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Author Topic: Neutral switch leak  (Read 807 times)

quixotic

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Neutral switch leak
« on: July 01, 2013, 06:57:14 PM »
Has anyone tried using Hi-temp silicone seal on this?  Or is the gear oil under pressure and just blows through?  
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Offline Bob_Roller

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Re: Neutral switch leak
« Reply #1 on: July 01, 2013, 06:58:35 PM »
The oil leak is through the switch itself, not around the threads .

The oil isn't under any pressure, there is a vent for the transmission, it's through the small hole drilled through the negative battery cable bolt at the speedometer drive cable area .
« Last Edit: July 01, 2013, 07:00:40 PM by Bob_Roller »
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'81 R65
'82 R65 LS
'84 R65 LS
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Riding all year long since 1993 .
I'll give up my R65, when they pry my cold dead hands from the handlebars !!!!!

Offline nhmaf

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Re: Neutral switch leak
« Reply #2 on: July 01, 2013, 08:40:24 PM »
The plastic internal body of the switch is generally the part that cracks and develops a leak.  There is an all-metal alternative, but I don't recall the brand at the moment.  If there is a leak on the thread area, it would indicate that a new crush washer is needed-
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Airhead #12178 ? BMWMOA #123173 ?BMWRA #33525 ?GSBMWR #563 ?1982 BMW R65LS ?1978 BMW R100/7 1998 Kawasaki Concours

Offline montmil

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Re: Neutral switch leak
« Reply #3 on: July 02, 2013, 09:06:07 AM »
Check Motobins for their R65 repop neutral switch. It's Italian made and mostly brass. Installed one on my '81 R65.

A more economical price than BMW OEM, no dribbles for years now and Royal Air Mail to Texas was less pricey than buying "local".
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Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet
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