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1981 Kawasaki GPz550: Restoration
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35386
- Torrance, CA
I bought two used masters off ebay that turned out to be junk. It's hard to find units that are not corroded inside. In the end I bought a master from an EX650 Ninja. Nice unit. Reservoir angles down a little which looks a little funny with the bars I selected, but think it's okay. Came off a late model bike so no corrosion too.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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Originally posted by Nessism View PostI bought two used masters off ebay that turned out to be junk. It's hard to find units that are not corroded inside. In the end I bought a master from an EX650 Ninja. Nice unit. Reservoir angles down a little which looks a little funny with the bars I selected, but think it's okay. Came off a late model bike so no corrosion too.
i only sell junk when i represent it as such.
well i don't want to sell a member here junk thinking it's not.
what should i do?
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35386
- Torrance, CA
Originally posted by blowerbike View Postso a working/non leaking mc can still be junk?
i only sell junk when i represent it as such.
well i don't want to sell a member here junk thinking it's not.
what should i do?
Repeating this story but...sent some guy on ebay as message asking if they would be willing to pull the piston and inspect, and a short time later Joe Whelan wrote me back and provided photos too! Small world, and great service by Joe!Last edited by Nessism; 07-05-2014, 06:56 PM.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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Originally posted by blowerbike View Postso a working/non leaking mc can still be junk?
i only sell junk when i represent it as such.
well i don't want to sell a member here junk thinking it's not.
what should i do?1979 GS1000E (44 Yrs), 1981 GPz550
Departed: 1970 Yamaha R5A, 1971 R5B, 1975 Honda XL250, 1983 Suzuki PE175, 1983 CB1100F, 1983 BMW R100RS, 1992 ST1100
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Originally posted by blowerbike View Posti'm back....
pm sent..
I will post pics of the master innards.
Thanks Terry!1979 GS1000E (44 Yrs), 1981 GPz550
Departed: 1970 Yamaha R5A, 1971 R5B, 1975 Honda XL250, 1983 Suzuki PE175, 1983 CB1100F, 1983 BMW R100RS, 1992 ST1100
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I received Terry's GPz master cylinder on Thursday but didn't have a chance to have looksee till tonight. The Master came with a good brake lever & hardware
A bit gooey looking
1979 GS1000E (44 Yrs), 1981 GPz550
Departed: 1970 Yamaha R5A, 1971 R5B, 1975 Honda XL250, 1983 Suzuki PE175, 1983 CB1100F, 1983 BMW R100RS, 1992 ST1100
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Originally posted by blowerbike View Postno extra charge for the goooo...
how does the bore look?
i could see dark fluid through the sight glass.
when i installed my later model mc i bled the system till it was clean coming out the bleeders.
1979 GS1000E (44 Yrs), 1981 GPz550
Departed: 1970 Yamaha R5A, 1971 R5B, 1975 Honda XL250, 1983 Suzuki PE175, 1983 CB1100F, 1983 BMW R100RS, 1992 ST1100
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I will show my ignorance . . . What's the symptom of using either brake master which has a pitted master cylinder bore? I am taking educated guess it would not sustain brake lever pressure for extended period of time due to seal leakage?1979 GS1000E (44 Yrs), 1981 GPz550
Departed: 1970 Yamaha R5A, 1971 R5B, 1975 Honda XL250, 1983 Suzuki PE175, 1983 CB1100F, 1983 BMW R100RS, 1992 ST1100
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35386
- Torrance, CA
Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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The EX650 master is good solution. . . unfortunately the EX650 brake hose is mounted 90 clockwise vs. the GPz master. The brake hose between the master & brake junction is braided stainless and it does not rotate a bit.
I do have a 1980 GS1000 square master that I squirreled away a decade ago just in case
Here is a pic of the master(s) after cleaning. Any recommendation on paint? Looks like no primer was applied, just semi gloss enamel & baked
1979 GS1000E (44 Yrs), 1981 GPz550
Departed: 1970 Yamaha R5A, 1971 R5B, 1975 Honda XL250, 1983 Suzuki PE175, 1983 CB1100F, 1983 BMW R100RS, 1992 ST1100
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