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Evill_Ed

R7 Slipper Clutch

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edisonwithMT07
Posted (edited)
On 3/9/2022 at 11:30 PM, Shyan said:

Mine just arrived.. took almost 6 days from Tokyo to my house directly.. Now waiting for clutch plate which I have order from my local dealer.

Hi, may I ask for your contact information for parts dealers in Tokyo?

 

Edited by edisonwithMT07

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Evill_Ed

I finally got to the track and had the chance to test the new slipper clutch. It works flawlessly. Worth every penny. 

A quick video of a lap.

Ed

 

  • Like 6

"Do not let this bad example influence you, follow only what is good" 

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kymanhalim
On 3/9/2022 at 11:30 PM, Shyan said:

Mine just arrived.. took almost 6 days from Tokyo to my house directly.. Now waiting for clutch plate which I have order from my local dealer.

IMG_8610.jpeg

Can you provide me the link to order the part from Yamaha japan?

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M. Hausknecht
Just now, kymanhalim said:

Can you provide me the link to order the part from Yamaha japan?

I know of no way to order parts directly from  Yamaha. Choices are buying through a Yamaha dealer or an on-line seller of OEM motorcycle parts. Many parts seem to have very limited availability. I've been waiting for the Yamaha clutch pack for a couple months now. Seller is now suggesting they'll have some on June 10.  We'll see.

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Shyan
On 6/2/2022 at 3:03 AM, M. Hausknecht said:

I know of no way to order parts directly from  Yamaha. Choices are buying through a Yamaha dealer or an on-line seller of OEM motorcycle parts. Many parts seem to have very limited availability. I've been waiting for the Yamaha clutch pack for a couple months now. Seller is now suggesting they'll have some on June 10.  We'll see.

You may order from Webike Japan as they will ship directly from Japan to your house..

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M. Hausknecht
Posted (edited)
Just now, Shyan said:

You may order from Webike Japan as they will ship directly from Japan to your house..

That isn't Yamaha. It is just another on-line seller of OEM parts but you can't see what they actually have in stock ready to ship. And it costs more for us folks in the US than several US-based sellers. But glad it works for you.

Edited by M. Hausknecht

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Shyan
Just now, M. Hausknecht said:

That isn't Yamaha. It is just another on-line seller of OEM parts but you can't see what they actually have in stock ready to ship. And it costs more for us folks in the US than several US-based sellers. But glad it works for you.

Yes.. I know you cant buy in Yamaha and they are 3rd party seller. They do have stock ready to ship else they will have let you know what is the waiting time.. (My case is they do not have stock but they do get me the stock within 2 days. As we all know everything is Made In Japan so they are pretty quick to arrange or order the parts.) 

As for the price, maybe some will be expensive but overall still in acceptable range :)

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jb.junior

A fellow Moto America racer used the stock R7 clutch, didn’t like it and is putting in a slipper. Are you still feeling yours is sufficient? 

Also, how “bad” is it to reuse the boss nut? I have a racer friend (and former mechanic) who says he does it all the time, and it’s fine. And I have another smart, reasonable mechanic telling me it’s catastrophe,for sure. 

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Evill_Ed
3 minutes ago, jb.junior said:

A fellow Moto America racer used the stock R7 clutch, didn’t like it and is putting in a slipper. Are you still feeling yours is sufficient? 

Also, how “bad” is it to reuse the boss nut? I have a racer friend (and former mechanic) who says he does it all the time, and it’s fine. And I have another smart, reasonable mechanic telling me it’s catastrophe,for sure. 

Not sure if you are asking me or not, but I like mine.It slips smoothly on down shifts and locks tight under acceleration plus it has a lighter pull at the lever. I'm not sure what more I could expect from it.

As for the nut, if you able to stake it is a new spot, reusing should not be an issue. If you are buying the parts anyway,  just order one (or more to have a spare) The nut itself won't fail, it is more about being able to stake it securely so it doesn't loosen during operation.  

 Ed


"Do not let this bad example influence you, follow only what is good" 

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jb.junior
4 hours ago, Evill_Ed said:

Not sure if you are asking me or not, but I like mine.It slips smoothly on down shifts and locks tight under acceleration plus it has a lighter pull at the lever. I'm not sure what more I could expect from it.

As for the nut, if you able to stake it is a new spot, reusing should not be an issue. If you are buying the parts anyway,  just order one (or more to have a spare) The nut itself won't fail, it is more about being able to stake it securely so it doesn't loosen during operation.  

 Ed

Glad to hear you like it.  I'm going to put a stock engine together and may give it a try.

I see.  Thanks for that.  I should have looked at the pictures and the manual more closely.  I wasn't aware  that it was the "stake" type, and not a triangular one-use type.  So yeah, can for sure reuse if you can "stake" it again.  Make sense..  (And actually, on an aftermarket clutch, it has its own type of nut anyway...)

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