3rd 4th chattering
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Stellar HDF Member
Joined: Apr 2009
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From: Northern Ontario
Yes they were. When I rebuilt this tranny a few years back it had all new spacers bearings etc. I took this tranny out and put a new tranny in its own gearcase. This tranny I pulled the casette out of its case to get the case welded and the mainshaft and countershaft were never pulled from the bearing door. I simply reinstalled the casette back into the repaired gearcase and reinstalled the entire unit back into the bike. When I took this tranny out of the bike I had no issues with it. I'm starting to think it was a bad thing using the shifter forks in this tranny after they had run in the other tranny for so long. I gave them a good look and there is no obvious bend on the forks but when I check them with a ruler they appear not to be perfectly flat but not being someone who does line work everyday I can't say I have the trained eye to see a bent fork when I see one.
Yes they were. When I rebuilt this tranny a few years back it had all new spacers bearings etc. I took this tranny out and put a new tranny in its own gearcase. This tranny I pulled the casette out of its case to get the case welded and the mainshaft and countershaft were never pulled from the bearing door. I simply reinstalled the casette back into the repaired gearcase and reinstalled the entire unit back into the bike. When I took this tranny out of the bike I had no issues with it. I'm starting to think it was a bad thing using the shifter forks in this tranny after they had run in the other tranny for so long. I gave them a good look and there is no obvious bend on the forks but when I check them with a ruler they appear not to be perfectly flat but not being someone who does line work everyday I can't say I have the trained eye to see a bent fork when I see one.
if it doesn't then that fork may be bent and binding. Do the same thing in 4th.
Something else, in a couple of your pics, the 4th main looks really discolored as if it got hot. The teeth don't look very sharp on that gear either, if a single tooth gets distorted or you can grab a ridge or a valley in a single tooth with your finger nail it will make noise.
EDIT: I mean the 5th main.
EDIT: I mean the 5th main.
Last edited by corliss@bakerdrivetrain.com; Apr 15, 2015 at 03:20 PM.
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Stellar HDF Member
Joined: Apr 2009
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From: Northern Ontario
Thanks Mark I went through all the motions you described.
Found the culprit when I was rolling the tranny around after putting in 3rd then forth and just happened to spot it.
Broken tooth was sitting in bottom of case
Found the culprit when I was rolling the tranny around after putting in 3rd then forth and just happened to spot it.
Broken tooth was sitting in bottom of case
Road Master
Joined: Feb 2014
Posts: 913
Likes: 5
From: indiana
glad you found it
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Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
Likes: 11
From: Northern Ontario
Pretty sure what caused it was when I locked the tranny gears while installing the tranny and when I locked the gears to torque down the primary side the gears may not have been lined up properly, I do recall hearing a ping while torquing but wasn't sure what it was.
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That'll do it.
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