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1981/82 KZ440 Valve adjusting caps 08 Aug 2020 18:50 #832455

  • Nebr_Rex
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Be really careful tapping on those nuts. They are a thin shell of a casting.
I have rounded off a few with an adjustable wrench. In a pinch a hammer
and chisel to break it loose as not to damage the hex head. Then when reinstalling
apply grease to the mating surfaces and just snug the nut. To much torque
with dry surfaces is the cause of the problem.


.
2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


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1981/82 KZ440 Valve adjusting caps 08 Aug 2020 18:57 #832458

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I would soak them with Kroil for a few days and then try to remove them. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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1981/82 KZ440 Valve adjusting caps 09 Aug 2020 08:08 #832471

  • Grcko
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Just a heads up on tightening them up. I just had one split on my bike. I found that the reason was after years of tightening it, the threaded part had split a bit from the outer ring. I just snug mine up a bit.
I just checked mine and it is a 27mm.
As Always,

1983 KZ440
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1981/82 KZ440 Valve adjusting caps 10 Aug 2020 14:45 #832580

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Unless it's a very thin socket or the engine is removed from the bike, you will need to use a wrench to remove them. A socket will not fit on the exhaust caps between the rocker box and the frame.
1980 KZ440-A1 LTD

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1981/82 KZ440 Valve adjusting caps 17 Aug 2020 16:29 #833124

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Grcko wrote: Just a heads up on tightening them up. I just had one split on my bike. I found that the reason was after years of tightening it, the threaded part had split a bit from the outer ring. I just snug mine up a bit.
I just checked mine and it is a 27mm.


There we go that’s the ticket! 27mm works great. So I took one off (currently fighting to get a sheared carb holder stud out....) and looks like someone did threadseal them who knows when.... lots of flaky black crap on the threads... I’m sure some fell inside when I pulled the cap... now what.
1981 Kawasaki KZ750 LTD

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1981/82 KZ440 Valve adjusting caps 18 Aug 2020 07:14 #833147

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I don't know if it needs to be cleaned out but personally I would pull the cylinder cover off and clean the crap out.
As Always,

1983 KZ440
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1981/82 KZ440 Valve adjusting caps 08 Nov 2020 07:15 #838239

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Unrelated to the original topic of this post, but does anyone know, definitively, what the hell the hose sizes are for the vacuum and fuel lines for a 1981 KZ440 A ??

Every post I find and every search I do turns up nebulous results and incomplete answers.

Cheers
1981 Kawasaki KZ750 LTD

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1981/82 KZ440 Valve adjusting caps 09 Nov 2020 05:08 #838274

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Try using this.


.
2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


.
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1981/82 KZ440 Valve adjusting caps 21 Nov 2020 04:24 #838698

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Thanks but I think I’m having trouble getting it to print to the correct scale.
1981 Kawasaki KZ750 LTD

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1981/82 KZ440 Valve adjusting caps 21 Nov 2020 06:17 #838703

  • TexasKZ
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Do you not have a ruler, tape measure, carpenter's square, or other measuring device in your house? Does a neighbor have one you can borrow? You can buy them at any hardware or lumber store.
I am sure this one is accurate enough for this project.


If you are dead set against buying a tool, then buy two or three sizes of hose. Use the one that fits, and take the rest back.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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Last edit: by TexasKZ.
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