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Driveshaft/Gearbox


cash1000

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Input shaft rotates freely in neutral & 1/4 turn when in gear. Output shaft only moves 3 teeth in any gear. Its differcult to change select gears above 2nd. Conclusion damage is in gearbox. Is it worth taking rear cover of g/b off to see if damage is in there?

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19 minutes ago, cash1000 said:

Input shaft rotates freely in neutral & 1/4 turn when in gear. Output shaft only moves 3 teeth in any gear. Its differcult to change select gears above 2nd. Conclusion damage is in gearbox. Is it worth taking rear cover of g/b off to see if damage is in there?

Or just leave it to the fellows with the special tools? I admit it would be tempting to have a look inside . . .

These are the nefarious recall parts:

gearbox_bad_parts.JPG

Otherwise, as @pete roper said, "Perhaps the nuts on the end of the shafts have loosened/spun off? That was the issue with the last V11 box I was buggering about with . "

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22 minutes ago, cash1000 said:

Input shaft rotates freely in neutral & 1/4 turn when in gear. Output shaft only moves 3 teeth in any gear. Its differcult to change select gears above 2nd. Conclusion damage is in gearbox. Is it worth taking rear cover of g/b off to see if damage is in there?

Imo...Send it to Pete, obviously its the gearbox right? ...and put a new clutch in while you have it out, best time to eliminate that potential problem (I assume you have the aluminum flywheel?). 

Best of luck!! 

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39 minutes ago, cash1000 said:

Hi Pete Roper

How do I contact you?

Your profile is set to not receive personnel messages

Really? That's weird. I get PM'd all the time.

No matter email me at.

motomoda

dot

roper

@

gmail

dot

com

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4 hours ago, pete roper said:

Really? That's weird. I get PM'd all the time.

No matter email me at.

motomoda

dot

roper

@

gmail

dot

com

Yes it is.

I've messaged Doc about it no problem

I've just emailed you about gearbox

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8 hours ago, cash1000 said:

Yes it is.

I've messaged Doc about it no problem

I've just emailed you about gearbox

Same here, "Pete Roper cannot receive messages."

Perhaps your inbox has reached capacity, Pete? Time to delete off the older ones?

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While the gearbox is out, good time to address a couple other important areas:

First, of course, is to disassemble the clutch to get eyes on the surface of the flywheel to inspect for cracks where it bolts to the crankshaft (image from Scura, c. 2016, crankshaft/forward side):

IMG_0930-L.jpg

 

Also, a good time to assess/address the various leak sources in that space:

IMG_2704.JPG

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Okay, well, a couple other things . . .

Of course, a look/change of the swingarm bearings and that bloody-farking front UNI-joint  . . .

IMG_3094.jpg

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43 minutes ago, docc said:

Okay, well, a couple other things . . .

Of course, a look/change of the swingarm bearings and that bloody-farking front UNI-joint  . . .

IMG_3094.jpg

Docc, you need more hemostats.....

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8 hours ago, docc said:

....that bloody-farking front UNI-joint  . . .

 

Docc, going by that photo, I think you really need to take more care about keeping things clean and orderly when you're working on a bike. :P:grin:

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