Very important.
1.50mm is standard, for both sides. They go in intervals of 0.06mm, whatever one side moves the other moves opposite. So if the right spacer is 1.44mm then the left has to be 1.56mm. Kind of narrows it down. if you measure what you have you should be able to figure out what the other side would have been.
Now, the other thing about that is that what was in there to start with may not give you the correct backlash either. The right way to do it would be to measure the backlash and buy the shims to get it correct, if needed.
The correct way to measure backlash, the numbers you need to look for, what way to change the shims to increase/decrease backlash etc. will all be in the factory service manual.
1.50mm is standard, for both sides. They go in intervals of 0.06mm, whatever one side moves the other moves opposite. So if the right spacer is 1.44mm then the left has to be 1.56mm. Kind of narrows it down. if you measure what you have you should be able to figure out what the other side would have been.
Now, the other thing about that is that what was in there to start with may not give you the correct backlash either. The right way to do it would be to measure the backlash and buy the shims to get it correct, if needed.
The correct way to measure backlash, the numbers you need to look for, what way to change the shims to increase/decrease backlash etc. will all be in the factory service manual.
