UK Monster Owners Club Forum » .: Technical :. » Engines, Clutch, Gears » Cambelt tensioner bearings

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Old 26-02-2020, 05:10 PM   #16
Dukedesmo
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Quote:
Originally Posted by Flip View Post
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.
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Old 26-02-2020, 08:33 PM   #17
Flip
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Quote:
Originally Posted by MotoNik View Post
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.



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Originally Posted by MotoNik View Post
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.


Quote:
Originally Posted by Dukedesmo View Post
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.
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