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78 kaw 1000, ltd Rear break pads changeout request 22 Mar 2020 14:50 #821436

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My 78kz1000 LTD Rear Rotor currently has the original look with the holes , but Not drilled. and no square pattern. And maintaining as all original is important to me. The ol' dude that is selling the used kaw rotor apparently has a stockpile of old kaw parts.
I 'll plan check it out. Who knows what we might discover.... standby. Thank you folks.

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78 kaw 1000, ltd Rear break pads changeout request 22 Mar 2020 14:58 #821439

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So , Not going to just resurface your rotors ?

Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn

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78 kaw 1000, ltd Rear break pads changeout request 22 Mar 2020 16:03 #821447

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Yes. Most likely. I have Not done a full complete assessment on the current OE rotor. I think that diagnostic process is called - run out.

And we'll add that I have not bled the brake lines yet _per kaw service manual..(with the new rear pads install ,etc) to establish or confirm why I am still getting the slight rubbing noise. Just guessing that the binding caliper / dirty brake line / fluid is causing the slight rub. Or both could be culprits I presume.

Meanwhile, I am curious about this dudes kaw inventory. He had a craigslist ad posted with a basic pix of the large storage garage items. Looks kinda interesting..

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78 kaw 1000, ltd Rear break pads changeout request 27 Mar 2020 11:55 #821910

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Update: Hope this helps someone w / a similar issue.
So, after the New rear pads install and bleeding the rear brake lines, the rubbing sound seems to have disappeared ! I noticed when bleeding the lines that there was some nasty looking crud oozing out into the catch vessel. I tried to pump the foot pedal until the fluid was clear. The 2 test drives showed no noise . I guess I got lucky and the caliper , piston and master cylinder were close to seizing I guess..
Again,, This bike had sat idle for a year or more, the PO stated.

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78 kaw 1000, ltd Rear break pads changeout request 27 Mar 2020 12:07 #821913

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Here is what squirted out into the vessel.
I think I got most of it to pass thru the line.
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78 kaw 1000, ltd Rear break pads changeout request 27 Mar 2020 13:09 #821923

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Just my opinion here, but if I saw that come out of a caliper, I would completely dismantle the entire system and carefully clean each part. to be 100% sure that all that crud was removed. Just bleeding can leave a surprising amount of crud in there. I would also carefully flush the line and likely replace the flexible line unless I was absolutely certain that it is fairly new.
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1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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78 kaw 1000, ltd Rear break pads changeout request 27 Mar 2020 18:48 #821958

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Yes. Absolutely, Safety first- always. I appreciate your genuine concern for me and the other member's safety. A+. I had read another of your comments about brakes and Not skimping on the task. No shortcuts allowed folks -it is just too risky with these old bike's.

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78 kaw 1000, ltd Rear break pads changeout request 28 Mar 2020 09:18 #822005

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Mikaw wrote: I thought I was correct. Question, did just the just LTD’s have the round holes in the rear rotor. My 1976 900 LTD has the same rear rotor.



Might be. Here's a picture of the rear rotor on my "77 KZ1000A1, which is original.
Back in the saddle and loving it! KZ1000A1
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