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Joined: Oct 02, 2006 Posts: 2051 Location: New Britian, CT
Posted: Sun Aug 07, 2011 2:43 pm Post subject:
If your clutch is slipping what would happen is when you change gears your bike would slow down then speed up. You would notice that it takes a while for it to go into gear when you change gears. What you may want to do is see if your carbs are out of sync, or there is a hole in one of the carb diagphrams.
Joined: Feb 04, 2007 Posts: 2366 Location: Moving to Granada Hills 818
Posted: Sun Aug 07, 2011 7:05 pm Post subject:
The easiest and cheapest fix is to put in a new set of clutch springs if you measured the friction discs and found they are still within spec and the steels are still good.
I just fixed a customer's CB750 clutch by doing just that, new springs and he is happy as a pig in shit because his bike is rolling as it should. _________________ Ray #1
71 CL350K3 Scrambler
79 CBX
10 VFR1200F
bakmanrayman [at] yahoo [dot] com fasterspider [at] gmail [dot] com
Joined: Oct 03, 2005 Posts: 1595 Location: Marshall, MI
Posted: Fri Aug 26, 2011 6:58 am Post subject:
Oh come on. Really. All of that effort to take apart the clutch. I have not known springs to relax back but hey, whatever. Highly not recommended but it may get you a couple more miles, who knows. _________________ You only go around once in life, but if you do it right, once is enough!
Joined: Dec 26, 2007 Posts: 1283 Location: Scottsdale, Arizona
Posted: Fri Aug 26, 2011 9:34 am Post subject:
Rizingson wrote:
Not real sure either, but maybe if you s t r e t c h them back to their original uncompressed height!!!
I realize you're kidding, but someone here may take you seriously. Use a couple of washers between the spring and bolt head to compress it for more strength, or install new springs. One thing I can guarantee - taking the load off a spring that's taken a compression set will not breathe new life into it.
davehayward1 wrote:
My '81 KZ 750 LTD "over revs" occasionally when I give it
the gas, and it takes a second or two for the bike to
speed up to catch up with the engine
Classic symptom of a slipping clutch. Put as much slack in the cable as you can at the handlebar. Then loosen the locknut at the clutch adjuster screw, and back the locknut off several turns. Loosen the screw till it turns freely, then turn it in till it bottoms lightly - make sure it's the screw that's bottoming, rather than the locknut. Back the screw off 1/2 turn from that point, then snug the locknut without allowing the screw to turn. Finally, adjust the free play at the clutch lever to 2 - 3 mm gap as measured between the lever body and lever perch. My opinion - If the clutch still slips, replace the friction plates and springs.
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