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IC Igniter Problems 20 Dec 2012 17:52 #563834

  • Motor Head
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Make sure you have the Non Resistor spark plugs, No "R" in the part #. Also what coils and wires are you using, stock or other? Is there a resistor cap, and a resistor wire? Only one resistor should be used in the secondary side of the ignition.
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...

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IC Igniter Problems 25 Dec 2012 14:06 #564647

  • badrhino
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1.5 ohm grey coils and Taylor 8mm Spiro-Pro wires.
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!

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IC Igniter Problems 25 Dec 2012 15:46 #564654

  • MFolks
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I'm wondering if the coils should be such a low resistance. The stock coils are usually 3 ohms or less. Can you try another, higher ohmed coils for comparison?
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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IC Igniter Problems 26 Dec 2012 01:35 #564737

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I'm sorry I meant 2.2 ohm grey dyna coils.
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!

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IC Igniter Problems 26 Dec 2012 01:59 #564738

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Both ignition coils ohm out good on the primary and secondary connections?(Do this with all wires/sparkplug wires disconnected).

You're not using resistor plugs and NGK 5000 ohm sparkplug caps together? If so,this may be why there's a weak spark.
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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IC Igniter Problems 26 Dec 2012 02:41 #564740

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Are the screw connections for the primary(small wires) tight? What's supplied with the ignition coils, are 10-32 X 5/16" screws, if you've used longer screws, they may be bottoming out before the ring terminals are tight, making for poor electrical connections.
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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IC Igniter Problems 27 Dec 2012 21:54 #564901

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All of my ohm readings are within spec both primary and secondary and I am only running suppression wires with no resister caps or resistor plugs. The primary wires to the coils are tight. I got spark but not fat blue spark. :whistle:
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!

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IC Igniter Problems 27 Dec 2012 22:33 #564905

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In the Kawasaki manual, they have a spec for how far the spark should jump across a specified gap. This might show an otherwise working system to be at fault. About 8mm I think. But it might be farther.
Remember that it has to return back to Ground. Thats the frame/ battery -, so if the ground is in question, then energy will be low.
Whats the voltage across the coils when cranking/ kicking it over checking for the weak looking spark??
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...

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IC Igniter Problems 08 Jan 2013 00:47 #566310

  • loudhvx
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Besides the voltage issues I mentioned above, it's also possible to get a weak spark if the pickup plate was dissassembled and reassembled incorrectly. The magnets must go back in a specific orientation.

home.comcast.net/~loudgpz/GPZweb/Ignitio.../PickupAndRotor.html

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IC Igniter Problems 10 Jan 2013 19:40 #566748

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I will have to look into this when I get a warm day here. Thanks!
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!

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