Removing cylinders

  • Lazyman06
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Removing cylinders

17 Aug 2015 19:55
#686161
Been trying to tear down the engine and I've got it down to the cylinders but I can't get it to budge an inch. Any suggestions?
1979 KZ1000 MK II frame
1980 KZ1000 C3 police engine

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  • nickleo373
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Re: Removing cylinders

17 Aug 2015 20:01
#686162
I don't know about your model, but on the 550 there is a small slot cut into the side of the engine where you can pry the cylinders up with a screwdriver or something
1981 KZ550C LTD
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  • SWest
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Re: Removing cylinders

17 Aug 2015 20:04
#686164
Z1/KZ1000 too. I use a rubber mallet too.
Steve

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Re: Re:Removing cylinders

17 Aug 2015 21:16
#686171
Yep i saw the slots but didn't want to pry up too hard and break something
1979 KZ1000 MK II frame
1980 KZ1000 C3 police engine

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Re: Re:Removing cylinders

17 Aug 2015 21:28
#686173
Don't bop the fins but you can get it loose and pry it up enough to get them off.
Steve

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  • jeffo
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Re: Re:Removing cylinders

17 Aug 2015 22:56
#686176
1981 KZ650H1 CSR

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Re: Re:Removing cylinders

18 Aug 2015 03:55
#686183
I would spray plenty of release oil down the studs and around the gasket areas, light tap with a rubber mallet - be real careful here as the lower fins can break off so make your mallet hits contact several fins at once. There are cut outs in the base gasket for leverage points, use these only.

If the block is stuck you can cut two 1 inch plastic tubes or wood and put them in the bores, fasten cylinder head to block with the 5 m6 studs and turn the motor with a big lever to pull the block off. If that doesn't do it then removing or cutting through the 12 main studs is the next step.
1980 Gpz550 D1, 1981 GPz550 D1. 1982 GPz750R1. 1983 z1000R R2. all four aces

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Re: Re:Removing cylinders

18 Aug 2015 06:58
#686198
Wait a minute. Pics, need pics.
Steve

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  • BohicaBob
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Re: Re:Removing cylinders

18 Aug 2015 09:24
#686211
Best solution I came up with years ago to more easily remove the cylinder block on my Z1s and KZs is to make a steel bar that's thick (maybe 3/4" thick) and long enough to span the width of the cylinder block generously (so that you have room to use a mallet without hitting the block). It should be wide, like 3"-4" too. Drill 2 holes that line up with the two 6mm holes at the ends of the top sides of the block.

Use heavy duty bolts and bolt the bar onto the cylinder block securely. Use a heavy duty rubber or plastic mallet evenly and the block will come. :)

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Re: Re:Removing cylinders

18 Aug 2015 11:13
#686226
Some morons used Permatex. Nightmare. :angry:
Steve

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Re: Re:Removing cylinders

18 Aug 2015 13:55
#686248
Top end is completely disassembled and I broke a screwdriver in the slot :/
1979 KZ1000 MK II frame
1980 KZ1000 C3 police engine

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