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Old 11-10-2012, 11:28 AM   #31
katego
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Quote:
Originally Posted by Mike Ryder View Post
So was the ticking a bomb then?
yikes. yeah, must have been.

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Old 11-10-2012, 11:51 AM   #32
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Originally Posted by vintagerider View Post
Two suspected causes of cam follower damage are valve lash too tight and lubrication failure. By the looks of those heavy varnish deposits there was overheating and/or extended oil change interval. The engine calls for API SF/SG. Newer automotive oils are SL/SM with low levels of ZDP.
That's the righthand side of the engine in the pictures - The left hand side was in perfect condition
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Old 11-10-2012, 12:45 PM   #33
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one more broken

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Originally Posted by Mike Ryder View Post
Steptoe, sir. I am sure that you know that countless 1150 owners are now removing their valve covers in dreaded anticipation. Well done. Thank you.
I just ran out now to have a look at mine. Have you any thoughts as to what may have caused this damage? It looks to me as though that head was over heated a bit.
Great pictures.
Well, yes, I am one of those "countless 1150 owners".
I had a bad sound developing on the right side of the engine. Removed cam and - here you go, the same picture with the exception that only half of cam and one follower is broken - the exhaust side.
For the intake part all seems well. Maybe that's why the sound is not that loud compared to videos in this thread.
I wonder if it would be possible to fix the cam somehow (welding/grinding/hardening)?

Also would be interesting to find out the cause of this problem. I would rule out the wrong oil, lack of oil and prolonged change intervals. Normally I keep valve lash on "tappy-happy" side...
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Old 11-10-2012, 04:47 PM   #34
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Quote:
Originally Posted by MikeO View Post
Well the good news is, I don't have to worry about the noise from the right hand valve gear...


That's not nice. I hope it is insured. Any idea what caused the fire?
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Old 11-10-2012, 05:34 PM   #35
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Old 11-11-2012, 07:36 PM   #36
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Quote:
Originally Posted by MikeO View Post
Video recorded this morning when the engine was cold...

That's the sound of a worn TB shaft bushing. Been there had that. Put a finger against the the TB cam, pulley thingy and you'll be able to verify straightaway. Glad the problem was solved [sic] but hope you didn't get injured in the process.
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Old 11-11-2012, 07:39 PM   #37
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Originally Posted by allonsye View Post
That's the sound of a worn TB shaft bushing. Been there had that. Put a finger against the the TB cam, pulley thingy and you'll be able to verify straightaway. Glad the problem was solved [sic] but hope you didn't get injured in the process.
You might want to read the ENTIRE thread.
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Old 11-11-2012, 07:43 PM   #38
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You might want to read the ENTIRE thread.
I had. Other than the bike having been destroyed (in effect "solving the problem") what else did I miss
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Old 11-12-2012, 03:04 AM   #39
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I had. Other than the bike having been destroyed (in effect "solving the problem") what else did I miss
That is wasn't the throttle body causing the noise
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Old 11-12-2012, 05:21 AM   #40
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That is wasn't the throttle body causing the noise
My point exactly.
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Old 11-12-2012, 05:26 AM   #41
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My point exactly.
Thanks for the clarification and enlightment
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Old 11-12-2012, 06:56 AM   #42
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Holy Crap Mike !!!
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Old 11-12-2012, 08:13 AM   #43
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Quote:
Originally Posted by allonsye View Post
That's the sound of a worn TB shaft bushing. Been there had that. Put a finger against the the TB cam, pulley thingy and you'll be able to verify straightaway. Glad the problem was solved [sic] but hope you didn't get injured in the process.
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Old 11-12-2012, 09:33 AM   #44
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So what happened? Don't leave us hanging!
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Old 11-12-2012, 02:32 PM   #45
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Quote:
Originally Posted by MikeO View Post
Well the good news is, I don't have to worry about the noise from the right hand valve gear...



Mike
Sad end to a wonderful bike. Sorry man.
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