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Newbie....calipers...rebuild or.....$$$$$$$$
- HEYJACKO
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28 Mar 2010 20:21 #356827
by HEYJACKO
Newbie....calipers...rebuild or.....$$$$$$$$ was created by HEYJACKO
Hi guys...I'd like to get some considered expert opinions. I'm rebuilding calipers. Have yet to have this bike on the road, not looking forward to dumping a ton of $$$ only to find out I'll have to wait 9 mos. to actually have the scratch to get this thing rolling. There seems to be considerable corrosion from the piston seal out, and a bit on the piston itself. I am considering doing a rebuild kit for all of the rubber...and a new piston if that seems warranted at this point. I have a few questions. Can I wire wheel (dremel) the seal seat, and the outer portion of the caliper along with the bolts? Is the piston too far gone or should I replace? I have scrubbed the bejezus out of these things w/toothbrush and brake fluid. AAAAAAAAAny help is appreciate. THANKS!
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28 Mar 2010 20:22 #356828
by HEYJACKO
Replied by HEYJACKO on topic Newbie....calipers...rebuild or.....$$$$$$$$
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28 Mar 2010 20:37 #356833
by HEYJACKO
Replied by HEYJACKO on topic Newbie....calipers...rebuild or.....$$$$$$$$
OK...Here's a photobucket link....hope it works ok.
s41.photobucket.com/albums/e268/heyjackola/CALIPERS%20Z1B/
s41.photobucket.com/albums/e268/heyjackola/CALIPERS%20Z1B/
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- timebomb33
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28 Mar 2010 21:05 #356839
by timebomb33
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE
Replied by timebomb33 on topic Newbie....calipers...rebuild or.....$$$$$$$$
replace the piston and rubber parts unless there is damage done to the bore itself then a whole caliper replacement will be needed. with the pitting that is on that piston you will never get it to seal properly again or work right for that matter.
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE
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- MFolks
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28 Mar 2010 21:49 #356848
by MFolks
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)
Replied by MFolks on topic Newbie....calipers...rebuild or.....$$$$$$$$
Pricey, but it's a Stainless Steel piston for the brake calipers(about mid way down on the list):http://www.americanclassix.com/kawa_improvements.html
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)
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- mtkawboy
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29 Mar 2010 15:24 #357005
by mtkawboy
78-KZ1000/1105, 80 KZ1000, 82 Kawasaki GPZ750, 95 Harley Fatboy, 80 Suzuki GS1100ET, 81 GS1100E parts bike, 83 GS1100SD Katana/1394,78 Yamaha XT500, 81 Yamaha XS650, 78 Yamaha XS650E, 48 Whizzer model J motorbike, 71 Honda CT70H, 71 Honda CT70, 81 IT 250 Yamaha,82 Honda XL100S owned
Replied by mtkawboy on topic Newbie....calipers...rebuild or.....$$$$$$$$
Thats caused by old brake fluid with moisture in it. If you reused the parts you have it will just eat up the seals in short order. Do it right & change the fluid yearly
78-KZ1000/1105, 80 KZ1000, 82 Kawasaki GPZ750, 95 Harley Fatboy, 80 Suzuki GS1100ET, 81 GS1100E parts bike, 83 GS1100SD Katana/1394,78 Yamaha XT500, 81 Yamaha XS650, 78 Yamaha XS650E, 48 Whizzer model J motorbike, 71 Honda CT70H, 71 Honda CT70, 81 IT 250 Yamaha,82 Honda XL100S owned
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- HEYJACKO
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29 Mar 2010 21:47 #357114
by HEYJACKO
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29 Mar 2010 21:48 #357115
by HEYJACKO
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29 Mar 2010 21:50 #357116
by HEYJACKO
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29 Mar 2010 21:51 #357117
by HEYJACKO
Replied by HEYJACKO on topic Newbie....calipers...rebuild or.....$$$$$$$$
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29 Mar 2010 21:58 #357120
by HEYJACKO
Replied by HEYJACKO on topic Newbie....calipers...rebuild or.....$$$$$$$$
OK guys...thanks for all of the feedback. I just posted some additional pics. Sorry if I'm not gettin' it...but do you think the calipers are possible to save??? Can I take a brass wheel and carefully clean out the seats and the outer edge??? How bout the bolts, wire wheel them too? I understand the piston is probably gonzo. I've resigned myself to replacing it along with all of the rubber. I just don't want to do that if the caliper is too far gone. Thanks again for the help:woohoo: !
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29 Mar 2010 23:05 #357123
by donthekawguy
Rathdrum Idaho
1971 Kawasaki g3ss
1972 Yamaha R5 350
1965 Suzuki Hillbilly
1964 Yamaha 125
Replied by donthekawguy on topic Newbie....calipers...rebuild or.....$$$$$$$$
The calipers are good just clean out the groove where the piston sits with the wire wheel. Replace the piston and your good to go.
Rathdrum Idaho
1971 Kawasaki g3ss
1972 Yamaha R5 350
1965 Suzuki Hillbilly
1964 Yamaha 125
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