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Engine don't start; ideas please!

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20 Jan 2023 16:52 - 20 Jan 2023 17:21 #879082 by Claude.
Replied by Claude. on topic Engine don't start; ideas please!

...FYI there is no electrical connection between the coil and the bracket or the frame ( only "heat transfer")
Seriously? Don't the coils need to be grounded via their mounting posts?

2017 Versys 1000
1982 KZ1000J2
1983 KZ1000J3
1982 GPZ1100
1983 KZ750L
1982 KZ1000J2 (another one!)
2017 Yamaha FZ07
Last edit: 20 Jan 2023 17:21 by Claude..

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20 Jan 2023 17:43 #879084 by Nessism
Replied by Nessism on topic Engine don't start; ideas please!

Thinking at Nessism comment, I told myself "why not invert the coils's wires. Naah, it won't work as the right colors are on the right coils". Having nothing to loose, I did so. And the engine started RIGHT AWAY!! What a relief. I don't know why I had to invert the wires but I'm so glad that I don't really care by now.

Once again, thanks a lot for every comment!! I really appreciate!

If the coil wire colors are correct, that means the rotor is on 180 degrees off.  It's easy to do.  
The following user(s) said Thank You: Claude.

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21 Jan 2023 00:43 - 21 Jan 2023 00:51 #879100 by Wookie58
Replied by Wookie58 on topic Engine don't start; ideas please!

...FYI there is no electrical connection between the coil and the bracket or the frame ( only "heat transfer")
Seriously? Don't the coils need to be grounded via their mounting posts?
No, the primary winding grounds through the points/igniter module (switching the ground is what makes the spark) the secondary winding grounds through the spark plugs to the engine on a dual output coil or shares the ground via the points/igniter on a single out coil. The mounting tower simply dissipates the heat generated to stop the coil burning out

 
Last edit: 21 Jan 2023 00:51 by Wookie58.
The following user(s) said Thank You: sf4t7, Mikaw, Claude.

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20 Aug 2023 23:14 #888545 by Gdailey2112
Replied by Gdailey2112 on topic Engine don't start; ideas please!
He said his green wire is on 1/4
My 82 1100 shows black to 1/4 and green to 2/3 
Unsure if they differ on yours

1982 KZ1100D1

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