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<p><font size="4" face="monospace">Andy I asked a similar question
back in 2002 and others continued the discussion. I'll paste the
relevant reply here in <i>italic</i> and then comment at the
end.</font></p>
<pre class="moz-quote-pre" wrap=""><i>I had a few folks ask me to get back with them if I found anything on the
rotors, therefore I'll post the answer. Below is a definitive response from
Dan. My new favorite parts store, owned by two brothers who are not on
computer and still have all sorts of catalogs for parts going back to the
60s looked up the rotors and told me the very technical answer, "book says
throw out at .310". I have not researched the drums yet... actually, I
still haven't got them to let go of the hubs, but I'm in no rush.
Matt
-----Original Message-----
From: Dan & Lori Fitzgerald [</i><i><a class="moz-txt-link-freetext" href="mailto:danlorifitz@earthlink.net">mailto:danlorifitz@earthlink.net</a></i><i>]
Sent: Monday, September 09, 2002 8:57 PM
To: Matthew Bouchelle
Subject: Re: Brake rotor min. thickness
Matt,
The new rotors are .500 inch and the minimum is .375 inch. The data came
from a factory service bulletin. Hope this helps.
Dan
</i></pre>
<pre class="moz-quote-pre" wrap=""><font size="4">Today's (5-2-22) comment:
I took my rotors to Pep Boys back in 2002 and the guy there (a Triumph owner) turned them for me. I can't remember if they were already in the .440-.450 range or that is what they were turned to. At the time the list said the .375 size (much less the .310 size) stated in the email from Matt was said to be way too thin (I would agree). And, I'm not sure where the person named Dan got this factory service bulletin from? As a general rule .040-.060 under original size is a common number. Anyway, I had a second set of rotors and I dashed them over to PB the same day thinking this might be the only chance that someone will turn them. Others had indicated that without a modern spec available many places refused to turn them.
I don't know the availability of new rotors. This is a "do at your own (and others) risk" thing but measure your rotors then find a rotor that is similar in the size you measure. Tell them they are rotors for that similar sized vehicle. It may be the only way you get them turned because they likely lack data on the Tiger and might say No! Just remember that this is a compromised means that limits the braking capability but if no other rotors are available it seems better than nothing.
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<div class="moz-cite-prefix">On 5/2/2022 10:10 AM, Andy Walker via
Tigers wrote:<br>
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cite="mid:000001d85e47$785b54d0$6911fe70$@cox.net">
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<p class="MsoNormal">Hey, guys:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My Tiger appears to have a very slight
warpage in one or both front brake rotors. Consequently, I’d
like to have them turned and trued up. Does anyone know what
the spec is as to how far the rotors can safely be turned
before they should be discarded? I have absolutely no idea if
my rotors have ever been turned, but it’s probably safe to
assume that they have been at some point. Any guidance would
be appreciated.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks much,<o:p></o:p></p>
<p class="MsoNormal">Andy Walker<o:p></o:p></p>
<p class="MsoNormal">Edmond, OK<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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