Cambelt tensioner bearings

[Flip]

Originally Posted by Dukedesmo

For the sake of £4 each I changed them all whilst there along with new belts, I used C3 bearings as I think it's best due to the heat and dry environment.

I also bought an extra bearing as the same type is used in the clutch pressure plate...

Yes I changed my clutch pressure plate bearing too but that’s not a C3 spec as apparently it runs cooler- I do have an open cover though.

MotoNik- have you changed the fixed bearings as well and you manage to get the tensioner ones off their brackets okay?

Apparently if you order the tensioner bearings from Ducati they are supplied on the brackets and as one large bearing the same as the fixed ones as opposed to two bearings fitted on the shaft. Ridiculous money though obviously!

[MotoNik]

Originally Posted by Flip

Yes I changed my clutch pressure plate bearing too but that’s not a C3 spec as apparently it runs cooler- I do have an open cover though.

MotoNik- have you changed the fixed bearings as well and you manage to get the tensioner ones off their brackets okay?

Apparently if you order the tensioner bearings from Ducati they are supplied on the brackets and as one large bearing the same as the fixed ones as opposed to two bearings fitted on the shaft. Ridiculous money though obviously!

Not actually checked the fixed bearings to be honest - I'll look at them tonight. Ducati don't supply the tensioner arm anymore, only the bearings and associated hardware. I ordered the two bearings from Simply Bearings, and a new e-clip from Moto Rapido. I ended up getting the old bearings off with a really large hammer and some robust language. The result was I managed to close up the e-clip slot, although I've since rectified that with a Dremel.

With a bit of luck I'll have the new cambelts in tonight, and I'll be another step closer to getting the bike started!

[Dukedesmo]

Originally Posted by Flip

Yes I changed my clutch pressure plate bearing too but that’s not a C3 spec as apparently it runs cooler- I do have an open cover though.

I've always used C3 on clutches, not had a problem. I would think they run as hot as the belt tensioners as they're essentially part of the engine/heat sink, although an open cover will help.

For what they cost I treat them as a service item, replace every two or three years along with the belts.

[Flip]

Originally Posted by MotoNik

Ducati don't supply the tensioner arm anymore, only the bearings and associated hardware.

That's right, they only sell the complete assembly individually and then the same for the fixed rollers but they use the same type of bearings on the adjusters now instead of the doubled up bearings.

Originally Posted by MotoNik

I ended up getting the old bearings off with a really large hammer and some robust language.

Yep they are on there tight- I supported the old bearings on my bench vice and hit the shaft of the adjuster with a copper faced mallet until they were flush then swapped to a proper hammer and a piece of copper bar as a drift until they were off.

Originally Posted by Dukedesmo

I've always used C3 on clutches, not had a problem. I would think they run as hot as the belt tensioners as they're essentially part of the engine/heat sink, although an open cover will help.

For what they cost I treat them as a service item, replace every two or three years along with the belts.

I'm only going on what Stu at Exact-Fit said as he threw in a clutch bearing when I bought belts from him.

I'll have a look at the one I removed from my Ducati Performance pressure plate to see if there are any markings on it. It didn't feel like there was any play in it but it had never been changed so had done something like 25,000 miles.