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Author Topic: 77 CB550K Plug??  (Read 1015 times)

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keener

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77 CB550K Plug??
« on: May 26, 2008, 01:17:13 PM »
I am wondering what plug to use for my 77 550K, I have been told to use NGK D7EA (fellow member) , DR7EA (NGK Site) , D7ES (Manual)

What one do I use
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Offline number13

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Re: 77 CB550K Plug??
« Reply #1 on: May 26, 2008, 01:21:58 PM »
Use the D7EA.
Plugs with an "R" in the name have resistors, don't use them.

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Offline TwoTired

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Re: 77 CB550K Plug??
« Reply #2 on: May 26, 2008, 01:25:44 PM »
Issues with trust?

D7EA is the correct plug for a 500/550.  If you insist on using Resistor plugs, then replace all your spark plug caps with non-resistor types,  Or, learn to enjoy the "benefits" of lower spark voltage, particularly after you have some miles on the plugs and points.

Cheers,
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Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100

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keener

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Re: 77 CB550K Plug??
« Reply #3 on: May 26, 2008, 02:30:11 PM »
haha Point taken, Ill go with the non-R Plugs
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Offline OldSchool_IsCool

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Re: 77 CB550K Plug??
« Reply #4 on: May 26, 2008, 02:34:22 PM »
The D7ES and D7EA are the same plug, just old vs. new numbering system. 
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Offline ger87410

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Re: 77 CB550K Plug??
« Reply #5 on: May 26, 2008, 02:41:05 PM »
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