[OntVFR] speedo joint follow-up

J Tam jordantamlists at gmail.com
Mon Sep 21 13:28:58 EDT 2015


Hmm, I guess we were going a bit faster than 120 then. ;)


On Mon, Sep 21, 2015 at 1:14 PM, Lisa <geekgrrrl at gmail.com> wrote:

> Problem is out in hunting country lamp posts are few and far between
>
> Lisa
>
>
> On Sep 21, 2015, at 11:33, J Tam <jordantamlists at gmail.com> wrote:
>
> Yes, it was designed to be the cheapo, easy access, weak link.  Imagine
> all the other possible damage if that plastic drive were made from steel!
> The horror!  15 bucks and 15 minutes of wrenching, seems like a great
> maintenance design idea from those developers. And if you get it busted out
> in hunting country,  you _could_  whittle a replacement, if you brought
> tools...or ride by eye and ear for speed feedback.  I reckon 13 to 17 lamp
> posts per minute equals 120 kph ;))
>
>
> On Mon, Sep 21, 2015 at 10:50 AM, Robyn B Landers <rblanders at uwaterloo.ca>
> wrote:
>
>> I replaced the speedo joint yesterday.
>> It wears on the side that fits over the hex-head bolt on the
>> countershaft sprocket by rounding out enough to skip over the bolt.
>>
>> Jordan's ideas about casting one or strengthening a stock one
>> are interesting, but I'm wondering if the joint is deliberately
>> the weak link, i.e. it is intended to be the part that fails
>> if anything is going to go wrong.  It's relatively inexpensive
>> and easy to get to.  If it were really strong, and something
>> else went wrong from insufficiently free motion, then you'd
>> maybe be replacing the speedometer or some other more expensive
>> part in the system.  Or maybe I'm overthinking it.
>>
>> Anyway, I took off the drive fitting from the end of the cable
>> and drizzled in a fair bit of cable lube before reassembling.
>> I'll let you know in another several thousand kilometres whether
>> this seems to have made any difference.
>>
>>
>> Robyn
>> '93 VFR "Snow White"
>>
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>
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