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<DIV>Thanks Mike,</DIV>
<DIV> </DIV>
<DIV>The parts are rolling in the bearings bushes springs etc. The tools
and DVD’s will be here soon and a with luck I will have a list member who
has been there before guide me though the upgrade. </DIV>
<DIV> </DIV>
<DIV>Still I did have the old girl out last weekend and we had a great time
in the spring air..</DIV>
<DIV> </DIV>
<DIV>Will update as events change !</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Cheers All,</DIV>
<DIV>Eric</DIV>
<DIV> </DIV>
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<DIV> </DIV>
<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><B>From:</B> <A title=micdes@comcast.net>MICHAEL
FORTE</A> </DIV>
<DIV><B>Sent:</B> Monday, April 12, 2021 07:06 PM</DIV>
<DIV><B>To:</B> <A title=ducdude@verizon.net>ducdude</A> ; <A
title=dvnr@casano.com>ducdude via DVNR</A> ; <A
title=bsafr@aol.com>bsafr@aol.com</A> </DIV>
<DIV><B>Subject:</B> Re: Commando Lay Shaft bearing</DIV></DIV></DIV>
<DIV> </DIV></DIV>
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style='FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: "Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; DISPLAY: inline'>
<DIV
style="FONT-SIZE: 12pt; FONT-FAMILY: helvetica,arial,sans-serif; COLOR: #333333"><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: helvetica"> Hi eric. I
thought i would wait for the shift lever warning and now I have a cracked trans
case on the shelf. M.F.</SPAN> </DIV>
<BLOCKQUOTE type="cite">
<DIV>On 04/05/2021 3:58 PM ducdude via DVNR <dvnr@casano.com> wrote:
</DIV>
<DIV></DIV>
<DIV></DIV>
<DIV dir=ltr>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial'; COLOR: #000000">
<DIV>Thanks Brian, </DIV>
<DIV></DIV>
<DIV>Can you or anyone direct me to a supplier of the needed specialty tools I
will need to service the gear box?. Always room for more tools! </DIV>
<DIV></DIV>
<DIV>Thanks , </DIV>
<DIV>Eric </DIV>
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<DIV></DIV>
<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><STRONG>From:</STRONG> <A>bsafr@aol.com</A>
</DIV>
<DIV><STRONG>Sent:</STRONG> Monday, April 05, 2021 03:02 PM </DIV>
<DIV><STRONG>To:</STRONG> <A>ducdude@verizon.net</A> </DIV>
<DIV><STRONG>Cc:</STRONG> <A>dvnr@casano.com</A> </DIV>
<DIV><STRONG>Subject:</STRONG> Re: Commando Lay Shaft bearing
</DIV></DIV></DIV>
<DIV></DIV></DIV>
<DIV
style="FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: 'Calibri'; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; DISPLAY: inline">
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<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">Hey
Eric, </DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">Since
David mentioned my ordeal, I will reply. I originally wasnt going to weigh in
because I know others who are more experienced probably would and I am often
teased that Im a "Level Three" mechanic. </DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">I
have a '74 Mk2a Interstate home model - Im the second owner (only had 15,000
mi.), so I know it hadnt had too much work done on it. My layshaft bearing
failed (catastrophically) while riding it around 20 - 25 mph through a
turn. As David mentioned, I didnt even know about that issue, so I thought
something was wrong with my kickstart return. Bike stopped suddenly in the
turn, but I didnt drop it. Started up and tried to continue but realized
something more severe was going on. Dan Sellers Recovery Service came and
fetched me home. Did some research and decided to take a stab at it - uring
the Old Britts article and also the one Russ references (Old Britts link is in
that one). I also consulted the service manual. I did the job with the gearbox
in-situ. </DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">I
debated using the ball bearing (Mick Hemmings does) and Steve Collins from
Collins Cycle said it would be OK, but everyone else suggested the roller
bearing upgrade. I bought both, but installed the roller bearing. I made my
own bearing puller (using a gear puller jaw) and you also need a slotted tool
(like a 55 drum cap remover) to remove the shaft lockring so you can get the
inner case off (I made that out of a piece of matching diameter pipe and cut
the two bayonets). It is also helpful to have a thin wall Whitworth socket to
get the one lower left inner case nut off easily. I did the heat and
freeze stuff to remove the outer race of the disintegrated bearing and install
the new bearing. I also replaced the outer bush and kickstart pawl - all the
gears looked fine and I didnt remove the main shaft. </DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">I
did find a small crack between the main sleeve gear and lay bearing
aperatures, which may now be weeping a tad. I bought a used outer gearbox case
in came I ever have to fix that - but was convinced to go ahead as is - I did
