Originally Posted by
haz87
Glad its sorted.

So was it a bearing size difference then? Cant see how the gearset being different can alter shaft play. Really this is only controlled by the input/output bearings
No, first gear was a few mm thinner. So the intermediate shaft had slightly thicker gears to compensate. However, as we were using the best parts of each and didn't notice the size difference it meaning that there was movement in 1st gear once all back together.