My thanks to everyone that sent me a personal email about the
It's obvious now that they all have an upper sealed bearing with a
snap ring. It would be nice if the book or the parts illustration
made some mention to this and it would also be nice if they quit
telling us to grease bearings that can't be greased.
The upper bearing is readily available at you local bearing supply
for about 12bucks. I'm still trying to locate a new lower
bearing/race assembly but it looks like it can also be ordered
without going through triumph.
At least I will have the satisfaction of knowing that my lower
bearing will actually have grease in it, unlike the stock ones from
Triumph. Maybe that's why we have to tighten them every 3K and also
see so many posts about the common shake at 40mph. They don't have
any freaking grease in them!
Tim, the lower bearing assembly can't be replaced with a sealed unit
because the load on the bottom is vertical and the sealed bearing is
not designed for that. They can get away with this on the top because
what little load it takes is primarily a lateral force.
I truly appreciate everyone helping me to learn about this bike. I am
a pilot and I was an aircraft mechanic for 20 years. I have a strong
mechanical background but don't know much about motorcycles. This is
actually the first one that I have worked on.
2003 Trophy 1200