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I am stripping and refurbing my carbs, and came across this thread.
The link no longer works.
This one does
as does this one

The required diagrams have been added to our own Spares and Technical page and can now be seen as 'thumbnails' here:

Click on the thumbnail image to see the picture in full size.

If anything else is required, don't hesitate to contact me and I'll see what I can do.


Chat about Everything Else... / Data Protection Act 2018
« Last post by HOCAdmin on May 24, 2018, 11:25:59 PM »
Dear HOC Forum Members;

Today, Friday 25th May 2018, the Data Protection Act 2018 is enacted.

This brings with it a wealth of changes to the way an individual's personal data is 'processed'

As a 'not for profit' organisation.  The way in which HOC 'processes' your data within the Forum environment is entirely to permit the forum to function.  But, most importantly, the Data Protection Act 2018 gives every individual the right to request that any data held by an organisation be deleted (this is know as the 'Right to Be Forgotten'.  Consequently, this requires that our Forum Registration agreement be amended.  Any new members registering from this date forward will see this additional paragraph in the agreement:


The data you provide will be used by the Forum Administrators to send you information regarding updates to the Forum.  The forum software also permits other forum members to contact you using the information you provide.  The latter is optional and may be stopped at any time by editing your forum profile and account settings.  However, the forum software cannot function without this data, so, whilst your data can be deleted, at your request, at any time, receipt of such a request by the administrators will result in the subject account (and all data held) being deleted.  If you do not agree to this use of your data, please do not agree to this registration agreement.[/i]

Of course, the new act applies to existing members also, so please take a moment to consider whether or not you are content for the forum to collect and use your data.  If not, please message me via the Forum or at and I will delete your data at the earliest opportunity.  Unfortunately a SMF forum account cannot function without this data, so requests received for data deletion will also result in account deletion. Apologies for this, but it's outside administrative control.

Thanks for reading this.  I hope you're enjoying the HOC Forum and will continue to do so.


Forum Administrator
Requests for Help and (Hopefully) Answers / Re: Rear Brake failure
« Last post by Rob B on May 16, 2018, 07:55:25 PM »
Hi Arthur,

I agree with Dave, having made the same discovery. The second orifice for the fluid return is indeed minuscule. Probably 0.25mm so very hard to spot but the Master Cylinder simply won't do anything unless this is clear...
Requests for Help and (Hopefully) Answers / Re: Rear Brake failure
« Last post by Dave Snr on May 16, 2018, 08:58:20 AM »
Hi Arthur,

Are you getting any fluid to flow out of the master cylinder?
Disconnect the hose connection at the master cylinder and see if it pumps fluid out. If not check the holes connecting the reservoir to the piston cylinder - one of them is very small and easliy blocked with dirt or the grease they give you to lube the new seals. Check the piston is returning fully. Once the master cylinder is pumping fluid, you can reconnect it and it should bleed OK.

Good luck
Requests for Help and (Hopefully) Answers / Re: Rear Brake failure
« Last post by Chris N on May 16, 2018, 08:01:22 AM »
Hi Arthur the Mityvac should do the trick,i always use that to pull fluid thru the system then go i go back to opening and closing with a spanner to finish.
Requests for Help and (Hopefully) Answers / Re: Rear Brake failure
« Last post by ArthurFarrow on May 16, 2018, 05:45:55 AM »
Well I rebuilt the master cylinder ( carefully) fitted new Hel cable and a brand new rear calliper.


Tried reverse bleeding, normal bleeding, even shouting at it...all bleeding useless not a vestigial of anything and I'm close to building a huge funeral pyre and burning the bloody thing

Any ideas anybody ? I ordered a Mityvac in desperation.

Please god dont make me ride my BMW all summer........

Hesketh-Related Chat / Classic Bike Run
« Last post by Rob B on May 15, 2018, 08:28:27 PM »
Set off from Sheppy's Cider Farm opposite TOTAL TRIUMPH, Taunton at 09:30

I have registered the HESKETH on this one:

Hesketh-Related Chat / Festival of 1000 bikes
« Last post by Rob B on May 15, 2018, 08:21:56 PM »
Festival of 1000 Bikes is on again, apparently:

Hesketh-Related Chat / Bikers Ride-in
« Last post by Rob B on May 15, 2018, 08:18:30 PM »
Haynes International Motor Museum Breakfast Ride-in

3rd Sunday every month
Hesketh-Related Chat / Classic cars and bikes event
« Last post by Rob B on May 15, 2018, 08:13:11 PM »
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