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Old May 13th, 2015, 07:17 PM   #39
Motofool
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Name: Hernan
Location: Florida
Join Date: Mar 2011

Motorcycle(s): 2007 Ninja 250

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Quote:
Originally Posted by nickk_pike View Post
.............. one more thing, does anyone have any idea on which wires plug into which side of the ignition coils? There is a green side and a black side.. Thanks
Red goes to both (connected to the lower tag in both coils).

Black goes to coil #1 (left when seating in the bike).

Green goes to coil #2 (right when seating in the bike).

Caveat:
The colors are reversed on the old and new gen's wiring diagrams, being the one for new gens wrong.

You could by-pass the CDI, switch, pick-up coil, etc. and test the coils and plugs by themselves:
http://mgaguru.com/mgtech/ignition/ig104.htm

Similar problem:
https://www.ninjette.org/forums/showthread.php?t=128112

https://www.ninjette.org/forums/showthread.php?t=119399
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