Topica Loopframe_Guzzi Archive
 

Subject: RE: 4 Speed Tranny Questions

Author: Ian Adkins

Date: Apr 19, 2003, 8:25 PM

Post ID: 1712686348


Hunter,

I had to leave my Convert in my garage in Canada when I came down to Ga. I
keep hoping that one day I will be able to drop that 1000cc motor in a Loop
frame. For now the Police Eldo is my current project.

Tnanks to you and everyone else for their tranny input.

Regards...Ian

 -----Original Message-----
From: Hunter Jones [mailto:hhjo-@mindspring.com]
Sent: Saturday, April 19, 2003 11:36 AM
To: Loopfram-@topica.com
Subject: Re: 4 Speed Tranny Questions



Hi Ian,

Oil in the U-joint area could be from either end. I would suspect the
layshaft seal. It is fairly easy to replace with the swingarm out
although
a great deal of care must be taken not to knock the layshaft
forward. This
can damage the front of the case.
As Peter pointed out oil can migrate forward from the rear even
though the
carrier bearing is sealed.
Either way oil in the boot is bad as it will wash the grease out of the
joint and also the carrier bearing. This will lead to premature failure.
Usually the bearing will be OK with repacking but the joint is another
story. Even so I saw that P67V7 had the parts to rebuild a U-joint.
Weren't you working on an Eldovert? I have a lot of convert as
well as loop
stuff and may go that route as as well as addind disc brakes.

Hunter




At 12:38 PM 4/18/2003 -0400, you wrote:
 Hi All,

I have pulled my rear end for inspection and to replace a
leaking push rod
 seal on the tranny. I have a few questions for y'all:

- There was a fair bit of oil (maybe a couple of tablespoons) in
the Ujoint
 boot and I am suspecting that oil is leaking from the output shaft
(layshaft) seal. Is it possible for oil to migrate past the carrier
bearing/ujoint? I don't think there is a seal in rear housing so
I know oil
 can move up the swing arm but could it be the cause of the oil
in the boot?
 
- Since I have access to the shift return spring I intend on
replacing it.
 Assuming that I have the tranny in neutral is there anything
that I need to
 look out for when I pull the pin that holds the return spring?
The 4 Speeds
 are nice because they have a little cover plate for the return spring.

- The shaft (mentioned above) comes out the end of the tranny
and it looks
 like it is leaking a bit too. I was looking in the parts manual and there
was no indication of a seal. Is there one?

I think it has been about three years since I have looked at the
rear end.
 It is impressive to me to see everything so solid and in good
condition. I
 can understand how these bikes can go 100,000+ miles.

Thanks for the input...Ian

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