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1983 ELR R-2 engine 06 May 2024 12:18 #898559

  • Coyote
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In tearing down the engines that I got with my bulk parts purchase recently, I noticed that one was an 83. I was in the process of completely disassembling the engine. When right before I was going to split the halves, I decided to check the engine number again. I had already identified it as an 83 but upon further inspection I noticed it was the 83 ELR R-2. I loosely buttoned it all back up seeing what low production numbers they were. What I'm wondering is, should I sell, or trade for more parts I need or cannibalize  everything that I can use for my other builds? The problem is that there's not much I can use out of that engine. I believe it has a good crank and was wondering if that crank will work in the earlier models. I'm concentrating on a 73 Z1 and possibly 76  kz1000. I doubt I'll do an ELR build. The reason is in that cache of parts, I got  two powder coated frames and one was a 73 and the other was a 76.Thoughts or options:)
77 KZ 1000 A
21 Z900 RS
Project 73 Z1
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1983 ELR R-2 engine 07 May 2024 07:27 #898608

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I am interested in learning where you found info that indicates the engine number KZT00JE056542 was used on the the 1983 KZ1000 R2. I am not saying it is not but I have not been able to find any info to indicate such. 
1977 KZ650 B1
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1983 ELR R-2 engine 07 May 2024 07:44 #898611

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I'll post a picture of what I found this afternoon... 
 On a side note, I keep getting a 404 error trying to get to the files section. I'm looking for a link to service manual for 73 to 75 Z1

Thanks 
77 KZ 1000 A
21 Z900 RS
Project 73 Z1

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1983 ELR R-2 engine 07 May 2024 07:44 #898612

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Again... not sayin' that yours isn't an R engine... but my KZ1000R2 had a black set of cases and clutch cover.  
Don't be ridiculous! It's only a flesh wound!

Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit
Wife's BIG bike...... 1981 GPZ 1100 Kerker and factory FI Mikuni RS34s W/ K&N pods

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1983 ELR R-2 engine 07 May 2024 07:54 #898614

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It looks like the R2 and J3 share the same engine number range - as it's not black it is likely a J3

 
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1983 ELR R-2 engine 07 May 2024 08:03 #898615

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I'll post a picture of what I found this afternoon... 
 On a side note, I keep getting a 404 error trying to get to the files section. I'm looking for a link to service manual for 73 to 75 Z1

Thanks 
Files section is down currently, there are manuals in the "articles" section

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1983 ELR R-2 engine 07 May 2024 08:21 #898616

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Yep, I'll definitely double check my info. If I remember correctly it was chromed and not a black engine. But that was last week when I tore that engine down and I've torn two down since then....that will make my decision of what to do with it much easier If it's not an R-2

​​​​​ Do you know if that crank assembly is compatible with the earlier Z's and kz's cases?
77 KZ 1000 A
21 Z900 RS
Project 73 Z1

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1983 ELR R-2 engine 07 May 2024 08:23 #898617

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I have found some info - not claiming it is correct - that indicates your engine number is included in the possible range that came stock on a 1986 1000 P5.

Year & Model     '86 KZ1000-P5:Police
Color(s)     Jet White
VIN Range     JKAKZCP2vGB503101 - ?
Engine No. Range     KZTOOJE047501 - ?
Engine No. Location     RH top crankcase, below carburetor
Cylinder Mark     0.998L
Cylinder Mark Location     Front RH corner
Engine Type     4-stroke, 4-cylinder, DOHC, Air cooled
Bore X Stroke     69.4 X 66.0 mm
Compression Ratio     9.2:1
Maximum HP     80 at 8000 rpm
Maximum Torque     7.7 kg-m at 7000 rpm
1977 KZ650 B1
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1983 ELR R-2 engine 07 May 2024 08:25 #898618

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Yep, I'll definitely double check my info. If I remember correctly it was chromed and not a black engine. But that was last week when I tore that engine down and I've torn two down since then....that will make my decision of what to do with it much easier If it's not an R-2

​​​​​ Do you know if that crank assembly is compatible with the earlier Z's and kz's cases?
As I understand it (there are many on here that know more than me) the "J" crank is an upgrade for the earlier engine as the bearing pins are bigger, however the crank end is different to the early motor so a different starter-clutch/generator set up is required, Also different cam sprockets would be required as the "J" runs a "Hyvo" chain
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1983 ELR R-2 engine 07 May 2024 08:40 #898619

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Yes, earlier is morse cam chain, J1 onwards is hyvo cam chain so the crank is not a direct swop. 

Z1000J2 somewhat modified!

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1983 ELR R-2 engine 07 May 2024 09:26 #898624

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Thank you so much guys, my decoding error. I also figured the cam chain was going to be an issue as well. I'll probably just use it for trading parts. This is what I used to decode. I see now that this data was incomplete. It stopped in 1980.   
77 KZ 1000 A
21 Z900 RS
Project 73 Z1
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1983 ELR R-2 engine 07 May 2024 10:12 #898630

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Thanks for posting the listing you were using.  I do not think I had seen it like that before. I tend to learn something new each time I visit here!
1977 KZ650 B1
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This is my Z

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