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Old 10-08-2009, 07:27 PM
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Default Slipper Clutch?

Anyone using this? Comments?
Clutches and Clutch Parts
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Old 10-08-2009, 08:03 PM
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I went with the yoyodyne.. it's decent, installed easy and you can always call Frank for help. 2200 miles of hard street riding and one track day without a problem..

Slipper and Lightweight Clutch
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Old 10-08-2009, 09:43 PM
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If you track the bike a lot, get it. Besides mag wheels, a slipper clutch was one of the best things I put on my bike(Track 996S, with a bad ass engine from Ducshop). They all work good(Simple concept). I have a STM EVO and have heard good things about EVR.

I do not have one on my street bike (S4RS), but I am also not dumping three gears and going from 150 to 40 MPH on a routine basis.....I don't think you need one for the street
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Old 10-08-2009, 11:09 PM
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Thanks.
My R is track only!
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Old 10-09-2009, 02:55 AM
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A big yes on slipper clutches...

But did your R came with one? The 749R did anyways...

I like the Yoyodyne unit for the money, or a Hinson for best feel. But the Yoyodne is the most affordable and requires the least attention.
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Old 10-09-2009, 06:08 AM
woodmanr woodmanr is online now
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I've run a ramp slipper (stock in 748R), an STM ball bearing slipper, and a Ducati Perfomance (Bucci slipper with Ducati Perfomance stamped on it). The STM and DP are ball bearing slippers. I strongly recommend them. Even if you aren't on the track, sometimes just a brain fart happens. I've switched my bikes over to GP shift, and every now and then, i'll shift the wrong way by mistake, and i'm glad i have that slipper. The ramps work fine in a situation like that, they do the job. The BB slippers are just smoother.

For me, it's an nice "put your mind at ease" piece of riding equipment for when do you do that "Oh Crap" moment. That' just my
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Old 10-09-2009, 08:23 AM
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Quote:
Originally Posted by TrickLidz View Post
Anyone using this? Comments?
Clutches and Clutch Parts
I think itīs too expensive. Look at ebay italy, I bought a ball bearing ramp style clutch for 350 Euros + shipping. NIB.

ducati frizione antisaltellamento e su eBay.it

Search for Ducati frizione antisaltellamento.
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Old 10-09-2009, 12:15 PM
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Quote:
Originally Posted by Ben710 View Post
I think itīs too expensive. Look at ebay italy, I bought a ball bearing ramp style clutch for 350 Euros + shipping. NIB.

ducati frizione antisaltellamento e su eBay.it

Search for Ducati frizione antisaltellamento.

Ben710 - I thought of buying the 4 spring one they sell but wasnt sure if it uses the OEM plates or where I would get parts incase something happens? They are priced decent thats for sure!
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Old 10-09-2009, 03:01 PM
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The yoyodyne is a ball and ramp design, parts are a snap to get, and you won't need any because it's a dead simple design.
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Old 10-09-2009, 03:01 PM
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Quote:
Originally Posted by CrimsonCloak View Post

But did your R came with one? The 749R did anyways...
The 996/998R's did not come with a slipper clutch.

I've been using a hybrid 48T Bucci/STM slipper and it has been superb. Coupled with a JHP quick shifter, I can concentrate on other things at the track that (hopefully) will help me go just a bit quicker.
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Old 10-09-2009, 03:46 PM
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I keep waiting for quick shifters to get a bit cheaper. I really want one, but dang $450?
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Old 10-09-2009, 04:44 PM
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Quote:
Originally Posted by viper1 View Post
Ben710 - I thought of buying the 4 spring one they sell but wasnt sure if it uses the OEM plates or where I would get parts incase something happens? They are priced decent thats for sure!
It uses the stock friction and Steel plates so no need for Special parts. I had a 4 spring corse style slipper. The Spring snapped at oschersleben. Got me a replacement from Guandalini racing which was fine.
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Old 10-09-2009, 05:51 PM
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Quote:
Originally Posted by drthompson65 View Post
I went with the yoyodyne.. it's decent, installed easy and you can always call Frank for help. 2200 miles of hard street riding and one track day without a problem..

Slipper and Lightweight Clutch
Do you mean Fred?
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Old 10-09-2009, 11:38 PM
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Thanks all, great replies. Winter project.
Just to confirm: 2003 999R did NOT come with slipper? (I bought my bike used)
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Old 10-09-2009, 11:48 PM
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Quote:
Originally Posted by Ben710 View Post
I think itīs too expensive. Look at ebay italy, I bought a ball bearing ramp style clutch for 350 Euros + shipping. NIB.

ducati frizione antisaltellamento e su eBay.it

Search for Ducati frizione antisaltellamento.
Thanks Ben,
But I don't understand Italian!!! Can you translate? Maybe you already have one and know about it.
US dollars? Shipping cost to US? Brand? You say they us the stock plates? Difference between 4 and 5 spring? Build quality? (if you know)
TIA
'Lidz
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Old 10-10-2009, 12:03 AM
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I admit I wasn't sold on a slipper for the street and I finally did it.. Wow! Like the thread says.. even if you brain fart and forget you run GP shift it makes all the difference in the world. I won't run without one now.
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Old 10-11-2009, 04:41 PM
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Quote:
Originally Posted by TrickLidz View Post
Thanks all, great replies. Winter project.
Just to confirm: 2003 999R did NOT come with slipper? (I bought my bike used)
No it didnīt. Only the 749R did.


Quote:
Originally Posted by TrickLidz View Post
Thanks Ben,
But I don't understand Italian!!! Can you translate? Maybe you already have one and know about it.
US dollars? Shipping cost to US? Brand? You say they us the stock plates? Difference between 4 and 5 spring? Build quality? (if you know)
TIA
'Lidz
Me neither
US Dollars -> find a conversion website.
Shipping -> ask the seller, he speaks english.
Brand? Dunno? In the end itīs all the same shyte, because itīs the Bucci/Ducati Performance design. Everyone copied it and put a stamp on theirs. The only differences might be materials used and stiffness of springs.
They do use stock plates. I have never seen a 12t clutch which did not use stock plates. Only the 48t clutches are different, obviously.
Difference between 4 and 5 is 1, but since 5 doesnīt exist and you meant 6 itīs 2. Seriously, it looks different. The 4 spring units should have stiffer springs because they have to create the same force as the 6 spring versions.
Build quality... guess mineīs alright. Not good, not bad, itīs a clutch and itīs gonna wear anyway.
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Old 10-12-2009, 06:54 PM
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Thanks Ben.
Was a long day....I practice math now!
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Old 10-12-2009, 08:46 PM
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The 4-spring corse clutches are the shyte!

I thought my Yoyodyne was good, but I could get it to lock if I got really sloppy. The Corse clutch tho... buttery smooooth. Just went to Carolina Motorsports Park for the first time this weekend. Got a little overzealous while learning the track and the clutch saved my ass on a couple occasions. As far as lovngevity goes... I'll have to wait and see; no problems with my Yoyodyne after 6K+ miles
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Old 10-12-2009, 09:14 PM
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That should all be down to the stiffness of the spider spring. If you slap the spider from your 4 spring corse clutch into your yoyodyne unit, you should see the same effect I think.
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