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fz07fanboy

Slipper clutch

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fz07fanboy
I've been inquiring about a slipper clutch for the FZ since early last year. I just recieved an email from hard racing.com that they've arrived and are now being sold. Just wanted to inform everyone that may have been interested sure how as myself.

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Allan
How much? Do you have a link?

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so1102
I saw someone selling one and I think it is in the $900 USD range

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Allan
Do you plan on getting it?

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fz07fanboy
As of right now its not on my list. At the time I inquired about it early last year, I was ready to purchase on the spot. Since then I've had other priorities

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detours
My wife just bought a Triumph Street Twin, and I am seriously jealous of her slipper clutch. Makes the bike so much friendlier in town.
 
So I started looking into slipper clutches for the FZ-07 and found these:
 
[ul type=disc][*]Yoyodyne - http://www.yoyodyneti.com/product-p/t22603.htm[*]- $750 shipped - Biohazard Cycles[*]- $785 - http://www.superbikeunlimited.com/presta/sportbike-intake-and-engine-parts/1440-yoyodyne-yamaha-fz-07-slipper-clutch.html
[*]TSS - http://www.ebay.com/itm/272008163992[*]Suter - http://www.suterproducts.com/suter-motorradzubehoer/suterclutch/suterclutch-yamaha-mt-07.html[*]Sigma - http://www.ebay.com/itm/231779717245[/ul]
I'm leaning toward the Yoyodyne because of price and US availability. But is there a reason to get one of the others instead? I use my FZ on the street and on 3-4 hour mountain/canyon rides, but I don't think I'll ever track it. 
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hamster
My wife just bought a Triumph Street Twin, and I am seriously jealous of her slipper clutch. Makes the bike so much friendlier in town.  
So I started looking into slipper clutches for the FZ-07 and found these:
 
[ul type=disc][*]Yoyodyne - http://www.yoyodyneti.com/product-p/t22603.htm[*]- $750 shipped - Biohazard Cycles[*]- $785 - http://www.superbikeunlimited.com/presta/sportbike-intake-and-engine-parts/1440-yoyodyne-yamaha-fz-07-slipper-clutch.html
[*]TSS - http://www.ebay.com/itm/272008163992[*]Suter - http://www.suterproducts.com/suter-motorradzubehoer/suterclutch/suterclutch-yamaha-mt-07.html[*]Sigma - http://www.ebay.com/itm/231779717245[/ul]
I'm leaning toward the Yoyodyne because of price and US availability. But is there a reason to get one of the others instead? I use my FZ on the street and on 3-4 hour mountain/canyon rides, but I don't think I'll ever track it. 
 
 
Just wondering, any updates here? :)

Safe riding!

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ddog
@hamster I've just finished installing a yoyodyne slipper I purchased from Paul (user:pgeldz) at @bellissimoto. He has the same slipper installed on his bike for some time now, so he's a great resource for any questions.
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bellissimoto
@hamster I've just finished installing a yoyodyne slipper I purchased from Paul (user:pgeldz) at @bellissimoto . He has the same slipper installed on his bike for some time now, so he's a great resource for any questions.
@ddog, have you had a chance to ride with it?  How do you like it? 
:)
 
- Paul
 
www.bellissimoto.com

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ddog
@hamster I've just finished installing a yoyodyne slipper I purchased from Paul (user:pgeldz) at @bellissimoto . He has the same slipper installed on his bike for some time now, so he's a great resource for any questions.
@ddog, have you had a chance to ride with it?  How do you like it? 
:)
 
- Paul
 
www.bellissimoto.com
 
 
I have not had a chance to ride with it yet, unfortunately. Ordering the clutch cover gasket slipped my mind so I'm waiting on that. I did manage to get the new bars put on and paint the center tank panel. I should have everything done today except the gasket.
 
The install on that slipper isn't too bad either, took about 2 hours.

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bellissimoto
@ddog , have you had a chance to ride with it?  How do you like it? 
:)
 
- Paul
 
www.bellissimoto.com
I have not had a chance to ride with it yet, unfortunately. Ordering the clutch cover gasket slipped my mind so I'm waiting on that. I did manage to get the new bars put on and paint the center tank panel. I should have everything done today except the gasket.
 
The install on that slipper isn't too bad either, took about 2 hours.
Sweet!  Let me know what it's all set up.  Looking forward to your feedback :) 
- Paul
 
www.bellissimoto.com

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darthyam
still interested in your feedback :D

"Racing is life. Anything before or after is just waiting."
 
-Steve McQueen

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ddog
still interested in your feedback :D
 
The last plastics I'm waiting on are arriving today, so I should be able to take her for a spin either today or tomorrow. I'll let you know then!
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ddog
@darthyam I got the parts in late so I wasn't able to test ride today, but I will be doing that next week for sure.
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markstertt
Also interested in your feedback...

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pgeldz
I posted this a while back about the Yoyodyne Slipper Clutch after my first ride with it:
 
 

During my brief operational run this morning, I'll say this...it WORKS.  Does a great job of NOT locking the rear wheel if you're not perfectly rev matching on down shifts. 
I got it to lock up the rear wheel once, but that was on purpose to see how far I could take it..and I'd NEVER do it under regular circumstances.  In the instance where I got it to lock up, I went from 4th to 1st and let the clutch out completely at like 6,000rpm.  It locked a little, but it was still controllable, and when the revs came down the clutch did it's thing and saved me.
 
Upon aggressive downshifts when the slipper is doing its thing, you do feel a little vibration in the clutch lever and a small pop sound, but my installer told me this was normal for this type of clutch, and Andy of AP MotoArts confirmed it so all is good.
 

 
Once the clutch wore in, either the vibration at the lever and pop sound went away, or I just don't notice it anymore ;)
 
Either way, after installing the slipper clutch, I just can't see myself ever having a bike without one. I got it for the track, but the same benefits apply equally to street users. I can definitely see it being a safety thing during street use in the rain, since it'll tame the rear end on aggressive downshifts..
 
:)
 
- Paulie

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markstertt
Thanks Paulie, sounds like something that would be fun to have, we'll have to see what ddog thinks about his.
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ddog
I was able to go for a short test ride today, only for about ten minutes after a good wash. I felt like my shifts required a little more force than usual, but I haven't ridden in months so I may be mistaken. More testing probably tomorrow. I did like the smoothness of the downshifting. Rev matching clutch-less downshifting has a wider smooth-shift RPM range.
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markstertt
Glad to hear you got a ride in, will be curious as to your thoughts after you put some miles on it, thanks for response.

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darthyam
thanks for your input. time to start saving pennies.
 

"Racing is life. Anything before or after is just waiting."
 
-Steve McQueen

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ddog
Update: went out for more extensive testing yesterday. The shifts don't seem to be as hard as I initially thought (as far as force required to move the shifter lever), and the smoothness of shifts is still great. I did notice the clutch lever "pop" feel that @pgeldz mentioned before, and it's rather minimal, not bothersome or jarring at all.
 
What I did not care for was dropping from 5th back down to 4th a couple seconds after what seemed to be a successful upshift, which happened twice during the course of an hour. Luckily the slipper engaged both times and I didn't have a lockup. It was a bit troubling, but may have just been caused by short shifts. I'm going to adjust the shifter lever down a little to make it easier to upshift and pay close attention to this gear change on future rides to see if I notice anything recurring.
 
So far I'm still very pleased with my purchase. Hopefully getting things a little more broken in and dialed in ergonomically will alleviate any odd behavior.

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bellissimoto
@ddog,
 
That minimal clutch lever "pop" feeling has reduced drastically as I racked up more miles on it...
 
:)
 
- Paul

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