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Stuck engine side cover.

  • urankjj
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10 Apr 2024 12:31 #897458 by urankjj
Stuck engine side cover. was created by urankjj
Hey all, I'm finally getting around to hopefully getting my KZ back on the street. It was built as a race motor and is kick start only. I would like to get the electric starter functioning again if that is possible ? Currently there is no starter or starter/ rotor assembly (no charging system) under the left engine case. (I think). I believe we installed a Mark 2 crank and I want to verify that, but that engine case seems to be fused on. It's probably been about 35 yrs since it was last removed so that may have something to do with it. Anyway is there a trick or some easy way to get that cover off ? I definitely don't want to try prying anything. Thanks ahead. 

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  • hardrockminer
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10 Apr 2024 12:35 #897459 by hardrockminer
Replied by hardrockminer on topic Stuck engine side cover.
I just tap mine with a rubber mallet.  

I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.
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  • urankjj
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10 Apr 2024 12:49 #897461 by urankjj
Replied by urankjj on topic Stuck engine side cover.
Thanks, I will grab one at the depot and give that a try.

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10 Apr 2024 14:56 #897468 by urankjj
Replied by urankjj on topic Stuck engine side cover.
I was actually able to locate a Craftsman # 2 rubber mallet that I still have. After numerous attempts of very heavy tapping it is still not breaking loose. I will try some light bulb heat on the cover over night and then resume tapping 2marrow.

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10 Apr 2024 15:07 #897470 by Nerdy
Replied by Nerdy on topic Stuck engine side cover.
You might also want to try applying a penetrant like PB Blaster, Kroil, etc. and let that sit overnight. It may be more effective than the light bulb heat.

You're sure you have ALL the fasteners loose, right? :)

1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R

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10 Apr 2024 15:17 - 10 Apr 2024 15:19 #897472 by urankjj
Replied by urankjj on topic Stuck engine side cover.
Will do with the penetrent, need to get more Kroil. Yes all screws loose. ?
Last edit: 10 Apr 2024 15:19 by urankjj.

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10 Apr 2024 15:18 #897473 by Wookie58
Replied by Wookie58 on topic Stuck engine side cover.
Is it possible to pass a piece of broomhandle through the starter opening and tap from the inside out, once the seal is broken it should come away. You could also try pouring some acetone over the joint which may soften the gasket/sealer (I assume it is probably holding on "dowls" does the manual identify where they are located)
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10 Apr 2024 15:23 #897476 by Street Fighter LTD
Replied by Street Fighter LTD on topic Stuck engine side cover.
Your best bet is a dead blow hammer  .( Full of lead shot )
It wont leave any marks  
Hit the cover in all areas  other than forcing it on further  ( Does that make sense )
Then wiggle it like a mad man
Dave


Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn
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10 Apr 2024 15:26 #897477 by Nerdy
Replied by Nerdy on topic Stuck engine side cover.

Yes all screws loose. ?
 

Okay then

1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R
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10 Apr 2024 15:32 #897478 by sf4t7
Replied by sf4t7 on topic Stuck engine side cover.
When I changed that cover last summer (the old peeling chrome one had been on there for 35 years) I ended up carefully using my heat gun on its lowest setting and light to medium raps around the perimeter (at right angles to the bolt direction) with a plastic covered deadblow hammer to break the gasket grip.  There are also a couple of locating dowels in there to fight you.  Patience and persistence is the key.


Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion
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10 Apr 2024 15:36 #897480 by zed1015
Replied by zed1015 on topic Stuck engine side cover.
A few good whacks with a soft mallet will eventually shift it.
The locating dowels at the 1 and 6 o'clock positions are the areas that will be holding it and where you should pay most attention.

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  • urankjj
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10 Apr 2024 15:59 #897484 by urankjj
Replied by urankjj on topic Stuck engine side cover.
Thank you, I did notice that on some of the replacement gasket diagrams they showed a 9th screw hole that must be a dowel pin hole and not a screw hole.

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