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Author Topic: 75 CB550 W/ PAMCO ignition  (Read 559 times)

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Offline Eddie

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75 CB550 W/ PAMCO ignition
« on: August 10, 2017, 03:02:02 PM »
My question is I have the stock coils and bike has run great for 5 years with the Pamco. New issue is the coil wires are starting to break down. can I use a 81 CB750 coil set ? they have the removable plug wires. They measure 3 ohms.
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Offline Bankerdanny

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Re: 75 CB550 W/ PAMCO ignition
« Reply #1 on: August 10, 2017, 03:16:55 PM »
I think the issue with the 3ohm coils is the draw on the electrical system. On 550's there isn't much headroom for increased draw.
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Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline Eddie

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Re: 75 CB550 W/ PAMCO ignition
« Reply #2 on: August 10, 2017, 03:25:12 PM »
yeah...1.5amp difference.. Possibly put a 2 ohm resistor in circuit ?
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Offline Eddie

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Re: 75 CB550 W/ PAMCO ignition
« Reply #3 on: August 11, 2017, 04:23:54 AM »
Anybody have an suggestion for better coils with replaceable wires ?
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