justscootin
Member
The difference of the numbering is from 1-4 the arc increases. At 75000km I was not able to fit #4 as over time the chain is stretching less.Can any one explain the difference between the different numbers/stages? I was told by BMW that I need to change the chain rail to #2 but not sure what the differences are
One last tip if you do your own work, don't buy a gasket for the crazy money just buy a silicone gasket cement.
Easy to apply just run a bead on the casting where the gasket was.
Peels off when you open it up a a later date.
I have not had any leaks after 50000 km on the rear drive.
About $7
When I restored my isetta I did the same thing on the rear drive (yes it is a chain in an oil bath) and transmission
When I worked on my K75 same thing
Never had leaks