Comstars question

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peteybug
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Post #16 by peteybug » Mon May 12, 2008 8:05 pm

I have comstars on my 75. Used the washer shim thingy. No problems so far. They have been on bike for two years now.
love new ideas for old wing's. AS I have three and am always working on them

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rcmatt007
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Post #17 by rcmatt007 » Tue May 13, 2008 8:54 am

no.... I meant the part that holds the brake pads.... the thing you bleed off when you bleed the brakes... that is the brake cylinder
-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" not ready for prime time,
79 project, finished,
'86 1200 (Beth's) with motorvation sidecar, July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's). I guess you can say we have MBS

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mooseheadm5
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Post #18 by mooseheadm5 » Tue May 13, 2008 10:22 am

So everyone is on the same page:
Brake master cylinder - the part at the handlebars that gets actuated by the right lever
Junction block - the part that the line from the master goes to so that it can split off into two lines at the wheel
Brake caliper - Also sometimes incorrectly called wheel cylinder. The thing that holds the pads and contains the piston that actuates the pads
Brake caliper piston - the part of the caliper that is moved by fluid pressure when the master cylinder is compressed
Wheel cylinder - Brake servo for hydraulic drum brakes
Bleeder nipple - the little valve that allows you to remove air or brake fluid from the system
Brake rotor - also disk, the part that the pads squeeze
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rcmatt007
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Post #19 by rcmatt007 » Tue May 13, 2008 10:30 am

okay... but you forgot the bracket that actual holds the thing you are calling the caliper... it is that bracket which is specific to 75-77 and 78-9 forks.... which is part #21 in this picture
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-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" not ready for prime time,
79 project, finished,
'86 1200 (Beth's) with motorvation sidecar, July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's). I guess you can say we have MBS

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mooseheadm5
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Post #20 by mooseheadm5 » Tue May 13, 2008 10:34 am

Yes:
Brake caliper bracket - part that holds the caliper to the fork. On some motorcycle models (all GLs) this bracket contains a sliding mechanism that must be lubed for proper operation. They may look similar from year to year, but are not necessarily the same.

When putting comstars on 75-77 you can simply shim the caliper brackets so that they move the caliper inward enough so that the caliper straddles the rotor properly. You still have to deal with the speedo on the wrong side, though.
It's not what people know that gets them into trouble, but what they know that ain't so. -Variously ascribed



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sandback
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Post #21 by sandback » Tue May 13, 2008 1:06 pm

Okay, I am getting this. The shims should do the trick.

As far as the speedo goes, will it need replacing? Or can I just reroute a cable to the opposite side?
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Post #22 by mooseheadm5 » Tue May 13, 2008 1:15 pm

The speedo drive is on the wrong side of the wheel, so there will be no tang on the fork to hold it. You can figure something out, I am sure. And no, you can't run the wheel backwards cause it will drive the speedo the wrong way.
It's not what people know that gets them into trouble, but what they know that ain't so. -Variously ascribed



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Post #23 by rcmatt007 » Tue May 13, 2008 2:40 pm

cool.... backwards all the way :roll:
-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" not ready for prime time,
79 project, finished,
'86 1200 (Beth's) with motorvation sidecar, July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's). I guess you can say we have MBS

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sandback
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Post #24 by sandback » Tue May 13, 2008 3:07 pm

Moose, now I understand! That is probably what drives the fork lowers replacement. And when you replace the fork lowers, you have changed the caliper bolt spacing, so you need new calipers...

So, to the audience writ large, any creative ideas on the speedo (without replacing the fork lowers, calipers, rotors, etc.)?

peteybug, how did you resolve the issue?
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Post #25 by mooseheadm5 » Tue May 13, 2008 3:17 pm

I would use a piece of strapping or something wrapped around the fork leg with 2 bumps to register the speedo drive tang. But, I dunno cause I have not done mine yet (though I probably will not because I will be running different forks altogether.)
It's not what people know that gets them into trouble, but what they know that ain't so. -Variously ascribed



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Post #26 by roncar » Tue May 13, 2008 4:12 pm

sandback wrote: any creative ideas on the speedo (without replacing the fork lowers, calipers, rotors, etc.)?


You have to replace:

1 wheel
2 brake rotors (unless you think you can drill a 5 bolt hole pattern in exactly the right place)
3 speedometer drive assembly (at the wheel)

Then shims on the caliper brackets and your done.

The tang (or lug as the honda manual refers to it) are for the 75 to 77 models only according to the manual page 13-34 and my visual observations of 2 78 and 1 75 front ends. The 78-79 do not have tangs on the forks or the speedometer drive assembly, so don't sweat it. Use the same cable, routed to the other side of the wheel, and the same speedometer.
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sandback
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Post #27 by sandback » Tue May 13, 2008 4:52 pm

roncar,

Doh! [slaps own forehead...]

Of course I have to replace the rotors. I flubbed that earlier message because, um, the sun was in my eyes. Yeah. That's it. The sun...

Thanks!
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Post #28 by GIWOODY » Thu Jul 02, 2009 9:37 am

HELP NEED A GRAB HANDLE FOR A 1977 GL1000 THEY SAY I HAVE TO HAVE THIS FIRST SO I CAN ADD A BACK REST THANKS
1977 GL1000 HONDA GOLDWING

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rcmatt007
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Post #29 by rcmatt007 » Thu Jul 02, 2009 9:52 am

GIWOODY wrote:HELP NEED A GRAB HANDLE FOR A 1977 GL1000 THEY SAY I HAVE TO HAVE THIS FIRST SO I CAN ADD A BACK REST THANKS


probably the wrong place to post this.... try the "wanted" section.... also... all CAPS comes across as shouting, which I am sure you are not intedning to do
-Rodger-
all it takes for evil to prosper is the want of a few good men to do nothing-Edmund Burke
The question is not how much time do you have, it is what you do with the time that you have Gandalf
"One of the greatest dignities of humankind is that each successive generation is invested in the welfare of each new generation." Fred Rodgers
"it takes 10,000 hours to become an expert" ancient saying
78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" not ready for prime time,
79 project, finished,
'86 1200 (Beth's) with motorvation sidecar, July 2017 BOTM
'17 HD Road king and 08 HD Heritage softail (Beth's). I guess you can say we have MBS

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Post #30 by Cookie » Thu Jul 02, 2009 12:02 pm

And good luck finding a seat rail for a 77, the early ones are hard to get. You might consider a little later one if you don't mind relocating the turn signals.
Enjoy life,
Cookie


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Owner of 4.4 76s and one lone 75 Wings (does a spare engine make .2?)


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