Maybe just retightening the fixing screws might give the solution.
You never know...
Be careful with the type of seals you plan to use.
These should be able to withstand the aggressive brake fluid.
Cheers,
Hans
71 BGT
70 Puch MS50V
73 Puch MV50
Yes these are classic mopeds!
----- Original Message -----
From: "Councill, David" <dcouncill@msubillings.edu>
To: "Craig Straub" <craigstraub@sbcglobal.net>; <Mgs@autox.team.net>
Sent: Thursday, December 24, 2009 12:46 AM
Subject: Re: [Mgs] Brake Master Cylinder
> The plastic reservoir does have two flat round rubber seals where it
> seals against the metal cylinder. So a leak is possible from either one.
> I don't know how standard they are. They are in this Moss Motor
> illustration as part of the master cylinder rebuild kit:
>
> http://www.mossmotors.com/Shop/ViewProducts.aspx?PlateIndexID=29029&Sort
> Order=2
>
> Anymore I just order the actual parts if I can. A few times I have had
> to look for generic seals (like the rubber seals where the jets enter
> the float bowl on the SU carbs). Finding the correct flat seals has been
> a problem as the generic o-rings I have found tend to be round not flat
> although they may work if proper diameter and thickness. But for $17.95
> USD and shipping, you will get what should be the sure thing.
>
> David Councill
> 64 B
> 67 BGT
> 72 B
>
> -----Original Message-----
> From: mgs-bounces@autox.team.net [mailto:mgs-bounces@autox.team.net] On
> Behalf Of Craig Straub
> Sent: Wednesday, December 23, 2009 3:34 PM
> To: mgs@autox.team.net
> Subject: Re: [Mgs] Brake Master Cylinder
>
> This is a 1973 dual master cylinder that I purchased new a couple of
> years
> ago and has the plastic tank reservior.
>
> It is not leaking at the rear connection. Can only assume that it is
> leaking at the tank area.
>
> Are the "O" rings standard where I can just go to the autoparts store
> and
> get new and what size are they?
>
> Finally getting around to getting the car running after 6 years of
> sitting.
>
> I have had the car since brand new and have upgraded the engine with
> Mikuni
> side draft carb, Pace headers, an upgraded cam, and 30 over pistons.
>
> This is the cheapest solution I have. I had been looking at Lotus
> Elise's
> but they are not cheap and I really cannot get my 6'3" body into one
> plus my
> sir arthur really acts up also when trying to get into one. .
>
> Oh by the way my race car is a Lotus Super 7. Getting in is like
> slipping
> on a pair of shoes.
>
> Craig
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