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Non Vented Final Drive on my ‘55 R50
- CWRoady
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Re: Non Vented Final Drive on my ‘55 R50
1955 R50 / 1973 R75/5 / 1974 R90/6 Hack / 2015 RT
Yard Art 1968 +/- Hodaka & SACHS
- jwonder
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Re: Non Vented Final Drive on my ‘55 R50
Can you send a picture of the final result please, I am going to be doing the same thing on mine!
Vice President, Vintage BMW Motorcycle Owners
2022 BMW Friend Of the Marque
Long Island, New York
- CWRoady
- Posts: 91
- Joined: Mon Jun 29, 2020 3:42 pm
- Location: SoCal
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Re: Non Vented Final Drive on my ‘55 R50
Working from the bottom up, using brake line tubing, close the bottom end and put a breather hole in the side, then silicone it into the base plug fitting previously used. Silicone the opening in the base plug fitting to reduce the opening. Braze a section of conduit to the fitting as an oil reservoir (not really sure how much oil, if any, it will actually see). Mine is probably much longer than is necessary, and the top section was siliconed vs brazed on to allow me to shorten it if I want to experiment .. I'm glad to be done and will leave it like it is.
For the top section he went back to his odds and ends and found a spark plug saver, a small galvanized plumbing fitting, the freeze plug cap and some filtering material. Bob cut some air vents into the pipe fitting and brazed a nut into the opening to thread the vent cap too. Stuffed some filtering material into the opening for insurance and siliconed the top section onto the conduit brazed to the plug. Here is the installed pic as hidden by my panniers and from behind the curtain. Certainly not an attractive addition but a beautiful example of function over form. One could switch between this vent and a standard plug if they were in a beauty contest
1955 R50 / 1973 R75/5 / 1974 R90/6 Hack / 2015 RT
Yard Art 1968 +/- Hodaka & SACHS
Re: Non Vented Final Drive on my ‘55 R50
For anyone reading this I have no idea where this cool little plug with a spring loaded valve came from.
1956 R69, 1976 R90S, 2008 R1200GS