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Welcome / Hello from Germany
« Last post by FT-racer on October 06, 2017, 10:55:18 PM »
Hello everybody,

I came across this forum and want to let you know that I have built a full race  bike with an Ascot engine in a CB250RS frame. I am competing in a classic bike race series in Germany and the bike is running  quite successfuly l in the 500 pre 83 category. I have done a full race conversion to the engine with Wiseco 10.5 piston, Megacycle 144-21 valve train, head porting etc and it pulls 52 back wheel hp on a dynojet
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Tech Section / Re: 428 chain conversion
« Last post by triguyracer on October 06, 2017, 08:59:28 AM »
520 is the way to go, strong enough for a modern 450 MX bike so plenty strong enough for your Ascot and lots of gearing choices ,less weight ,less rotatating mass and stronger than the the original stock 530 chain
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Tech Section / Re: 428 chain conversion
« Last post by J6G1Z on October 05, 2017, 11:50:22 AM »
Never heard of a 428 chain on an Ascot.

Do the 520 & consider it done.

J.
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Tech Section / Re: 428 chain conversion
« Last post by murdo on October 04, 2017, 10:34:06 PM »
Why would you do that? The standard chain wears fairly well, so why fit one that will wear quicker?
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Tech Section / 428 chain conversion
« Last post by patrino on September 29, 2017, 08:08:35 PM »
Hello!  New Ascot owner.

Just got the bike running a couple weeks ago.  Trying to get it rideable now.

Has anyone looked into doing a 428 chain conversion on the FT500?

Before I start poking around figured I'd ask if anyone has already looked into this.

My bike has a 530 chain now.  520 conversion is easy, but also still seems to be too much chain for the bike.

Any suggestions welcome.

Thanks!

Patrick
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Classified Ads / Re: WTB rear brake master cylinder - NOT a duplicate post
« Last post by patrino on September 26, 2017, 05:54:20 PM »
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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The Thumper Years: Stock To Lightly Modified / Re: Considering an Ascot
« Last post by scott s on September 26, 2017, 03:22:45 PM »
 Sorry....been over on the V twin side!

 Yes, I bought it. See here:

http://ascot500.com/index.php?topic=807.0

 So much fun! Light and nimble and not too powerful.
 And guess what? I have a line on a thumper! Going to look at it this weekend.
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Classified Ads / Re: WTB rear brake master cylinder - NOT a duplicate post
« Last post by J6G1Z on September 26, 2017, 11:02:14 AM »
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.
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Classified Ads / Re: WTB rear brake master cylinder - NOT a duplicate post
« Last post by J6G1Z on September 25, 2017, 04:53:50 PM »
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
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