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cb 550 3rd gear
Bryanj:
Does the mating gear run on a loose bush? If so is it top hat shaped? If so is it correct way round
Trying lateral thinking here
K2-K6:
They still shouldn't be touching the selector fork face with the gear or any part of it, indicating a misalignment in that fork. The gear can't do it as it runs perpendicular to it's own shaft.
The fork has to have angle on it other that 90 degree to the shaft it's sliding on to touch just at that point and give that wear mark, up near the pivot.
Something like a surface plate to hold the pads flat to, then check the fork shaft angle against vertical to see what you've got there.
It is quite normal to see forks with that wear mark if bent in most gearbox assembly.
gary123:
--- Quote from: Bryanj on October 06, 2023, 08:37:06 PM ---Does the mating gear run on a loose bush? If so is it top hat shaped? If so is it correct way round
Trying lateral thinking here
--- End quote ---
No, no bushes.
gary123:
--- Quote from: K2-K6 on October 06, 2023, 09:27:11 PM ---They still shouldn't be touching the selector fork face with the gear or any part of it, indicating a misalignment in that fork. The gear can't do it as it runs perpendicular to it's own shaft.
The fork has to have angle on it other that 90 degree to the shaft it's sliding on to touch just at that point and give that wear mark, up near the pivot.
Something like a surface plate to hold the pads flat to, then check the fork shaft angle against vertical to see what you've got there.
It is quite normal to see forks with that wear mark if bent in most gearbox assembly.
--- End quote ---
This is my thinking, Ill see if I can get replacement forks, its the ones that run on the shaft, not the one on the drum.
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