Originally Posted by
Johno59
The only grease necessary is on the caged ball bearings. The inner gears, springs, shafts, driver and clutch don't function properly if grease gets on them. So less is more where grease is required. Under no circumstances put heavy oil or grease down the filler hole.
Correct - with exception to "00" grade grease - and only "00" grade. This is the stuff used in the current Sturmey hubs, and it's unbelievable. Smooth as silk, quiet as a whisper.
The hub
must be opened up and cleaned of all other fluids if one does this though. No other way. But if someone has put the wrong thing down the filler hole...might be required anyway.
-Kurt