Send it off and have it serviced, there are a few around the country that
are List Approved. I like West Valley Instruments in California but I have
also heard good things about Nissonger & Momo.
Yes, if you have too much lubricant in the cable is can get up into the
head. I started with new cables and did not add any extra lube to them
before installation.
Of course, if you have a kink in your cable routing this can create havoc
with the speedo reading too. If you have a new cable, properly routed, what
makes you think it is the problem?
For a non-O/D TR3, you should see 3,000rpm=60mph
I have about 3500 miles on my re-built speedo, rock solid and accurate.
Bill
-----Original Message-----
From: triumphs-bounces at autox.team.net
[mailto:triumphs-bounces at autox.team.net] On Behalf Of Hdefer
Sent: Thursday, March 15, 2012 10:58 PM
To: Triumph List
Subject: [TR] Erratic Speedometer
My TR3 speedometer whips at low speed, steadies out mid range and then
becomes erratic around 60 mph. I replaced the cable, routed it exactly same
way as the original , but the problem remained. I suspect it is still a
cable problem.
I read somewhere that lubricating with oil or other liquid is bad as the
factory carbon lubricant may migrate with it upwards into the speedometer
bearings which is harmful in the long run.
Is the speedometer the more likely culprit? Has anyone serviced one?
Could lack of damping with age be a problem?
Hans, 61TR3A
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