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Discussion Starter · #1 ·
ciao a tutti -

with a little over 7,000 miles on the DP strada slipper clutch (bucci version) on the hypertard, i have now gone through 2 sets of DP clutch packs (friction and drive plates).

so, i am wondering if anyone else has similar experience with ramp style slipper clutch on a hypertard ... i know the clutch pack takes much more abuse on a slipper, as each time a downshift occurs, the clutch pack takes a hit.

i am seriously considering going back to the stock clutch hub, to get more life out of a clutch pack ... i used to get 15,000 out of stock clutch setups on previous ducs i have owned.

then again, perhaps i will simply shell out for a new clutch pack every 3,500 miles, and enjoy being able to downshift with reckless abandon :D
 

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any way to treat it "better"? I have a slipper on my hyper and was wondering about same thing. if I match revs does it still take a "hit"?
 

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ciao a tutti -

with a little over 7,000 miles on the DP strada slipper clutch (bucci version) on the hypertard, i have now gone through 2 sets of DP clutch packs (friction and drive plates).

so, i am wondering if anyone else has similar experience with ramp style slipper clutch on a hypertard ... i know the clutch pack takes much more abuse on a slipper, as each time a downshift occurs, the clutch pack takes a hit.

i am seriously considering going back to the stock clutch hub, to get more life out of a clutch pack ... i used to get 15,000 out of stock clutch setups on previous ducs i have owned.

then again, perhaps i will simply shell out for a new clutch pack every 3,500 miles, and enjoy being able to downshift with reckless abandon :D
John,
I know you put some miles, but you're a pretty cool and calm rider and you don't do track days. I don't see you banging 3 gears down on hard breaking before corners. I would say either the thickness setup is not right, or that old slipper technology simply sucks. When I get a slipper clutch, I will probably get the EVR Clutch CTS (like Peter). I know the replacement pack is more expensive but the technology seems much better.
Christian.
 

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I have an EVR... I can definitely feel it "click" when I switch gears... is this normal? Previous question still stands also thank you.
 

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I have 3600 miles on a ramp style stm with the original clutch pack except one steel was changed out for the correct stack thickness. So for so good no slipping but time may tell.
 

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11,XXX miles on my EVR slipper clutch on my 1098 and counting - everything, including plates, is still original.

As for hearing a click - they do that sometimes, depends on how you ease, or bang your shifts I think. Meet me at the start of highway 28 in Walhalla and I test her out for you.
 

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Discussion Starter · #7 ·
ok, gathered sharers of wisdom ... the friction plates are still within spec, per the DP bucci slipper manual, but the drive plates are really glazed.

what are you using/doing to clean off the "glaze" that occurs on the drive plates?
 

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ok, gathered sharers of wisdom ... the friction plates are still within spec, per the DP bucci slipper manual, but the drive plates are really glazed.

what are you using/doing to clean off the "glaze" that occurs on the drive plates?
I glazed up my Barnett plates real bad after a track day a while back, the tech people at Barnett told me to "lightly" sand the friction plates on a flat surface with #220 wet N dry sandpaper, just enough to remove the glaze, then I spray them down with a can of Brake Kleen from my local autoparts store, good as new! Aloha Alex
 

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Discussion Starter · #9 ·
grazie mille alex ... now all i have to do is find a granite tabletop and i am set ;)

I glazed up my Barnett plates real bad after a track day a while back, the tech people at Barnett told me to "lightly" sand the friction plates on a flat surface with #220 wet N dry sandpaper, just enough to remove the glaze, then I spray them down with a can of Brake Kleen from my local autoparts store, good as new! Aloha Alex
 

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All joking aside, I take my metal plates and step on them on a concrete floor, flip and do the other side.

Knocking wood, I have been doing this with my race bikes since 1989 and have never run into any problems.
 

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11,XXX miles on my EVR slipper clutch on my 1098 and counting - everything, including plates, is still original.

As for hearing a click - they do that sometimes, depends on how you ease, or bang your shifts I think. Meet me at the start of highway 28 in Walhalla and I test her out for you.
I'm pretty careful as I shift.. will call ducshop to ask. definitely open for a ride... didn't know bellisimoto moto was here in the SE. Leaving tomorrow with a buddy for 2 days riding and will hit up 28 for sure. is your store close to some twisties? we can stop by
 
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