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Aligning rubber gearbox mounts 1998 BMW K1200RS

goneregret

New member
I'm putting in a used gearbox and it doesn't have those big rubber mounts at the top so I have to use the ones from the old gearbox. My manual makes a big deal out of aligning those things correctly. How important is it to get it perfect?

Left-hand Rubber Mount:
The repair manual says to make a template shaped like an L. I don't understand the numbers on the template. Are the 17, 93 and 50 centimeters? What does the "ca 40" mean? And the "+0,1" ? What does the "t>10mm" mean? Can I make this out of wood? How exact does it have to be? Can I just hold something flush on the back of the mount and push the rubber mount in until it hits that?

Right-hand Rubber Mount:
This part is very confusing in my manual.
1) Do I install the gearbox first THEN torque the two pinch bolts for the right rubber mount?
2) Is the "Right-hand bearing bushing" the same thing as the "Right hand rubber mount" or is that a different part?
3) The manual says to "Screw the lift/right engine mountings to the cross-member." What does that mean?
4) Is it true these tightening torques are only 9 Nm?

Thanks for your help!
 
Also, what does "Lifting the frame" mean? I read that part of the manual and I can't figure out what it's supposed to accomplish. Does it mean raising the SUB frame? Does it mean I pivot the subframe up to give myself room to work on the gearbox?
 
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