Originally Posted by Z900
Hi, I'm investigating the oil-leakage from the gearbox.

Got the gearbox out and I saw oil coming out the seal of the main output with the gearbox leaning on the shaft (after 2 / 3 min)

1. Is this OK ? (I think no)
2. When I rotate de sprocket, the seal is turning in the case, is this correct ?

Thanks, Gerrit

https://i.gyazo.com/328bc137ead51f8af286362fb7253b06.jpg

1. No is correct

2. The seal should not rotate in the case.

For 2 you have to find out if the gearbox housing is now worn oversize in which case you will need a solution or hopefully the seal OD is undersize then all you need is a new seal.