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 Average miles for clutch on street bike? 
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Joined: Tue Nov 17, 2015 10:11 pm
Posts: 138
Just replaced the chain and sprockets again after hitting just over 20,000 miles on my 2013. It got me thinking, what is the average clutch life for a strictly street bike? I would say we ride "spirited". I never ride the clutch, I get off of it very quickly when taking off. But I do use the clutch for every shift. I dont feel any signs of slipping or anything like that. But I also dont want it to get to that point. I have a stock clutch with the Brocks clutch mod. What do you guys think? Thank you


Fri Jan 12, 2018 9:34 pm
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Joined: Sun Jul 14, 2013 9:21 pm
Posts: 291
I'd describe my riding just as you described yours. I'd estimate that half of my 50,000 miles are highway miles with almost no clutch use but the bike has some urban commuting miles on it too. I have used the clutch hard on several occasions but nothing like drag launches. I believe I have only clutch wheelied a couple times. Tires last me insanely long, so much so that I still find it economical to run soft race tires on the street. I changed my brake pads, chain and sprockets all around 20k like you and the chain and pads needed it.

My clutch has been all stock. I just had my clutch pack out last winter and the fiber pads were down to 25% of specced thickness. I don't know if that equates to 25% more miles. Obviously I don't want to run it down to the steels but it does not slip now so I left them in since I do not put as many miles on the bikes anymore. I'd say, plan on replacing fibers at 50k miles.


Sat Jan 13, 2018 9:19 am
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Joined: Sun Jul 14, 2013 9:21 pm
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Use a set of OEM fiber plates to replace the worn ones. It's doubtful the steels will have any wear but you may need to buy a couple of different thickness to adjust the clutch pack height.





http://zx14ninjaforum.com/messages.cfm? ... BA6&page=1 <<CLUTCH INSPECTION TUTORIAL


Sat Jan 13, 2018 9:26 am
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Joined: Tue Nov 17, 2015 10:11 pm
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Thanks Rook. You are akways willing to jump in and help. If you have any interest i have a few sprockets that will fit your wnd gen busa. Im pretty sure i have a 44, 42 and one more i believe. They are in good or like new condition. You are welcome to them if you wanted them. Dont need anything for them other than shipping.


Sat Jan 13, 2018 10:10 am
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Joined: Sat Jan 19, 2013 2:36 pm
Posts: 3028
Location: Dallas Texas
I'd leave the clutch alone till you notice some slippage.

wee


Sat Jan 13, 2018 5:34 pm
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Joined: Sat Jan 19, 2013 2:35 am
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Location: Saint Petersburg FL
A friend of mine with a 2012 that just street rides and top end pulls to 190 MPH with his friends ... 75000 miles on the stock clutch and still going strong .. :vroom:


Sat Jan 13, 2018 7:39 pm
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Joined: Tue Nov 17, 2015 10:11 pm
Posts: 138
Thanks guys, that is awesome!! This bike just keeps impressing me!


Sat Jan 13, 2018 10:34 pm
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Joined: Sun Jul 14, 2013 9:21 pm
Posts: 291
Quote:
If you have any interest i have a few sprockets that will fit your wnd gen busa.


I'll take them! I'll send you a PM.


Sun Jan 14, 2018 10:22 am
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Joined: Sun Jul 14, 2013 9:21 pm
Posts: 291
Thanks, Cbibb! I'm so glad they are aluminum! I like the recessed middle on the 42T. Do you know what brand of sprocket that is? Nice weight reduction. I will save that one for top speed runs. The 44 T has seen better days but it will be great to have it for tests if I gear lower. I'm thinking 17/45 like my 14 has is about perfect.

Got your address and postage fee is on the label. I'll send you a check directly.

Thanks, dude!


Mon Jan 22, 2018 4:06 pm
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Joined: Tue Nov 17, 2015 10:11 pm
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Got the check today :bigthumb: If I remember correctly the 42 tooth is a JTI. I do believe the brand is stamped on the sprocket. Good luck!


Fri Feb 02, 2018 11:02 pm
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