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Topics - Trev

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Twins / Gearbox grub screw removal
« on: 27 June, 2017, 11:26:34 »
I need to change the gear shift selector forks. Is it possible to access and remove or loosen the spindle retaining grub screw while the gear box is still in the frame? Has anyone actually done this, and if so how did you do it?

Twins / A10 gearbox problem
« on: 03 May, 2017, 11:16:15 »
I have an intermittent gear selection problem. Sometimes changing up from 1st to 2nd the operation is stiff (not sure if that is the correct way to describe it)  when this happens there is no positive feel to it. The same thing happens when changing down to 2nd from 3rd. If I move the gear lever back to the central position then normally when I retry the gear engages perfectly. The return spring is OK as far as I can tell, and the gear lever returns to the central position as it should. This problem does not occur when changing up or down from 3rd to 4th and vice versa. This only seems to occur when the box has warmed up a bit, that is to say after I have ridden a few miles, I have not encountered this problem when the gearbox is still cold. This problem normally happens perhaps only once or twice during a ride, and often not all. The clutch is adjusted correctly as far as I am aware because I can easily select neutral while stationary from either 1st or 2nd. The gearbox oil level is correct. Can anyone offer any suggestions about what might be causing this problem? Incidentally, when the bike is on the centre stand I can select all gears with no problem and the gear lever seems to be operating correctly. One other thing that might be relevent that perhaps I should add. It never jumps out of gear.

Twins / A10 rocker cover banjo oil feed union bolts
« on: 14 February, 2017, 11:31:34 »
Can anyone tell me about the rocker union bolts? (65-137) the BSA spareslist shows quantity 2, however, I believe that there should be two different bolts (65-137 & 65-138) one has a larger hole than the other. 65-138 does not appear it the parts list is this an error? If the two bolts are indeed different which way round are they supposed to be fitted?

Twins / A10 rocker cover
« on: 10 February, 2017, 16:26:12 »
Anybody know of a fool proof method of refitting the A10 rocker cover, and keeping the the pushrod location tool in place while doing so?

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