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| GeorgeB. |
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GeorgeB.
Crazy Courier
Joined: 08 Mar 2013
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 Posted: 16:47 - 04 Jul 2015  Post subject: Did I just buy Bodyguard's Fazer? |
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Just bought a fazer off a bloke in Darwen. As I was getting it home, the clutch cable snapped. That's a bit unfortunately timed, I think to myself. No worries though, I'll go and grab a new one and fit it, go out on it in time for a blast before work.
Whip the front sprocket cover off, only to find this:
https://imgur.com/celMF8G
I reckon it's snapped changing gear without the clutch. Fucking annoyed isn't the word. Gonna see if the guy will just refund it, but my hopes aren't high.
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Current: '99 Fazer 600 | '99 Range Rover P38 4.6 HSE
Previous: Keeway TX125 | CBF 125 | CB400SF Project Big One
CBT 04/12/12 | Theory 03/12/13 | MOD 1 06/01/14 | MOD 2 13/01/14 |
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| Nobby the Bastard |
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Nobby the Bastard
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| GeorgeB. |
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GeorgeB.
Crazy Courier
Joined: 08 Mar 2013
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| Posted: 16:51 - 04 Jul 2015 Post subject: |
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https://imgur.com/celMF8G
____________________
Current: '99 Fazer 600 | '99 Range Rover P38 4.6 HSE
Previous: Keeway TX125 | CBF 125 | CB400SF Project Big One
CBT 04/12/12 | Theory 03/12/13 | MOD 1 06/01/14 | MOD 2 13/01/14 |
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| NJD |
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NJD
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| CaNsA |
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CaNsA
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| Posted: 16:54 - 04 Jul 2015 Post subject: |
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| Pete. |
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Pete.
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| Posted: 17:09 - 04 Jul 2015 Post subject: |
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What's the shaft look like? I had a yammy and the thread was pulled out of the nut but the thread on the shaft was fine.
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a.k.a 'Geri'
132.9mph off and walked away. Gear is good, gear is good, gear is very very good  |
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| Vracktal |
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Vracktal
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| WD Forte |
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WD Forte
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| Posted: 18:05 - 04 Jul 2015 Post subject: |
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Yep looks nasty, I'd be seriously pissed off to find that.
(Its not even a good bodge, ie crude but effective)
Cant see the relative dimensions so unsure of shaft diameter
but if a refund or new shaft is a PITA,
is there anything be said for counterboring and tapping the output shaft and using a bolt/washer type thing?
https://oi60.tinypic.com/2rndg85.jpg
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| Pete. |
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Pete.
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| Posted: 18:11 - 04 Jul 2015 Post subject: |
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Might be possible to recover with a decent thread file and a new nut.
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a.k.a 'Geri'
132.9mph off and walked away. Gear is good, gear is good, gear is very very good |
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| chickenstrip |
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chickenstrip
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| Posted: 18:16 - 04 Jul 2015 Post subject: |
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If you're stuck with the bike, it might be worth approaching Yamaha regarding a replacement nut and shaft.
Yamaha issued a thicker replacement sprocket nut (originals were 9mm thick, I think the replacement is 12mm). They said it wasn't a recall but a modification
They also replaced some output shafts depending on certain thread measurements, which unfortunately it doesn't look like you'll be able to take. But if that is a 9mm nut, you might be able to argue for the output shaft replacement too. All if you can't chuck the bike back at the seller of course. Might be worth a shot.
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| Polarbear |
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Polarbear
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| Pete. |
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Pete.
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| Posted: 18:38 - 04 Jul 2015 Post subject: |
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What you got to lose? The nut can't fall off with the sprocket cover fitted.
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a.k.a 'Geri'
132.9mph off and walked away. Gear is good, gear is good, gear is very very good |
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| chickenstrip |
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chickenstrip
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| Posted: 18:46 - 04 Jul 2015 Post subject: |
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| Pete. wrote: | What you got to lose? The nut can't fall off with the sprocket cover fitted. |
The 9mm nuts can and do come off. It's well documented that a number of owners have taken the cover off to find no nut there at all 
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| Pete. |
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Pete.
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| Polarbear |
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Polarbear
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| Posted: 19:24 - 04 Jul 2015 Post subject: |
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| WD Forte wrote: | Yep looks nasty, I'd be seriously pissed off to find that.
(Its not even a good bodge, ie crude but effective)
Cant see the relative dimensions so unsure of shaft diameter
but if a refund or new shaft is a PITA,
is there anything be said for counterboring and tapping the output shaft and using a bolt/washer type thing?
https://oi60.tinypic.com/2rndg85.jpg |
Couldn't go too large on the hole size though. That shaft transmits the full power from gearbox to front sprocket so I'm not sure how much metal removal it would take without failing.
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| Sload |
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Sload
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| Rogerborg |
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Rogerborg
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| Posted: 19:55 - 04 Jul 2015 Post subject: |
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Wouldn't the "cheapest and easiest solution" be to weld the nut back on?
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| Vracktal |
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Vracktal
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| Posted: 19:57 - 04 Jul 2015 Post subject: |
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| Polarbear wrote: | | WD Forte wrote: | Yep looks nasty, I'd be seriously pissed off to find that.
(Its not even a good bodge, ie crude but effective)
Cant see the relative dimensions so unsure of shaft diameter
but if a refund or new shaft is a PITA,
is there anything be said for counterboring and tapping the output shaft and using a bolt/washer type thing?
https://oi60.tinypic.com/2rndg85.jpg |
Couldn't go too large on the hole size though. That shaft transmits the full power from gearbox to front sprocket so I'm not sure how much metal removal it would take without failing. |
Also worth considering - the sprocket and gearbox shaft get pretty hot at motorway speeds, might find using this method ends up with the bolt permanently seizing in the hole you drill. 
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| stinkwheel |
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stinkwheel
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| Sload |
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Sload
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| stinkwheel |
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stinkwheel
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| bugeye_bob |
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bugeye_bob
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| Pete. |
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Pete.
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| Posted: 20:53 - 04 Jul 2015 Post subject: |
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C-clip is a viable option. Cutting the groove would be a heck of an exercise but I reckon it's doable with a jig.
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a.k.a 'Geri'
132.9mph off and walked away. Gear is good, gear is good, gear is very very good |
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| mentalboy |
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mentalboy
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| chickenstrip |
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chickenstrip
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| Posted: 21:20 - 04 Jul 2015 Post subject: |
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Well, don't know about you lot, but if I were keeping the bike, I'd do as I suggested and approach Yamaha first. Any kind of drilling, grooving the shaft for clips etc has got to be a second choice to a replacement shaft and nut gratis on Yamaha?
It has been successful in past cases. Whether or not they would still do it now, I don't know, but what you got to lose by asking? It's a problem well known to Yamaha.
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Old Thread Alert!
The last post was made 11 years, 66 days ago. Instead of replying here, would creating a new thread be more useful? |
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I know people who'd do it. Then again, I know someone who skimmed their rear brake drum by running the bike in gear on the mainstand having first glued emery paper to an old set of brake shoes and giving the adjuster nut a 1/4 turn every time it went quiet.
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