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Broken Brand-New Speedo Angle Drive


JBBenson
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So, installed a new angle drive to fix my original that was leaking. Went for a drive out to the desert, doing the "Pines to Palms" highway, and on the way there my speedo stopped working. Also meaning my odometer stopped working too, which I use to gauge when its time to fuel.

 

Huh.

 

Well, no biggy, I can drive without a speedo. I drove another 140 miles and arrived in Thermal, CA.

 

So I removed the angle drive and spun the cable, and the speedo jumped. So, the cable isn't broken.

 

Then I removed the angle drive and saw this. The angle itself is frozen, it won't turn at all.

 

So the question is: anybody run into this? Do I remove the chrome-nut-drive-housing on the transmission and pull the assembly out? What does the assembly look like? Can I drive home with it like this? I hope that the metal drive stud, when it breaks, DOESNT fall inside the transmission.

 

Anybody know?

 

zctR2ir.jpg

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So, the torn off tip has to be trapped in the spindle drive/ pinion from the gearbox. Pretty sure it can't fall into the works (?)

 

Here are the parts: [per guzzimeister: missing is the thrust washer.]

IMG_6616.jpg

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These photos are really helpful, thanks Docc.

 

That broken angle drive post absolutely won't come out. Will that silver washer come out easily? Then maybe I can rock it back and forth a bit.

 

I have put the bike in gear and peered down the hole while rolling the bike back and forth. I think I can see something turning in there. If so, that's good. But yes, there must be a piece stuck in there.

 

If I remove this, what can I expect to see? That longitudinal gear and post sticking up? To receive the post sticking down from the angle drive?

 

QiaYrLd.jpg

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Update, just got it out...!

 

Wait, OK I think I got it. So that photo with the green background, that's what I will see if I remove the chrome nut from the transmission...

 

Got it.

 

Wondering if I should do this on the road. I would feel better if I found and removed the broken piece.

 

However, if I remove the chrome nut and the broken piece falls further into the transmission, that will be the start of a very bad day.

 

Very bad.

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Hi

 

be very careful if you are lifting the drive shaft with the worm gear up out of the gearbox. There is a thrust washer underneath it which can (will) fall into the gearbox.

 

The angle drive is not essential. Later V11s had a drive cable screwing directly into the gear box with out the angled drive. Angled drive virtually unobtainable now.

 

I would check the lubrication of the drive cable itself. I greased mine after two drive failures and never had another one. They are poxy weak little things anyway.

 

Cheers

 

Guzz

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The angle drive is not essential. Later V11s had a drive cable screwing directly into the gear box with out the angled drive. 

 

Meaning this one, from a later V11 Lemans, can screw directly into the transmission?

EA7gA0F.png

 

9InPlPN.png

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