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Well, guess it's time to rebuild the rear master. Not able to keep pressure up on the system. At first thought it was an air bubble, so bled it out and seemed to be fine. Nice solid pedal. Went for a ride yesterday and it slowly started losing pressure again. Pretty good for 40 years worth. Kit ordered.
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sigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong. -
Mine was passed rebuild... I had good luck adapting an EX300 one.
1980 GS1000G - Sold
1978 GS1000E - Finished!
1980 GS550E - Fixed & given to a friend
1983 GS750ES Special - Sold
2009 KLR 650 - Sold - gone to TX!
1982 GS1100G - Rebuilt and finished. - Sold
2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!
www.parasiticsanalytics.com
TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/ -
Hey Bill!
You gonna post pics?
Glad you're keeping well.
EdGS750TZ V&H/4-1, Progressive Shocks, Rebuilt MC/braided line, Tarozzi Stabilizer[Seq#2312]
GS750TZ Parts Bike [Seq#6036]
GSX-R750Y (Sold)
my opinion shouldn't be taken as gospel or in any way that would lead you to believe otherwise (30Sep2021)
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It hadn't leaked any fluid so I'm think the rubber piston just finally gave out.Originally posted by salty_monk View PostMine was passed rebuild... I had good luck adapting an EX300 one.sigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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Hey Mr Ed I had to get the Suzi out and ride it, felt good except for the rear brake. Beth took the Spyder. She said she could hear the bike any time I jumped on the throttle. Ride felt good, knee didn't complain either lol. Uh you get started yet lol. Guess I could post a pic or two.Originally posted by GSXR7ED View PostsigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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MrBill,Originally posted by mrbill5491 View Post
I still remember our adventure rides through southern NM...good memories!
Loud pipes...eh? They save lives you know...lol.
Yeah, post pics when you can.
Yes, I will be starting soon...been kicking the tires on my "T" and looking at the work that lays ahead.
Glad your knees are holding up. My knees are strong enough to move and hold my bike. I have parts scattered in several boxes in the garage and attic.
See you around.
Ed
*****GS750TZ V&H/4-1, Progressive Shocks, Rebuilt MC/braided line, Tarozzi Stabilizer[Seq#2312]
GS750TZ Parts Bike [Seq#6036]
GSX-R750Y (Sold)
my opinion shouldn't be taken as gospel or in any way that would lead you to believe otherwise (30Sep2021)
Comment
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Lol, I'm wanting to change the exhaust on the Spyder, wifey says no. But but honey it would sound so cool...Hmmm maybe I can surprise her when she goes off for her 6 week training? Heheheh.Originally posted by GSXR7ED View PostsigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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You could have it sleeved, that will fix it .1980 GS1000EComment
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Have what sleeved? The rear master cylinder? Pretty sure it's just the piston. After 40 years, I think I would get a bit worn too.Originally posted by mustangflyr View PostsigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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Stainless steel re-sleeving is an option,If the bore is out of round or worn.I have seen ads in the magazine Classic Motorcycle Mechanics for the service to brake master cylinders,Calipers.They service Motorcycles,Cars,and Commercial vehicles.Mostly for restoration purposes.I don't know of any in the U.S. The company in the UK is Past Parts Unlimited. restore@pastparts.co.uk My browser couldn't connect ??? I have considered this service when parts were either not available and discontinued as a lot of our older bikes fall into this category.Down side all I have is an address TEL.# and FAX # So somebody out there is doing it in the U.S. if there is a market for it.Surely. I have subscribed for a few years at www.classicmechanics.comLast edited by gs11ezrydr; 02-14-2020, 11:57 PM.sigpic 82 gs1100ez 1168 Wiseco,Web .348 Cams,Falicon Sprockets,Star Racing Ported Head,1mm o/s Stainless Valves,APE Springs,Bronze Guides,etc.APE Billet Tensioner,36CV Carbs,Stage 3 Dynojet,Plenum w/K&N filter,Trued,Welded,Balanced,Crank w/Katana rods & Billet left end, FBG backcut trans, VHR HD Clutch basket,APE nut,VHR High volume oil pump gears,1150 Oil cooler,V&H Megaphone header w/Competition baffle,Dyna S,Coils,Wires,etc.Other misc.mods.Comment
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Well, got started on my rear master rebuild. Took it apart last night and was pleasantly surprise. It was fairly clean inside, cylinder itself was fine, no scratches or anything. The rubber pistons show some wear but hell, what'cha expect for 40 years old.
DSCN1239.jpgsigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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That's not bad looking at all, Bill.
Compared to my front MC rebuild...anyway.
Thanks for posting pic.
Ed
****GS750TZ V&H/4-1, Progressive Shocks, Rebuilt MC/braided line, Tarozzi Stabilizer[Seq#2312]
GS750TZ Parts Bike [Seq#6036]
GSX-R750Y (Sold)
my opinion shouldn't be taken as gospel or in any way that would lead you to believe otherwise (30Sep2021)
Comment
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Did a comparison last night between the old parts and new stuff for the rear master. Old stuff slid back and forth without hardly any resistance. New stuff, you could feel the difference, the rubber parts sealed up nicely.sigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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I may just do the front MC as well just for chits and giggles. It does have 40 years of wear on it. Some preventive maintenance.Originally posted by GSXR7ED View PostsigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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Rear MC is back on and have very nice rear brakes again.sigpicMrBill Been a GSR member on and off since April 2002
1980 GS 750E Bought new in Feb of 1980
2015 CAN AM RTS
Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.Comment
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