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21
Misc / Open / Re: It's been a Shite yesr
« Last post by philward on May 15, 2024, 10:31:21 PM »
A lot to deal with Bryañ, make sure you look after yourself

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22
Out & About / Re: OUT AND ABOUT 2024
« Last post by Johnwebley on May 15, 2024, 10:10:46 PM »
Out at Cotswolds Biker night

Willersly, nr Broadway on the A44

Sun and fun

Good collection of sohc 4s

The 750 is for sale, £10k



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23
CB500/550 / Re: NGK plugs for 500
« Last post by McCabe-Thiele (Ted) on May 15, 2024, 10:07:59 PM »
Quote from: Bryanj on May 15, 2024, 10:01:21 PM
Ted, if you can find any D7EV are the dogs doodads for the 500, it should have had newish D7EA in it when you got it, D7ES is the original and not available the A is same as S according to NGK. You should not be using the R type
So a resistor spark  plug when you have resistor plug caps does this cause a problem somehow ?
24
CB750 / Re: Wow this is the real deal 1968 prototype CB750
« Last post by Bryanj on May 15, 2024, 10:06:05 PM »
There are a couple of diferent posts about that recently on the US forum Ash, what they say makes sense to me in that a running prototype would be there before a pre full production set sent out to tease the dealers but not sure about Honda leting that out of the factory first
25
CB500/550 / Re: NGK plugs for 500
« Last post by McCabe-Thiele (Ted) on May 15, 2024, 10:04:21 PM »
Quote from: deltarider on May 15, 2024, 09:42:20 PM
So far nobody knows. Why did you choose 'R' plugs?

I have no idea, I can't remember when I bought them either.

I do have a set of Denso X22ES-U plugs.

I think my bike had  NGK D7EA fitted .

26
CB500/550 / Re: NGK plugs for 500
« Last post by Bryanj on May 15, 2024, 10:01:21 PM »
Ted, if you can find any D7EV are the dogs doodads for the 500, it should have had newish D7EA in it when you got it, D7ES is the original and not available the A is same as S according to NGK. You should not be using the R type
27
CB500/550 / Re: NGK plugs for 500
« Last post by Johnwebley on May 15, 2024, 09:45:17 PM »
I don't think ES are available,
The DR are resistor plugs
Could cause issues if used with resistor plug caps

That leaves D7EA,
Or if you ride harder D8EA

same as 400 and 750,

I use Denso equivalent, and an very happy

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28
CB500/550 / Re: NGK plugs for 500
« Last post by deltarider on May 15, 2024, 09:42:20 PM »
So far nobody knows. Why did you choose 'R' plugs?
29
CB750 / Wow this is the real deal 1968 prototype CB750
« Last post by AshimotoK0 on May 15, 2024, 08:58:19 PM »
https://www.cb750prototype.com/
30
CB500/550 / NGK plugs for 500
« Last post by McCabe-Thiele (Ted) on May 15, 2024, 08:22:43 PM »
I have no idea when or where I bought them - I have a set of new NGK DR7EA plugs.
DS show the 500 plug as NGK DR7ES.

Can I use these DR7EA no idea what the S means compared to A ?

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