81 Kawasaki KZ1100 a1 wire diagram

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08 Apr 2020 13:06 #822895 by Kyle801
81 Kawasaki KZ1100 a1 wire diagram was created by Kyle801
I am new to this website and have found a lot of great resources so far. I am looking for a diagram for an 81 KZ 1100 a1. I can't access the file base to see the diagram in there. A colored diagram would be great but not necessary. I am rebuilding the the wire harness.

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08 Apr 2020 18:15 #822912 by loudhvx
Replied by loudhvx on topic 81 Kawasaki KZ1100 a1 wire diagram
I have this 81 Kz1100B1 (gpz) diagram. I don't know how similar it would be to an A1.
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08 Apr 2020 20:36 #822918 by Kyle801
Replied by Kyle801 on topic 81 Kawasaki KZ1100 a1 wire diagram
Thank you.
Do you know what this is? I've seen a few diagrams close to this but they are too blurry to read.
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09 Apr 2020 05:56 - 09 Apr 2020 07:35 #822931 by loudhvx
Replied by loudhvx on topic 81 Kawasaki KZ1100 a1 wire diagram
It is for fuel injected models. If your A1 is not fuel injected, I doubt you would have it.

That is a connector marked with what looks like "a".
Notice near the battery there are three other connectors labeled "b", "c", and "d".

The note in the lower left (if you rotate the diagram to the normal wide view) says
"NOTE: Connectors and leads "a" through "d".
These are connected to the same connector and leads of the same ref-
erence letter in the wiring diagram of the 'Fuel Injection System'."


The connector marked "a" near the coils has three wires.
The black wire has the ignition coil signal for cylinders 1 and 4.
The green wire has the ignition coil signal for cylinders 2 and 3.
The ignition coil signals come from the igniter to the negative side of the coils. That connector taps those signals and sends them to the fuel injection system.
The red wire is ignition power. It has 12v when the ignition switch and kill switch are in the run position.

"b" is connected to the wire going to the starter solenoid's coil.
When the starter button is pushed and the clutch lever is pulled, that wire has +12v on it (even though it is black) .
It provides 12v to the starter solenoid coil in order to activate the starter solenoid. The starter solenoid is basically a big relay that powers the starter motor. When activated, it sends power to the starter.

"c" is constant battery voltage.
"d" is constant ground.

So from those connectors, the fuel injection system gets power.
In addition, it gets ignition signals and a signal to tell it the engine is being started.
Last edit: 09 Apr 2020 07:35 by loudhvx.

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09 Apr 2020 07:32 - 09 Apr 2020 07:34 #822941 by martin_csr
Replied by martin_csr on topic 81 Kawasaki KZ1100 a1 wire diagram
No eBay APP ID and/or Cert ID defined in Kunena configurationI would go ahead & buy the manual. There are several listed on EB at reasonable cost, if not cheap. The one linked is cheap.

...Covers the KZ1100-A1 Shaft. see model application chart on back cover. EB search = KZ1100 Shaft Manual
Last edit: 09 Apr 2020 07:34 by martin_csr.

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10 Apr 2020 12:00 #823025 by Kyle801
Replied by Kyle801 on topic 81 Kawasaki KZ1100 a1 wire diagram
Thank you for the information.

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