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1976 Kz 900 A4 08 Apr 2021 12:10 #846392

  • Mikaw
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Matt, I have the right side mounting bracket, in good condition but not the rubber.  It's yours if you want it.  

I'm heading out for a couple of hours.  I can post photos when I return.



HRM
I have several complete sets, thank you. Unfortunately non have rubber in good enough condition. I have a set of repop that might have to go on for now till I find the NOS, or a VGC OEM that I can replated.

 

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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1976 Kz 900 A4 02 May 2021 11:15 #847873

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Ok I’ve been chasing down parts, cleaning and detailing. Mostly getting up the nerve to start the lower engine assembly. It’s the real reason I’m procrastinating. Aslo I wanted most of the engine parts lined up so the lower won’t sit around unfinished to long. So I need some advice. 

First off the front pegs have been resolved. Maybe a little to anal over them but it’s behind me Two NOS in the house. 

 

Next I need advice on cam chain idlers. How much play is acceptable in the top idler? I will need axles, the (2) geared idlers (Kawasaki 12057-002), and the tensioner Assembly (Kawasaki 12048-001). Man for the size I have to say these are the most expensive engine parts.I have the rubber rectangular dampers, and the top idler dampers. I have taking a chance on used twice and bombed out twice. 

 

  
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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1976 Kz 900 A4 02 May 2021 12:41 #847883

  • hardrockminer
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I would not tolerate any noticeable play in the top tensioner.  I recently bought one OEM through Partzilla...yes...very expensive.  Many folk recommend Liska.
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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1976 Kz 900 A4 02 May 2021 14:47 #847891

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If needed, i can offer you a NOS 12057-002 idler for 100 Euro shipped. 

 
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1976 Kz 900 A4 10 May 2021 10:12 #848305

  • z1kzonly
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Hey MiKaw Matt, sent you an IM I hope? Getting tricky lately?
But are these the 3 you need? I cleaned them up in the glass bead cabinet.
Should be fine, no pits or grooves. I need your address, I never saved it.
Marty in Buffalo
Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

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1976 Kz 900 A4 12 May 2021 06:06 #848346

  • Mikaw
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If needed, i can offer you a NOS 12057-002 idler for 100 Euro shipped. 

 

Thank you. I have a few items on order once they come in a will figure out what’s good, what I have and what I need. 
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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1976 Kz 900 A4 12 May 2021 07:22 #848349

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Hi Matt, I sent  3 rollers out to you, 1st. class mail Tuesday. Just a heads up, small manila envelope.

Marty in Buffalo.
Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

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1976 Kz 900 A4 12 May 2021 10:01 #848352

  • Mikaw
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Hi Matt, I sent  3 rollers out to you, 1st. class mail Tuesday. Just a heads up, small manila envelope.

Marty in Buffalo.

Thanks Marty. I’ll be on the lookout 
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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1976 Kz 900 A4 21 May 2021 15:47 #848837

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Chugging along. This slow down is tough to handle, budget is wack. I’m not tossing in the towel just backing down on the per month purchasing. 

Pistons are here. Middle cam gear idlers. Ring compressor (thanks to Dr. Gamma). Z1kzonly helped with the idler shafts. Just need to source a top cam chain gear and I thing I’m ready. Head is out at machine shop. Randomly tripped over an old school metric engine builder, and close, maybe 20 minutes ride. He’s doing the block also. Plan is to get the pistons and rings to him when I pick up the head. Might even get it running this season.
At some point I have get out my big boy pants and get over it and get the lower assembled. Just eating me up thinking and not going to get the cases sealed up right. Tossing the block and head on doesn’t scare me. 

Anyone have concerns for the NOS K&L cam gears? Marty, I’ll get with you on PM. Thanks for the idler shafts.



 

 
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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1976 Kz 900 A4 22 May 2021 18:31 #848885

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Don't stress too much over sealing the crankcase.  Probably the most common mistake is too much sealer, (remember the amount you see squirt out on the outside is also on the inside) which can eventually dry up,  fall off into the oil pan and  potentially end up on the oil pump pickup screen. (it would take a LOT to cause a problem) The crankcase seam is well above the static oil level even it it is poorly sealed,  I think oil leaks are way more common on the top end. 

I'll check and see what I have for top idler assemblies laying around,  pretty sure I don't have any more NOS.

Mike
Former M.E. at Kawasaki Motors Manufacturing, Lincoln, NE
1966 W1 (the Z1 of 1966-50H.P. and 100mph!)
1974 Z1A (disassembled)
1976 KZ900B LTD (SOLD!) it's in GOOD Hands!
1978 KZ1000 LTD
1976 KZ900B pile O parts
1980 KZ750E
1980 Honda XL250S (I know, wrong flavor!)

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1976 Kz 900 A4 22 May 2021 18:44 #848886

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This thing will be cherry whenever it gets done.Its funny how we get ourselves worked up (I'm stressing the top end more on my project).We shall see If I was wise doing the cases myself, but I had you all to help if (and when) I got stuck. With your attention to detail, I would think your capable of doing an outstanding engine assembly.

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1976 Kz 900 A4 23 May 2021 11:26 #848908

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Don't stress too much over sealing the crankcase.  Probably the most common mistake is too much sealer, (remember the amount you see squirt out on the outside is also on the inside) which can eventually dry up,  fall off into the oil pan and  potentially end up on the oil pump pickup screen. (it would take a LOT to cause a problem) The crankcase seam is well above the static oil level even it it is poorly sealed,  I think oil leaks are way more common on the top end. 

I'll check and see what I have for top idler assemblies laying around,  pretty sure I don't have any more NOS.

Mike

 

Mike, thanks. Here’s my torture list. 
  • To much case sealer.
  • Wrong type of sealer. It was recommended that I use Loctite 518. But seems a version of 3bond is more common.
  • Getting sealer on the correct bolts.
  • Getting thread lock on the correct bolt. 
  • Some bolts require both per FSM.
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1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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