Stuck oil pan

  • DMR
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Stuck oil pan

17 Jun 2009 17:57
#300005
I'm going to change the oil pan gasket on my 1980 650, and I have a feeling it's never been changed before. I can't get the pan to come off for the life of me. Any tips?
1980 KZ650
-Vance and Hines exhaust

Duluth, MN

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  • timebomb33
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Re: Stuck oil pan

17 Jun 2009 18:02
#300007
sounds to me like you may have missed some bolts is the oil filter out as well
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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  • DMR
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Re: Stuck oil pan

17 Jun 2009 18:32
#300015
yep, filter is out as well as all the bolts, it wont budge.
1980 KZ650
-Vance and Hines exhaust

Duluth, MN

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  • Bluemeanie
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Re: Stuck oil pan

17 Jun 2009 19:11
#300026
Welcome fellow F1 owner! Oil pan is stuck on tight, double check that ALL bolt are out as timebomb33 suggested. You can smack it a couple times with a mallet and if that does not work you'll have to take a thin chisel (gasket scraper works good) and carefully start it with a hammer between the motor and pan, once you get it in it should separate the parts. ;)
1980 KZ650F1, Bought new out the door for $2,162.98!

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  • telefunkin
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Re: Stuck oil pan

17 Jun 2009 19:53
#300059
Chances are it was never changed before. The oil pan gaskets on some, if not all, kz's were sealed with some kind of gasket cement/glue at the factory. Most times the pan will come off but the old gasket is stuck to the engine.

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  • bountyhunter
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Re: Stuck oil pan

17 Jun 2009 22:25
#300122
Pocket knife blade tapped into the gap gently at the corners.
1979 KZ-750 Twin

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  • DMR
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Re: Stuck oil pan

17 Jun 2009 23:21
#300135
bountyhunter wrote:
Pocket knife blade tapped into the gap gently at the corners.

I'll give this a try tomorrow and see how it goes.
1980 KZ650
-Vance and Hines exhaust

Duluth, MN

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  • DMR
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Re: Stuck oil pan

18 Jun 2009 09:08
#300238
Getting a knife around the edges didn't work.

I took all 15 bolts out, is there anything I'm missing? There is absolutely no movement in the pan, it feels like it's still bolted on. Are there any good products that I can buy that I can spray on and let it penetrate the adhesive so I can get this thing off?
1980 KZ650
-Vance and Hines exhaust

Duluth, MN

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  • timebomb33
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Re: Stuck oil pan

18 Jun 2009 09:16
#300241
do you have a deadblow hammer or a copper/brass hammer if so give it sideways if not use a piece of wood and smack it with a regular hammer it should shock it loose
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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  • timebomb33
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Re: Stuck oil pan

18 Jun 2009 09:22
#300243
one other thing don't jam anything in between the gasket surfaces as it will cause major leaks in the future.
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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  • DMR
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Re: Stuck oil pan

18 Jun 2009 09:25
#300244
timebomb33 wrote:
do you have a deadblow hammer or a copper/brass hammer if so give it sideways if not use a piece of wood and smack it with a regular hammer it should shock it loose

This is what I ended up doing and it finally popped off.

Thanks for the suggestions.
1980 KZ650
-Vance and Hines exhaust

Duluth, MN

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  • MFolks
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Re: Stuck oil pan

18 Jun 2009 11:07
#300273
Make sure to remove the old gasket with a non metalic scraper. I use a piece of either lexan or plexiglass sharpened with a file. You do not want to gouge or damage the surfaces as they will leak.
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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