Yes, on my '87 Canadian Westy.
Dunno if mine is 34 or 35mm.

Pz
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On Sun, 18 Dec 2011 13:06:34 -0800, Alistair Bell <albell@SHAW.CA> wrote:

>PS do you know if the rear washer reservoir cap is a fit?
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>On 2011-12-18, at 12:41 PM, Old Volks Home wrote:
>
>> NO NO NO NO.  Do not use a garden hose cap, because the cap threads
>> are SAE and will ruin the fresh water drain pipe!  Use the right cap.
>> The pipe thread is 34 or 35mm