Hey John: I just did a duplex chain on my 1275 Mini with new gears and yes, it
looked almost impossibly tight. But it did go on nice and smood. I would
recommend replacing everything at the same time whichever way you go, duplex or
oneplex (?). If you don't the worn parts are only gonna grind on the new parts
and wear them out faster. IMHO.
Geoff Branch
'74 Meejit "Yellow Peril"
'72 Innocenti 1300 Mini
----- Original Message -----
From "john donohoe" <gt6driver at yahoo.com>
To: <spridgets@autox.team.net>
Sent: Wednesday, April 03, 2002 8:49 AM
Subject: Timing Chain General Question
> Greetings all!
>
> I'd been told the rattle on my 948 was a timing chain
> noise, so I decided to have a look. As I did a bit of
> research, I determined that the upgrade to a duplex
> chain/gears was the way to go so that I wouldn't have
> to do this on an annual basis!
>
> I'll attempt to keep this short by saying that I
> obtained a "good used" set of gears and chain from a
> reliable friend. I was surprised when I test-fit it
> that the chain didn't seem any tighter than the single
> row which rattled...
>
> When I attempted to re-fit the single row gears with a
> NEW single row chain, I could barely even get the
> chain to wrap around the cam sprocket - seems that if
> I attempt to install that one, it would be VERY
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