Way more than that I reckon, mine does about 1/6 turn (a guess, but it's a fair bit). Then, the last half of the travel doesn't seem to do anything. Sounds like your cable's likely knackered, more than needing lubed...
__________________
"We are the angry mob,
we read the papers every day
We like what we like, we hate what we hate
But we're oh so easily swayed"
|