Stuck Cylinder Head Cover: Ideas? - BMW Luxury Touring Community
 
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post #1 of 7 Old Mar 5th, 2012, 6:53 pm Thread Starter
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Stuck Cylinder Head Cover: Ideas?

Trying to check valve clearance. Removed all bolts & tapped with rubber mallet like it says in Climer manual. But it's stuck!
I don't want to pry against the head.
Any ideas?

Thank you!

1995 K1100 LT Sold after 135,000 great miles
2001 K1200LT
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post #2 of 7 Old Mar 5th, 2012, 7:00 pm
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Re: Stuck Cylinder Head Cover: Ideas?

Be absolutely certain you got all the bolts, including the 1 towards the front in the centre of the cover between the cams. It should just let go as the rubber type seal is ribbed and normally doesn't adhere to the cover (in my experience). If it is stuck however, just insert a screwdriver at 1 corner and gently twist, do not drive it into the joint or the alloy will be damaged along with the sealing rubber.

Dennis
1987 Yamaha TY250R
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post #3 of 7 Old Mar 5th, 2012, 7:14 pm Thread Starter
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Re: Stuck Cylinder Head Cover: Ideas?

Bolt in the center. Let me check that I got that one.
I just read a thread about a leak due to that same bolt...
Thanks

1995 K1100 LT Sold after 135,000 great miles
2001 K1200LT
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post #4 of 7 Old Mar 5th, 2012, 8:44 pm Thread Starter
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Re: Stuck Cylinder Head Cover: Ideas?

Well, I had all the bolts out, just needed to give it a little twist with screw driver at the edge & it came free.

I did find 1 really tight intake & about 6 other clearances that are tight.

Might as well get it done now while it's still snowing here...

1995 K1100 LT Sold after 135,000 great miles
2001 K1200LT
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post #5 of 7 Old Mar 6th, 2012, 3:03 am
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Re: Stuck Cylinder Head Cover: Ideas?

"Tight " meaaning tighter than minimum spec I presume, that being the case, it's important that any tight exhaust valve clarances get addressed as a priority (burnt exhaust valves not good). So it's front engine cover off and cams out for you. Document all the (16) shim thicknesses and their positions for easy calculation of future new shims or position swaps.

Dennis
1987 Yamaha TY250R
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1988 K100RT (the pack horse)
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post #6 of 7 Old Mar 6th, 2012, 11:29 am Thread Starter
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Re: Stuck Cylinder Head Cover: Ideas?

Dennis,
Thanks for the input.
yes, I have 5 exhaust valves below min. I plan to pull them tonight & see what I need. I hope I can move a few around....
I went thru all maintenace records & do not see where valve clearance was ever checked & no lifter $ ever show up.
After 68k miles I surprised it's not worse.

I plan to keep this bike for many years. My 1992 K1100 LT has 135k miles on it when I solder her & she still ran like new!

1995 K1100 LT Sold after 135,000 great miles
2001 K1200LT
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post #7 of 7 Old Mar 6th, 2012, 12:07 pm
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Re: Stuck Cylinder Head Cover: Ideas?

[QUOTE=K100Dennis So it's front engine cover off and cams out for you. [/QUOTE]

No need to remove the front engine cover, just the valve cover.

John
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Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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