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Discussion Starter #1
Hello all. I just myself a 1992 Kawasaki Vulcan 750, dual caliper front brakes, and am happy to see there is a great forum for us. I have already used the forum to do some minor repairs but i can't find a post (though i'm sure it's here) about weak front brakes. My front brake is weak and takes maybe 10+ feet to stop at normal speeds (~30mph) my bike failed inspection for this. When searching the forums i only find info on front brakes locking up but i have the opposite issue. Does anyone have an idea on what part of the brake master cylinder can cause this? My parts store nearby does not sell a rebuild kit but rather individual parts. I'd appreciate the help.
 

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Discussion Starter #4
The brake handle is spongy for about half the pull. After that you can feel that it is now creating pressure
 

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put new fluid in the reservoir, bleed both calipers, then tie the brake lever back as far as you can to the throttle grip and leave it to sit tied back overnight or for a couple days, that will let all the air properly bleed out of the lines
 

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I had an issue recently with the front brake not stopping well on my '95, and a funny binding feeling in the lever pull. Similar to what you said, lever feel totally changed after about half travel. Bleeding the front brakes made a difference, but it was still there. I noticed that if I changed the angle at which I pulled the lever the feeling went away. Shot a little lube on the lever pivot, problem solved. Stops on a dime now. Bike is parked outside 24/7 so either some dirt or a little corrosion at the pivot point seems to have been the culprit.
 

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Discussion Starter #7
Thanks for the suggestions. I'll try new brake fluid and lubbing the pivot. I'll let you guys know how it goes.
 

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Discussion Starter #8
Thanks for the help. I put new brake fluid in and new pads on the front. Now the brakes respond withen a couple of millimeters of pull.
 
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