Clutch Replacement

I am knee deep in a starter clutch rebuild. I figured while I have it apart I might as well take a look at the slipping clutch problem I have had. It would slip mostly at high revs. If you are tractoring around it feels just fine. Once you get up over 7 grand the slip is pretty noticeable.
I pulled the clutch plates out and checked one of them. It seems to be within the limits. I had assumed I would be replacing the fiber plates but if they measure out OK should I be looking at the springs instead? The bike has about 19K on it and I am using Spectro Golden 10W-40. I have already gone thru the clutch adjustment procedure.
TIA,
Jim

I had the same problem and I replaced the springs, got them from Z1. They are heavier than stock. Your left hand will let you know this. Solved the problem for now but you probably will need to replace the fiber plates in the near future. Might as well do it all at once......Replace the clutch cable too. Those cables have a nasty habit of fraying inside the housing and prevent the clutch from releasing completely.....chris3

You might want to sandblast the steels before putting to back together with new springs, they do get glazed and allow the clutch to slip.

I'm surprised the fiber plates aren't glazed, since it has been slipping, and slipping equals lots of heat.

Check the steels for warping before sandblasting, no sense wasting your time sandblasting warped steels.

If you replace the fiber plates, use stock Kawasaki fibers, no sense wasting your money on aftermarket garbage.

GPzInfested's Turbo is putting about 140 hp through the stock (new) clutch now, he weighs ~260 lbs and is pulling the front wheel off the ground in third gear at 100+ mph :woohoo:

Thanks guys.
Coppertales, I was thinking I needed new springs. I checked Z1 but did not see any listed for my bike. I'll drop them an email. The cable and ramp mechanism was replaced recently.

Steell, To my untrained eye the fiber plates look pretty good. I am not surprised they are not burned since I rarely get up past 6500 rpm. They do however have some strange wear on the outside but they check out plenty thick. Maybe I'll take a pic and post it. If I do replace them I'll go with stock plates.
Thanks again,
Jim