A burnt clutch in a few hundred miles - how can that happen??


7 replies to this topic
  • Suikerland

Posted March 30, 2008 - 11:54 AM

#1

Got a new clutch in my 650R in about October last year.

Since then did a few weekend rides - 40 - 50 km to get to dirt, then maybe 50 km in dirt (desert stuff) each time.
Plus occasional short street ride.
Bike was standing for 1 month during February while I was on holiday.
So that's maybe 4 months, total of maybe 400 - 500 km, half in dirt.

After this, my new clutch is slipping, I open it up and find its burnt out. What the heck! How can this happen?
Anyone ever burn a clutch after such a short time?

  • Maroast

Posted March 30, 2008 - 12:03 PM

#2

Yikes. What kind of clutch did you put in? Honda? Or something else?

I ride my bike pretty much 5-7 days a week on and off road...I use my clutch A LOT, and it is finally shot after about 1.5 years of use!!! I don't race, but I'd like to think that I ride this thing fairly hard.

  • martinfan30

Posted March 30, 2008 - 12:14 PM

#3

Did you replace the springs? Was the cable adjusted too tight?

  • Suikerland

Posted March 30, 2008 - 03:56 PM

#4

It was OEM honda clutch, springs replaced.
A too-tight cable is the only thing I can think of - that I was riding with the clutch constantly partially-disengaged and maybe over-revving to compensate and didn't notice it.
Sounds weird but I can't think of any other way that a clutch could burn out so fast. lesson - keep some free play in the clutch cable!!

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  • RyanWilliamCantrell

Posted March 30, 2008 - 04:11 PM

#5

Bummer, man... what type of oil are you running?

  • Suikerland

Posted March 30, 2008 - 08:53 PM

#6

oil is Mobil Racing 4T (synthetic)

  • resurrection

Posted March 31, 2008 - 03:36 AM

#7

Does this oil have friction modifiers?
Did you soak plates ?
Are plates properly criss crossed,steel/fiber/steel/fiber?
Does basket have notches that may hold up complete movement?
cable to tight?
I can't think of much else good luck.
PS
Check the end plate cap and that it is completly seated against the last plate. with good spring tension.

  • Motosprtman

Posted March 31, 2008 - 05:51 AM

#8

do you use the clutch alot off road to prevent excessive wheel spin, if so that eats em up fast.





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