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XV250 (clone) clutch plate question

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XV250 (clone) clutch plate question

PostAuthor: ChopperCharles » Sat Sep 28, 2019 7:21 pm

In the XV250, there are five friction plates. Four have a narrow band of friction material and a larger inner diameter. The last plate, on the outside and sitting against the pressure plate, has a smaller inner diameter and a wider band of friction material.

So my question is...

1. What is the benefit of running four narrow and one wide plate?
2. Would running five wide plates give me a stronger clutch?


Background: I'm 250 lbs and I put a hurting on that clutch, treating every stop light as a timing tree. Every take-off is a WFO drag launch with lots of clutch slip.

I just received my barnett plates, but before I soak them up and put them in I was wondering if I should send back the four narrow plates and put in all wide plates.

Thanks.


Charles.
Last edited by Jake on Mon Sep 30, 2019 5:43 am, edited 2 times in total.
Reason: Moved to Yamaha Virago clone bikes Quinjang Lifan Delta

ChopperCharles
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Re: XV250 (clone) clutch plate question

PostAuthor: Arjay » Sun Sep 29, 2019 7:58 am

I wonder if the wide ones will fit where the narrow ones go. If so, why not, extra contact area means more grip. Or maybe the area available is same because of metal plates design. You might also consider new springs.

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Re: XV250 (clone) clutch plate question

PostAuthor: ChopperCharles » Sun Sep 29, 2019 6:22 pm

After talking to a motorcycle mechanic, the reason for having the smaller plates is because the clamping force provided by the stock springs is too little to support larger plates with more friction area. They would slip without stronger springs.

They will physically fit, not a problem with that. And Barnett springs might be powerful enough to support all wide plates, but I just put it together with a barnett kit with the narrow plates and one wide plate. So far I'm greatly enjoying it. And barnett springs. Those springs make a HUGE difference.

Charles

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