know what
> > > might be going on here? Could it be they used the wrong
viscosity of
> > > oil? Could overheating cause this? How about the slave
cylinder? There
> > > are no leaks anywhere. I think the bike sat for about a year
before I
> > > bough it. I also thjink its been quite a while since someone
checked
> > > the master cylinder because the screws were seized up and I
had to tap
> > > them both out. I replaced them with allen screws from a fastener
> > > store. Any helpful suggestions out there would be appreciated.
> > > Mike
>
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