'83 KZ1100 Shaft Head Help

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10 Jun 2024 07:58 #900551 by ForsakeNxJT
'83 KZ1100 Shaft Head Help was created by ForsakeNxJT
I have an '83 KZ1100 Shaft that, while having the carbs rebuilt,  I decided to tackle an oil leak below the cylinders.  When Putting everything back together I was torque-ing the camshaft covers to 10 ftlbs and a couple of the bolts stripped the threads out.  I attempted to fix with helicoils but to no avail.  Does anyone know of a shop the can fill and recap and die these threads or where I can find a replacement head?  I've tried all my local machine shops and none of them will touch it or return my calls.

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10 Jun 2024 08:40 #900552 by Wookie58
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  • SWest
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10 Jun 2024 08:51 #900553 by SWest
Replied by SWest on topic '83 KZ1100 Shaft Head Help
What kind of heilcoils did you try? Pics? You may have to go with inserts like these if the holes are too big for Time Serts. 
Steve

 
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10 Jun 2024 11:51 #900564 by zed1015
Replied by zed1015 on topic '83 KZ1100 Shaft Head Help
10ft/lbs is too tight.
Around 7ft/lbs max is all you would need on the cam cover and just nipping up by hand with a 10mm spanner is really all that's needed.

 

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12 Jun 2024 18:59 #900645 by daveo
Replied by daveo on topic '83 KZ1100 Shaft Head Help
Have two beautiful stock camshafts just in case...


1982 KZ1100-A2

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21 Jun 2024 01:55 - 21 Jun 2024 01:56 #901057 by ForsakeNxJT
Replied by ForsakeNxJT on topic '83 KZ1100 Shaft Head Help
@Daveo The camshafts are fine I would need a cylinder head, if I can't fix the one I have.
Last edit: 21 Jun 2024 01:56 by ForsakeNxJT.

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21 Jun 2024 03:55 #901058 by asphalt900
Replied by asphalt900 on topic '83 KZ1100 Shaft Head Help
You say "camshaft covers", are you referring to the "camshaft caps" instead? The chunks of aluminum with 4-bolts per that hold your camshaft in place? Also are they broken on only one side, Intake or Exhaust?
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10 Jul 2024 10:03 #901976 by ForsakeNxJT
Replied by ForsakeNxJT on topic '83 KZ1100 Shaft Head Help
yes the mounting holes for the camshaft caps.  the inserts listed above should do the trick.

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10 Jul 2024 11:36 #901982 by asphalt900
Replied by asphalt900 on topic '83 KZ1100 Shaft Head Help
Not to complex things but.. If You'd stripped one of the threads in/under one of the locater dowels, don't use an insert. You'll oversize the milling for the dowel. If all your problems are specific to ONE camshaft then you can just stud them. Ya can't do both, won't be able to get the camchain on.  

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10 Jul 2024 11:42 #901983 by asphalt900
Replied by asphalt900 on topic '83 KZ1100 Shaft Head Help
And Lord above, why this happens all the time is user error. Then the bitchin" begins. NEVER use the M6 bolts to pull the couple lobes resting on the buckets to force the camshaft covers into submission!!

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