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Old 11-01-2010, 10:04 PM   #1
The Trav
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looking for some clutch insight...

07 gsxr 1000

so lately, my clutch has been getting pretty chattery, its dragging like a , and makes a really eerie shudder when you slip it to take off about 3k...

i pulled it apart and found 3 of the friction disks BROKEN in half-moon pieces, and 4 broken into thirds... WHAT THE FvCK?????

its my daily driver bike, new(ish) clutch, good clean repsol changed every 3k, no clutch up wheelies, no hard launches... i dont get it.

the bike is making more power than stock, but nothing crazy, and i do NOT abuse the clutch.

my question is this:

has anyone had this happen before?

could it be a faulty clutch (oem suzuki)?

what would you recommend?
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Old 11-02-2010, 06:52 AM   #2
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Thats odd
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Old 11-02-2010, 06:57 AM   #3
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Did you buy this bike brand new or second hand?

If you bought it used the original owner may ahve already replaced the clutch and used aftermarket parts.

Also, if the bike has sat for a long period of time the clutch plates can become brittle and break.

What type of oil are you using? Do the clutch plates have any signs of excessive heat? Glazing, or smell really burnt.

If you have one bad steel plate thats warped or bent it can casue the fiber plates to flex and crack. I'd check your metal plates and make sure they are in good shape.

Also, where the bad clutch discs in order, or where they staggered through out the clutch basket, Ex did you have bad fiber, metal, bad fiber, metal, or was it bad fiber, metal, good fiber, metal, good fiber metal, bad fiber?

Just a thought.
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Old 11-02-2010, 07:57 AM   #4
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hmm, i should probably take mine apart.... it feels like its something is dragging when i pull it in and start to decelerate.
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Old 11-02-2010, 08:38 AM   #5
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been seeing many gixxer problems lately.. but typical is the bike still under warranty? you can always drop it off at Motorcycles Unlimited and let them check it out
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Old 11-02-2010, 08:40 AM   #6
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sounds like they dried out or got to hot when not enough lube..... just my opinion... would need to see the steels... with that low mileage for a 07 doesn't surprise me though.. it sat for quite some time, thats why when people advertise oh its a 05 with only 1500 miles or 2006 with only 3k on it.... thats why its not always the best deal around just cause it has lower miles... big confusion there.... its a machine just like a car, if it sits and not maintained when it sits it will have issues when it is ran....
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Old 11-02-2010, 10:29 AM   #7
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It happens. You've said the bike has 200+ rwhp, that's about a 25% increase over stock. While you may not beat on it, I'd be willing to bet you don't drive it like a grandma either. With that much power and sticky tires, something's got to give.
I'd recommend removing the oil pan and getting all of the debris out of there.
Take a good look at the basket and hub for damage as well.
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Old 11-02-2010, 11:04 AM   #8
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thanks patrick, thats what i was thinking...

Yes, the bike did sit for a while, and no the plates were not pre-soaked before i started riding it.

A few of the steels are blue, but none are warped.

what would you recommend? (after thorough cleaning, inspection, etc...)

should i go back with OEM frictions, or try an EBC or BARNETT?

i already have heavy duty springs.
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Old 11-02-2010, 01:04 PM   #9
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Me personally, with the heavy duty springs you are already going to have enough clamping force, I would go with stock clutches for a couple of reasons.

1) stock clutch plates are cheap
2) something has got to give with that much power, I'd rather replace stock clutches instead of tranny gears, out put shafts, chains sprockets.
3) I'd rather burn through a stock clutch pack as opposed to a high dollar aftermarket, just me being a cheap .
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Old 11-02-2010, 01:06 PM   #10
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stop revving up to 3k and sliding the clutch, hmm no excessive friction and hence no excessive heat build up, if the plates are blue from heat guess how it got there
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Old 11-02-2010, 01:09 PM   #11
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OEM.
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Old 11-02-2010, 02:10 PM   #12
The Trav
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Quote:
Originally Posted by JP171 View Post
stop revving up to 3k and sliding the clutch, hmm no excessive friction and hence no excessive heat build up, if the plates are blue from heat guess how it got there
no, jackass. i meant if you try and take off at any decent rpm (leaving hard from a light).

typically i am very soft on the clutch and let the power take over after i take off. i dont need to slip it very much.

patrick, thank you.
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Old 11-02-2010, 03:29 PM   #13
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Quote:
Originally Posted by The Trav View Post
thanks patrick, thats what i was thinking...

Yes, the bike did sit for a while, and no the plates were not pre-soaked before i started riding it.

A few of the steels are blue, but none are warped.

what would you recommend? (after thorough cleaning, inspection, etc...)

should i go back with OEM frictions, or try an EBC or BARNETT?

i already have heavy duty springs.
Put a Cycle Concepts Drag Pak in there and some heavy duty clutch springs in it and let it eat.

Thats what i run in my Hays Convertible Clutch, i have it in slider mode and its still holding up, even riding it back.

Ive seen you on psychobike so you should be able to get a hold of dwayne at Cycle Concepts. Dwaynes a cool dude, give him a call and he will hook you up.
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Old 11-03-2010, 10:01 AM   #14
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thanks chris, ill give dwayne a call. for now, i snagged the clutch out of a spare bike. but im sure this is bound to happen again. ill probably do the oiling mod (drill clutch basket), and put a drag pak in it. i just really want it to behave just like an OEM clutch.
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Old 11-03-2010, 10:12 PM   #15
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Quote:
Originally Posted by Patrick View Post
... You've said the bike has 200+ rwhp, that's about a 25% increase over stock. While you may not beat on it, I'd be willing to bet you don't drive it like a grandma either. With that much power and sticky tires, something's got to give. ....
Patrick,
I think you may be on to something. I don't think he treats it very nicely.

Maybe a bit more love is needed.
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Old 11-04-2010, 12:29 PM   #16
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Quote:
Originally Posted by The Trav View Post
thanks chris, ill give dwayne a call. for now, i snagged the clutch out of a spare bike. but im sure this is bound to happen again. ill probably do the oiling mod (drill clutch basket), and put a drag pak in it. i just really want it to behave just like an OEM clutch.
It behaved (for me) like a OEM clutch when i had my bike set up with a stock clutch, but lasted way longer. Should work great for you
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