worntorn
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- Joined
- Dec 22, 2006
- Messages
- 7,947
My 650ss lost the clutch cush when I fitted a Newby belt drive and clutch to it.
Though I would be happy to have a cush in there somewhere, it doesn't at present and I cannot distinguish any difference in riding it with Newby no cush vs stock cush.
I guess there is one difference, the clutch doesn't slip now. Also, it is ten pounds lighter and doesn't leak oil from the primary.
Some say the belt gives a bit of cush, some say not. I would guess that the belt doesn't offer much cush, if any.
I haven't run that bike far enough to say it's absolutely fine without cush.
Re the mention of MK3 conical with its big fluffy cush and disc brake.
I have run that setup very hard in the mountains and there was no problem with the cush overheating.
On one switchback I lost the front brake completely to heat ( stock setup, pre Madass) and prayed that the rear would hang in there.
This is quite a different thing from a drum and cush that Ludwig posted about.
The heat ransfer from the MK3 air-cooled rotor into and across the conical drum then into the cush would be negligible. I think you could have the pads red hot and still put your hand on the cush.
I can see where with the drum it's a totally different scenario.
Glen
Though I would be happy to have a cush in there somewhere, it doesn't at present and I cannot distinguish any difference in riding it with Newby no cush vs stock cush.
I guess there is one difference, the clutch doesn't slip now. Also, it is ten pounds lighter and doesn't leak oil from the primary.
Some say the belt gives a bit of cush, some say not. I would guess that the belt doesn't offer much cush, if any.
I haven't run that bike far enough to say it's absolutely fine without cush.
Re the mention of MK3 conical with its big fluffy cush and disc brake.
I have run that setup very hard in the mountains and there was no problem with the cush overheating.
On one switchback I lost the front brake completely to heat ( stock setup, pre Madass) and prayed that the rear would hang in there.
This is quite a different thing from a drum and cush that Ludwig posted about.
The heat ransfer from the MK3 air-cooled rotor into and across the conical drum then into the cush would be negligible. I think you could have the pads red hot and still put your hand on the cush.
I can see where with the drum it's a totally different scenario.
Glen