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Clutch disk construction

S

silvergoose

Tuned and Synch'ed
Joined
May 25, 2010
Messages
50
Location
Ft Smith, Ar.
While at 13000+ miles I am not looking to replace a clutch disk soon I would like to know about the construction. I have been on the planet for a long time and have even seen a clutch disk, but it seems that of the two construction methods, Bonded or rivet. Beside the obvious rivet heads cutting into the pressure plate face as the clutch wears, what other factors come into play? Some people say the feel is different and the take up different and other stories from the back room.

Is their any difference in performance and life? Howabout clutch material? Puck vs full face?

Thanks
 
Puck discs in the commercial & heavy truck industry were common. They have also been used for racing in both bikes and cars. They tend to be grabby and engage quickly and a lot of that has to do with the pressure plate also. Unless racing you won't like it because being able to slip the clutch is important.

Many riders may not be aware of how often they "slip" the clutch in daily riding. Starting off going uphill, u-turns in parking lots, slow march on gravel roads. When teaching a new rider it is one of the hardest things to teach but until they learn it they will always have trouble controlling the bike.

Riveted or Bonded? I'm not sure if you get that choice with a Guzzi but in cars I've used both and bonded always seemed to be a little softer material for smoother operation and lasted a good amount of time.

My Vote: Bonded
 
Trout said:
Riveted or Bonded? I'm not sure if you get that choice with a Guzzi but in cars I've used both and bonded always seemed to be a little softer material for smoother operation and lasted a good amount of time.

My Vote: Bonded
Click to expand...

The older Guzzis with the twin plate clutches are riveted. They are just right as far as engagement.
You can get bonded plates from Sureflex for them. They are very grabby.
I don't think bonded versus riveted has anything to do with it.
 
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