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Post by gunzen on Feb 23, 2011 2:06:46 GMT
So in the process of rebuilding this bike, I decided to rebuild the clutch master and slave. The master is done, and the slave definitely leaks. The problem is that the kits do not come with instructions. So i go to the Clymers, which shows a pic, but it isn't clear. When I took mine apart, i did not see the rubber washer on the end of cylinder when i took mine off. I have an 86. perhaps the guy who rebuilt it before did not install it, or is it and extra part for other models. I am going to assume I got the other parts right. And should i lightly sand the sediments around the cyliner (what grade paper?) so it is smooth. I just want to make sure i got it right. Thanks for your help. so the washer with the 8 on the pic, that definitely goes on the end on that model? I swear there wasnt one on there when i took it off.
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Post by anoldmanreturns on Feb 23, 2011 14:40:28 GMT
failed
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Post by gunzen on Feb 23, 2011 18:11:03 GMT
yeah, those arent too clear
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Post by fz750horse on Feb 23, 2011 19:52:32 GMT
FZ clutch slave cylinders are a pain in the arse - I've rebuilt mine four times that I can remember, and I have a complete slave assembly and a new set of seals permanently in the box of spares I carry to race meetings! The problem seems to be that the DOT 4 absorbs water which then sinks to the slave and causes corrosion. I completely change the fluid every year but the seals still give up without warning every so often - I've got Thunderace springs in the clutch which probably doesn't help. I'm in the process of gathering bits for a cable clutch conversion - if it works I'll post pictures. I've only ever had 2MGs but I don't recognise the small seal, the kits I've used had a large V seal, a dust boot and nothing else. I'd scrape the cylinder bore with a bit of wood or plastic and then rub it with 1200 grit. If it's pitted you'll need a new one. You'll probably need to crack the banjo union at the master cylinder and bleed it there when you refill the system. Good luck. Horse
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Post by gunzen on Feb 25, 2011 0:52:09 GMT
I wound up using a dremmel with plastic bristles and some rubbing compound to clean the cylinder/piston. put it all together and took er for a spin. ran pretty damn good. brakes kinda vague, not a precise as my brembos on the ducati. They might be glazed. I bled them and changed the fluid. The pads looked like they had lots left, but they might be hardened. Might get the rotors turned. anyway, here is a pic. minus one mirror cause they shirted me a bolt at babbits.com
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hawky
New Member
Posts: 39
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Post by hawky on Feb 25, 2011 21:53:02 GMT
Thats a clutch pushrod seal .comes with most kits!! i've just had all mine apart and rebuilt slave bunged a 996 duke m/cyl on aswell only to find the std line was faulty..managed to have a duke kevlar line lying around so all good now ;D i tend to use silicone fluid as great with heat range and less water absorb so great with rubbers/seals
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Post by Graham on Feb 26, 2011 0:02:38 GMT
Thats a clutch pushrod seal .comes with most kits!! I knew I had seen that seal somewhere before but couldn't place it to save my life! Obvious now. Nice one Hawky.
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