Not really a mod at all, but still an important part to keep properly cared for. I was forced to replace mine. I found there to be a small bur in the metal speedo housing that really caused the problem... the plastic gear is the weakest link so it goes first!
The typical speedo gear problem.
'89 TA (and looking for another TA)
Van., WA USA
~Michael (of The Land of Misfit Land Rovers)
Had an Africa Twin and Transalp
X-Files Gov't Issue Sprinter TurboDiesel
Series IIA 109" Land Rover Deluxe Station Wagon
Washougal, WA USA