Subject: Re: Rear Drive Update

Well, the bike sounds fine. Clearly, it's all YOUR fault.

(just kidding)

I'll look at a swingarm tonight and see where those holes should be
positioned.

On Friday, June 3, 2005, at 04:04 PM, Keith Ruff wrote:

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I put on 13" shocks, it had 11" or 11.5" Harley Progressives when I got
it and I thought that was the problem. I weigh 180 pounds, so the
length of shocks and my weight should not be the issue. I used Castrol
80/90W gear oil. I have Penzoil now, same 80/90W weight.

Greg,

I did see the small notches on the pinion carrier (they face the rear
drive and are very small). Where should these be positioned? I'm
thinking the top right bolt and bottom left bolt when installing into
the rear drive (as if the rear drive was installed on the bike), same
place the flat spots should have been if I had that type of drive.
This
pinion fits pretty snug, I had to tap it out of the rear drive gently
and will have to tap it back in gently. Swingarm definitely does not
have the notches, I felt all around and it is a perfect circle.

Parts and swingarm tool just arrived from MG, so I can continue
working.
This is my first time pulling a swingarm, so wish me luck and feel
free
to give me advice.

Keith Ruff
70 Cafe Racer Ambo
Manahawkin, NJ

peha-@comcast.net wrote:

Keith, nothing personal, but how much do you weigh? And can you
confirm
that you have original length shocks?

While driving, your shaft housing should be angled down and to the
rear.
Too much load or short shocks means the angle is down toward the
front
and oil can then migrate and hang forward.

Patrick Hayes
Fremont CA

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Checked the compression this morn. 151 psi left, 159 psi right.
Was a
pleasannt surprise as I expected the left side be be lower. I feel
much

better now knowing the compression is in a good range. Will see how
she

runs once I replace the distributor springs.

Will head out to the garage and start disassembly of the rear drive
to
check if it is installed correctly. Spoke with Mark E this morn and
the

Ambo pinion may not have the flat spots on it as described in
Guzziology. Thanx to Paul Linn for the pix, I now know what to look
for, but in the few rear drives Mark checked in his shop, none of
them
had the flat spots on the pinion nor on the rear drive assy, so I
may be

checking for nothing. Will replace the gaskets though when
reassembling. Gotta figure out why my Ambo is heavily migrating gear
oil to the driveshaft boot then pissing out all over the muffler and
tire.

Keith Ruff
70 Cafe Racer Ambo
Manahawkin, NJ

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Subject: Re: Rear Drive Update

Author: Greg Field

Date: Jun 3, 2005, 5:41 PM

Post ID: 1718970460

Entire thread: