master cylinder disassembly problem - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 5 (permalink) Old 08-27-2011, 10:22 PM Thread Starter
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master cylinder disassembly problem

Hey guys,

I'm new here being I recently acquired a '85 Vulcan 700. The hand brake wasn't returning all the way (so the brake light stayed on). Web search shows the piston is stuck. So I'm trying to break it down to clean it up and rebuild if necessary.

So I pull the master cylinder off my bike. I remove the white plastic retainer. Get the dust boot off and I see this (see pics). I was expecting a snap ring clip but is this part of the master cylinder housing? is there anything to remove here or now I just pull the piston out now?

I have a Clymers manual on the in the mail but I'd appreciate any and all advice.

https://picasaweb.google.com/lh/phot...eat=directlink

https://picasaweb.google.com/lh/phot...eat=directlink

'85 Vulcan 700
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post #2 of 5 (permalink) Old 08-28-2011, 01:11 AM
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Welcome to the Vulcan madness primerib.
I can`t help you with the MC as I have never worked on one.
But someone will show up soon who can answer your questions.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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post #3 of 5 (permalink) Old 08-28-2011, 02:05 AM
..have a vulcan good day!
 
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Quote:
Originally Posted by primerib View Post
Hey guys,

I'm new here being I recently acquired a '85 Vulcan 700. The hand brake wasn't returning all the way (so the brake light stayed on). Web search shows the piston is stuck. So I'm trying to break it down to clean it up and rebuild if necessary.

So I pull the master cylinder off my bike. I remove the white plastic retainer. Get the dust boot off and I see this (see pics). I was expecting a snap ring clip but is this part of the master cylinder housing? is there anything to remove here or now I just pull the piston out now?

I have a Clymers manual on the in the mail but I'd appreciate any and all advice.

https://picasaweb.google.com/lh/phot...eat=directlink

https://picasaweb.google.com/lh/phot...eat=directlink
PrimeRib, I had the same problem on my 86, I disassembled the MC as you have, cleaned that area up, used brake fluid around and worked piston in/out till it moved smoothly/freely. New fluid and no problems past 14 months (fingers crossed). The fluid change also resolved my caliper sticking problem. Good Luck

'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
Replaced ALL Cables . Kuryakyn LED Voltmeter
SilverStar Ultra 9003/HB2 H4 Headlamp, Jardine Fwd Controls,
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery
Additional Flashing LED Brake Light on Trunk
Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!
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post #4 of 5 (permalink) Old 08-28-2011, 02:40 AM
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was the brakes dragging or just the stop lamp staying on? if just the light theres a spring in there that gets weak replace it .

2010' voyager

2005 1600 nomad sold

1987 kawasaki vulcan 750 SOLD

1985 kawasaki vulcan 700 parts bike maybe
lots of hand guns
3 cagers doors kicked in
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post #5 of 5 (permalink) Old 08-28-2011, 10:37 AM Thread Starter
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WilliamTech, thanks for the tip. That worked for me too. Just cleaned up and poured some brake fluid on the outside of the master cylinder at the piston and worked it free. works great now. thanks again

'85 Vulcan 700

Last edited by primerib; 08-29-2011 at 09:26 AM.
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