Hi James
Sorry to have misslead you a little .... When I say that the gearbox shaft is supported at the flywheel. I in fact mean, supported in the crankshaft.
for some silly reason I thought if I said flywheel it would be easier to understand
Forgive me, I have had a stressfull day
The spiggot bearing fits in the crankshaft ( This will be drilled, ready to accept the new bearing )
It is highly unlikey that you would be able to remove the old one without destroying it.
Probably be wise to use a new one in any event, there could be a fair bit of wear on the old one
