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WTB rear brake master cylinder - NOT a duplicate post

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patrino:
New forum member, picked up an FT500 last month, eager to get it on the road.

Bike did not have a rear master cylinder with it.  If you have one you're willing to sell, please let me know.  I know greenjeans is looking too.

Thanks, Patrick

J6G1Z:
From the Yahoo FT500 Ascot Owners Group: https://groups.yahoo.com/neo/groups/honda-ascot/files

Rear Brake Calipers that can be used to replace the FT500’s rear caliper.

Below is a list of verified suitable replacement calipers for the FT500’s rear brake. Also, at the bottom is a great tip for unsticking a badly stuck brake caliper piston.

Assemblies where 43101-MA3-006 is used

 1981 CB750F A - REAR BRAKE CALIPER
 1981 CB900F A - REAR BRAKE CALIPER
 1981 CBX A - REAR BRAKE CALIPER
 1982 CB750F A - REAR BRAKE CALIPER
 1982 CB900F A - REAR BRAKE CALIPER
 1982 CBX A - REAR BRAKE CALIPER
 1982 FT500 A - REAR BRAKE CALIPER
 1983 CB1100F A - REAR BRAKE CALIPER
 1983 FT500 A - REAR BRAKE CALIPER

Submitted by “wesley112977”

 the caliper from a vf500 fits - i know this because i've done it Submitted by “martinrook”

 CB1100F-D 1983 1100 CB1100F Street
 CB750F-B 1981 750 750 Super Sport Street
 CB750F-C 1982 750 750 Super Sport Street
 CB900F-B 1981 900 900 Super Sport Street
 CB900F-C 1982 900 900 Super Sport Street
 CBX-B 1981 1047 CBX Street
 CBX-C 1982 1047 CBX Street
 FT500-C 1982 500 FT500 Ascot Street
 FT500-D 1983 500 FT500 Ascot Street

Submitted from Zedder parts cross comparison software.

To unstick a badly stuck caliper piston: A friend of mine turned me onto the grease gun trick for removing stuck caliper/master cylinder pistons--works awesome. You really don't need an adaptor to make it work. Just unscrew the end from the grease gun and carefully thread the grease gun into the caliper/master cylinder. You'll only be able to get a couple of threads started, but that is enough. Several pumps of the grease gun and the stuck piston's out!!
Jointly submitted by “oldguzziguy” & “Antonio”

You can also add the 1987 to 1990 Honda CBR600 rear caliper to the list of rear calipers that will fit the FT500 Ascots.

Submitted by “oldguzziguy”
Part # = 43101-MA3-006
Part Description = CALIPER, REAR Model Count = 9

J6G1Z:
Sorry about that. I seem to have missed the "master cylinder" part. Usually there is a problem with the caliper.

There are rebuild kits available. You will have to search the I'net for a supplier. I think K&L offers some.

If you can locate a master cylinder with the same mounting holes & bore diameter, that should work. Look at the early Honda CBR 600 Hurricane parts.

Here is a picture of a Brembo master cylinder that someone from the Yahoo group adapted to work.

J6G1Z:
Found these:

https://www.davidsilverspares.com/FT500-ASCOT-1982-USA/part_176946/

https://www.bing.com/search?q=Honda+FT500+Ascot+rear+master+cylinder+rebuild+kit&form=APMCS1

patrino:
Thank you!

Getting close to taking it around the block for the first time.

With the help of some parts from Vicious Cycle here in Portland I was able to get a starter motor on her, and fired it up for the first time a couple weeks ago.  I'm hoping she'll be rideable within a couple weeks.  Want to make sure all the gears are there, etc. (I bought the bike as an unfinished project.)

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