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RE: Oil filler cap

The hexhead design is threaded on the cap and in the valve cover.  It's
actually much simpler and not likely to ever leak.  It makes you wonder
why they didn't do that from the beginning.

-----Original Message-----
From: owner-oilheads@xxxxxxxxx [mailto:owner-oilheads@xxxxxxxxx] On
Behalf Of Dancoe, John
Sent: Wednesday, June 25, 2008 2:51 PM
To: oilheads-digest
Subject: Oil filler cap

Back in '95 I put a viton o-ring in my engine oil filler cap, and it's
working fine 'til just recently.

I need to replace the o-ring, or maybe spring for a tamper-proof filler

I'm not super worried about sabotage; the bike's in secure parking 99.9%
the time and it's never been a big issue in my personal experience or on
list. Still, it doesn't seem like a bad idea to address a fairly

What do we like in tamper-proof caps these days--if anything? Seems like
read on this list that some on the market have mechanical issues (jam
come loose or some such). I don't need to sabotage myself!

Are hex head OEM caps back-compatible? I'm betting not but that could be
nice choice if they are.

Who's a likely supplier for the replacement o-ring in viton? My notes
say it's
a #214 but no clue where I bought it.

John Dancoe
'93 R11RS