Author Topic: Rear disc ideas/help  (Read 2671 times)

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Offline wowbagger

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Re: Rear disc ideas/help
« Reply #25 on: August 04, 2014, 07:45:54 AM »
Yeah, The main reason I've gone with this one is the 90 degree boot makes hiding the wires much easier.

Offline Retro Rocket

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Re: Rear disc ideas/help
« Reply #26 on: August 04, 2014, 03:40:56 PM »
Well here is what I just finished, K pedal and K pivot with 900rr MC and some fabrication.

It works, but it definitely needs return spring.  The MC is not strong enough to bring it all the way up.

Details in my build here:

http://forums.sohc4.net/index.php?topic=115305.250




Thats the way to do it, the F pedal has a different mounting point and would have to be modified too, so thats the best fix right there... ;D ;)
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline dusterdude

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Re: Rear disc ideas/help
« Reply #27 on: August 04, 2014, 04:02:46 PM »
I like the pedal,never considered that
mark
1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3

Offline 70CB750

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Re: Rear disc ideas/help
« Reply #28 on: August 04, 2014, 04:59:27 PM »
Thanks, guys :)

It allows to adjust the lever against the pedal and then fine tune it using the M8 thread on the pushrod.
Prokop
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Offline dusterdude

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Re: Rear disc ideas/help
« Reply #29 on: August 04, 2014, 05:21:56 PM »
Yes it does,thats high on my list
mark
1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3

Offline P.abrera

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Re: Rear disc ideas/help
« Reply #30 on: August 05, 2014, 04:54:58 AM »
Not sure what your plan is for the brake switch but I've been using these for my switch on a few bikes now. They are much simpler than the stock spring switch and have been really reliable.

https://www.denniskirk.com/goodridge/brake-light-banjo-bolt-boot.p271523.prd/271523.sku


Apologies if its a bit of a derail but how do you use that? Does it take the place of the OE pressure switches? gotta pic of it installed? (Sorry for the new guy Q's)

Offline wowbagger

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Re: Rear disc ideas/help
« Reply #31 on: August 05, 2014, 05:27:32 AM »
Yeah, just replace any banjo bolt with it and wire it as your switch instead on the stock pressure switch.

Offline dusterdude

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Re: Rear disc ideas/help
« Reply #32 on: August 05, 2014, 03:08:51 PM »
70,what gauge steel did you use for your caliper bracket?
mark
1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3

Offline dusterdude

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Re: Rear disc ideas/help
« Reply #33 on: August 05, 2014, 03:10:01 PM »
I meant master cylinder bracket doh
mark
1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3

Offline wowbagger

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Re: Rear disc ideas/help
« Reply #34 on: August 05, 2014, 03:26:22 PM »
P.abrera, here's a shot of one I used on another bike.

Offline P.abrera

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Re: Rear disc ideas/help
« Reply #35 on: August 05, 2014, 06:36:28 PM »

P.abrera, here's a shot of one I used on another bike.

Duh. Got it thanks! guess i need to get out more Time to clean-up and streamline the front brake system with a single solid line. The OE 2 pc line with the old pressure switch and hard pipe by the caliper interrupting it is complicated and cluttered.




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Offline 70CB750

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Re: Rear disc ideas/help
« Reply #36 on: August 05, 2014, 07:32:14 PM »
70,what gauge steel did you use for your caliper bracket?

3/16" with M6 nuts welded on the back.
Prokop
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Pure Gas - find ethanol free gas station near you

I love it when parts come together.

Dorothy - my CB750
CB750K3F - The Red
Sidecar


CB900C

2006 KLR650

Offline dusterdude

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Re: Rear disc ideas/help
« Reply #37 on: August 06, 2014, 02:12:47 PM »
Groovy,one more thing,did you cut anything off the tube for the brake pedal shaft after you redesigned the pivot?
mark
1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3

Offline 70CB750

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Re: Rear disc ideas/help
« Reply #38 on: August 06, 2014, 04:39:49 PM »
Yes I did to better line up the MC push rod and the lever, not sure if it was necessary.

The original plan was to make a new pivot with fabricated pedal welded on it, reusing the alternated K original pivot was a sudden inspiration.
Prokop
_______________
Pure Gas - find ethanol free gas station near you

I love it when parts come together.

Dorothy - my CB750
CB750K3F - The Red
Sidecar


CB900C

2006 KLR650

Offline dusterdude

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Re: Rear disc ideas/help
« Reply #39 on: August 06, 2014, 05:53:09 PM »
After i looked at mine i thought you did.i dont want to hack my frame,so im gonna rethink this thing
mark
1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3

Offline 70CB750

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Re: Rear disc ideas/help
« Reply #40 on: August 07, 2014, 03:34:02 AM »
I am sure it will work without it.  You could put spacers under the MC's M6 and between the push rod eye and the lever hole.

Or the lever could be S shaped, kinda drop towards the frame.
Prokop
_______________
Pure Gas - find ethanol free gas station near you

I love it when parts come together.

Dorothy - my CB750
CB750K3F - The Red
Sidecar


CB900C

2006 KLR650

Offline dusterdude

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Re: Rear disc ideas/help
« Reply #41 on: August 07, 2014, 09:25:08 AM »
Thats true,ill ponder it.thanks
mark
1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3