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Locating the rear wheel
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StratJeff
That third piece from the left (silver)- that's #7 on the parts diagram, and lives inside the wheel hub, correct? The only thing visible from the left side of my wheel is the bearing #14, and my double-flanged spacer (2nd from left in your picture) fits snugly into this bearing. The right side is exactly as you have shown.
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StratJeff
Probably not Cipher- the left pad isn't contacting the rotor at all, so there's plenty of room. The rotor is right up against the caliper itself.
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sharpy
Originally posted by StratJeff View PostThat third piece from the left (silver)- that's #7 on the parts diagram, and lives inside the wheel hub, correct? The only thing visible from the left side of my wheel is the bearing #14, and my double-flanged spacer (2nd from left in your picture) fits snugly into this bearing. The right side is exactly as you have shown.Last edited by Guest; 03-18-2017, 09:52 PM.
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StratJeff
Why do you keep asking about the sprocket bolts? They do naturally want to fall back in to the carrier, and I had to lean the wheel over and lightly tap to make sure they extended. Then I put the nuts on all 6 and torqued to spec- it was pretty simple.
I'll play around with the caliper pistons tomorrow, and see if the brake will "self-align" once it gets some pressure. Not sure though- the caliper is *really* pinching the rotor, there's no wiggle at all to it.
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StratJeff
Playing with it more today- the pistons were definitely full out, it took a couple pumps to get them to squeeze.
I was able to get the tire rotating by hand, but as soon as I tightened the axle castle nut, the system locks up. I could keep it loose and cotter pin it, but I'm pretty sure that's not safe. I'll never be able to get to torque specs on it without locking up the wheel.
It looks like I need some additional spacer between the #5 and #17, to align the caliper slightly more to the right.
I'm missing some great riding weather
If anyone else with an -E could share some pictures of what theirs looks like fully assembled, that would be really helpful!
EDIT: I found these old pictures of another bike, and my setup is *exactly* the same (except I do have the caliper bracket in place): http://www.thegsresources.com/_forum...ght=rear+wheelLast edited by Guest; 03-19-2017, 01:07 PM.
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The rear caliper is fixed in position by the caliper mount and doesn't float on pins like front ones. The wheels position is thus determined by the spacers which appear to be correct (ignore my previous post about them being wrong). It looks like the caliper mount has an offset and is positioning the caliper too far to the left. Is it possible the caliper mount somehow got reversed?'84 GS750EF (Oct 2015 BOM) '79 GS1000N (June 2007 BOM) My Flickr site http://www.flickr.com/photos/soates50/
https://farm5.staticflickr.com/4306/35860327946_08fdd555ac_z.jpg
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StratJeff
The caliper mount only fits one way- it has a curve to it, and the curve needs to extend outwards from the axle in order to fit the caliper holes. Flipping it would put the caliper even closer to the wheel.
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OK. I took some pictures of my GS1000. Note that the axle, wheel and all spacers except for the one between the caliper and the wheel are all the same part number as yours. Comparing your pics and mine it looks like the sprocket side spacer is correct but I question the spacer on the right between caliper mount and the wheel. Mine seems to sit recessed into the wheel much farther than yours. If that spacer on yours isn't correct the spacing for the caliper won't be correct. That spacer and the sprocket side spacer should fit right up against the inner bearing races on both sides. As mentioned the caliper position is fixed and the wheel position in relation to the caliper is determined by the spacers on the left side. This is all assuming the bearings are properly seated which they should be unless you've also had them out. Hope this helps.
by soates50, on Flickr'84 GS750EF (Oct 2015 BOM) '79 GS1000N (June 2007 BOM) My Flickr site http://www.flickr.com/photos/soates50/
https://farm5.staticflickr.com/4306/35860327946_08fdd555ac_z.jpg
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StratJeff
Thanks for the pictures- unfortunately that's *exactly* how I have mine setup right now, and the rotor still drags.
It looks like I need some additional spacer inside the caliper V mount, to move the caliper out about 2mm. There's no other way I can see to adjust that.
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This happened when I reinstalled the rear wheel on my 750. Can't remember if it was after doing tires or the 530 conversion. I'm racking my brain to remember how I fixed it, but I know I didn't add any spacers.
I'm gonna look thru some pics I took and see it that jogs my memory. If not, I hope looking at the actual bike this weekend will help me remember.Jordan
1977 Suzuki GS750 (My first bike)
2000 Kawasaki ZRX1100
1973 BMW R75/5
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I had the same issue on my GS1000, turned out to be a sticking caliper piston, it would not return after being applied and caused the wheel to not want to turn freely.
I was changing wheels from one bike to another when it happened, but thought it was something I caused so took a while to figure it out.
Try it without brake pads and see if the rotor is running true in the center of the caliper.
David2018 Honda Africa Twin AS
2013 DR 650 Grey, sold 1981 GS 650E Silver,
1980 GS1000ST Blue & White, X2
2012 DL650 Vstrom Foxy Orange, in storage
1981 CT110 X2 "Postie Bikes" Gone to a New Home.
2002 BMW 1150 GS Blue & White - Sold
1975 BMW R90/6 Black - Sold 1984 GS1150EF Sold
1982 BMW R100 Africa trip, Stolen - Recovered- Sold
1977-1980 Suzuki GS550, GS1000E, GS1000S GSX750, GSX1100,s
Hondas ST90, CR125 CB175 , CB350 CB750, NSU Quickly, Yamaha RD's 350/400,
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StratJeff
The pistons don't appear to be the problem either. I pushed them open manually, but the rotor is still grabbing the caliper itself, not the pads. I've uploaded a video so you can see/hear it: https://www.youtube.com/watch?v=b4ZFyyYva3I
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Maybe your wheel bearings and inter spacer are bad. I'd take everything apart and inspect. Something don't look right...My Motorcycles:
22 Kawasaki Z900 RS (Candy Tone Blue)
22 BMW K1600GT (Probably been to a town near you)
82 1100e Drag Bike (needs race engine)
81 1100e Street Bike (with race engine)
79 1000e (all original)
82 850g (all original)
80 KZ 650F (needs restored)
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Originally posted by storm 64 View PostMaybe your wheel bearings and inter spacer are bad. I'd take everything apart and inspect. Something don't look right...'84 GS750EF (Oct 2015 BOM) '79 GS1000N (June 2007 BOM) My Flickr site http://www.flickr.com/photos/soates50/
https://farm5.staticflickr.com/4306/35860327946_08fdd555ac_z.jpg
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