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duel disk brake convertion

  • Thread starter Thread starter radeon1015
  • Start date Start date
R

radeon1015

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i have an 82 gs750 with single disk bakes in the front and drum in the back. does anyone have any ideas on how to swap to duel disk in the front and single disk in the back?
 
buy all the parts from a twin disc model and bolt them on. get all the parts required or buy a complete front end from a twin disc model, same plan with the rear wheel.
 
T model would be my guess?

All the following measurements are in standard (inches)
The 81-82 750L model came standard with 3 disks.
1981 gs750L model
1.387-1.39 outer diameter fork tubes
35 1/2 in from top of cap to bottom of leg while off the bike
34 3/4 while on
front leading axle

8 11/16 front mount of swingarm without caps
10 1/4 space between rear axle where the tire, brake arm and spacers go.
.55 swingarm mount to frame axle outer diameter

Let us know if they match what you have.
If they are a direct bolt in then you will just have to find a way to mount the rear master cylinder and make sure a brake pedal from a disk break bike will fit.
May even not need to replace the pedal?
 
Last edited:
its is a gs 750 T. thanks guys i guess i have some reading to do lol
 
Single/Dual Disk Conversion

Single/Dual Disk Conversion

Yep, "T" model.

I've done some work on my "T" but changing to dual/single disk is somewhere down the road. Are you gonna race your bike? Just wondering cause the way it's set-up works fine. Even when I've done hard braking (using both brakes), they work for me. Of course, I rebuilt the MC/Caliper and installed a single braided line...fixen' to R2 the rear drums this weekend too.

You'll have to change your swingarm and also get a rear MC. Basically, look at getting the parts off an "E" model. Post pics of your work.


Ed
 
The easy way to convert is to get a complete front end from a 80-82 GS750E or a 80-81 GS1100E direct bolt on (axle, wheel, triple trees). I put a 1100E front end on my 750. The rear might be a bit more tricky. You would to mount a rear MC for sure. You can use a the swing arm off the mentioned 750s or up grade to the 1100E alloy swing arm, takes a bit more work to install. Mostly the pivot bolt bushings in the frame. 750 uses a 14mm bolt where the 1100 is a 16mm bolt. I have done this conversion as well. Oh yeah don't forget the torque arm for the rear brake as well. Then you get to plumb it, which isn't a big deal. SS lines, T connection for the front, some banjo fittings and yer good to go.
 
Saltymonk and I have been working on a mod to use his twinpot Kawasaki setup on a single brake bike without going to dual discs. I'm all done, except for the test ride.

It may be enough of an improvement for your 750, or it may not. If it's enough it will save you buying both fork legs, ( you use your existing ones) two discs (only need one) and two calipers ( again it only needs one).
 
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