use some Loctite bearing retainer when I installed the roller bearing to try
to mitigate the problem. No difficulty reassembling. And other than the
weeping its fine - the gears are indexed fine (I didnt remove the camplate)
and I consider it a successful repair. </DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">Here
is a pic of what I found when I opened mine, then a pic of the small crack in
an inverted mirror, and a pic of the tools I used - real tools would be better
Im sure!! </DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">Good
luck - Im sure youll have no trouble - I wouldnt do it unless I had to. </DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black">Brian
</DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"></DIV>
<DIV
style="FONT-SIZE: 10pt; FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black"><BR><BR><BR>-----Original
Message----- <BR>From: Russ Hunt WQ3X <wq3x@epix.net> <BR>To: ducdude
<ducdude@verizon.net>; David Behnken <davidebehnken@gmail.com>
<BR>Cc: MYTY <mjtt110@icloud.com>; DVNR Norton <dvnr@casano.com>
<BR>Sent: Mon, Apr 5, 2021 11:35 am <BR>Subject: Re: Commando Lay Shaft
bearing <BR><BR></DIV>
<DIV id=yiv0192131563>
<DIV>
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<DIV></DIV>
<DIV dir=ltr>I did mine with the gearbox in the bike following this article:
</DIV>
<DIV dir=ltr></DIV>
<DIV dir=ltr><A class=yiv0192131563enhancr_card_8391961608
href="http://doov.com/apps/nortoncompanion/index.php/upgrades-modifications/25-layshaft-bearing-upgrade"
shape=rect rel=noopener target=_blank>Layshaft Bearing Upgrade</A> </DIV>
<DIV></DIV>
<DIV id=yiv0192131563ydp6e0bafaenhancr_card_8391961608
class="yiv0192131563ydp6e0bafayahoo-link-enhancr-card yiv0192131563ydp6e0bafaymail-preserve-class yiv0192131563ydp6e0bafaymail-preserve-style"
style="MAX-WIDTH: 400px; FONT-FAMILY: yahoosans, helvetica neue, segoe ui, helvetica, arial, sans-serif"
data-size="MEDIUM" data-type="YENHANCER"
data-url="http://doov.com/apps/nortoncompanion/index.php/upgrades-modifications/25-layshaft-bearing-upgrade">
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<TD
style="FONT-FAMILY: yahoosans, helvetica neue, segoe ui, helvetica, arial, sans-serif; WIDTH: 99%; VERTICAL-ALIGN: middle; PADDING-BOTTOM: 16px; PADDING-TOP: 12px; PADDING-LEFT: 12px; PADDING-RIGHT: 24px; border-radius: 0 0 2px 0">
<H2 class=yiv0192131563ydp6e0bafacard-title
style="FONT-SIZE: 14px; MAX-WIDTH: 314px; FONT-FAMILY: yahoosans, helvetica neue, segoe ui, helvetica, arial, sans-serif; COLOR: #26282a; MARGIN: 0px 0px 6px; LINE-HEIGHT: 19px">Layshaft
Bearing Upgrade</H2>
<P class=yiv0192131563ydp6e0bafacard-richinfo-primary
style="FONT-SIZE: 12px; COLOR: #979ba7; MARGIN: 0px 0px 4px; LINE-HEIGHT: 16px">David</P>
<P class=yiv0192131563ydp6e0bafacard-description
style="FONT-SIZE: 12px; COLOR: #979ba7; MARGIN: 0px; LINE-HEIGHT: 16px">Of
and for Norton
Motorcycles</P></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></DIV>
<DIV dir=ltr>The article has you heat the case then use the layshaft itself to
remove the bearing. It worked out for me, but sometimes the inner race will
come off the layshaft and then you will need the puller. I used the fancy ball
bearing recommended by Mick Hemmings and ended up replacing a bunch of other
things in the gearbox too, like all the bushings and bearings and the
mainshaft. </DIV>
<DIV dir=ltr>Good luck, </DIV>
<DIV dir=ltr>Russ in UBE </DIV>
<DIV dir=ltr></DIV>
<DIV dir=ltr></DIV>
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<DIV
id=yiv0192131563ydp28cc5912yiv0557595783ydp91323951yahoo_quoted_8410291506
class=yiv0192131563ydp28cc5912yiv0557595783ydp91323951yahoo_quoted>
<DIV
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<DIV id=yiv0192131563yqtfd48476 class=yiv0192131563yqt8812267486>
<DIV>On Monday, April 5, 2021, 10:36:54 AM EDT, David Behnken
<davidebehnken@gmail.com> wrote: </DIV>
<DIV></DIV>
<DIV></DIV>
<DIV>
<DIV id=yiv0192131563ydp28cc5912yiv0557595783ydp91323951yiv2765911313>
<DIV>
<DIV dir=ltr>
<DIV>Morning Eric. </DIV>
<DIV></DIV>I believe Brian Safer's lay shaft bearing in his '74 Mark2a was
starting to go last summer and he replaced it. If I recall correctly,
his kickstart lever started to show the telltale signs of upcoming bearing
failure and Dan Sellers gave him a heads up that it needed attention sooner
rather than later. The good news is, as Frank said, it's relatively easy
to get to and not like you need to take half the bike apart to make the
repair. If I remember correctly, people often replace the ratchet spring
and/or gear change return spring and check the kick starter pawl when they're
in there but I could be wrong. (?) Maybe someone who knows for sure can
chime in. I have yet to tear into a gearbox myself so I have no first
hand knowledge.
<DIV></DIV>
<DIV>David B <BR clear=none>
<DIV></DIV>
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