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NGK CM-6 cross refferance chart

Old 06-09-2013, 06:49 AM
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oldbassard
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Default NGK CM-6 cross refferance chart

Hey guys

I found this cross refferance chart online and thought maybe someone here may get use out of it.


http://www.sparkplug-crossreference....ert/NGK_PN/CM6
Old 06-09-2013, 08:38 AM
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rednekk58
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Default RE: NGK CM-6 cross refferance chart

Thanks!!
Old 06-09-2013, 09:05 AM
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w8ye
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Default RE: NGK CM-6 cross refferance chart

I could not get the link to work as posted but here is what it said . . . .

Keep in mind that cont all of these are completely compatible for our uses.

I have found it better to search for the cheapest price on the CM-6 which I found at O Reilly Auto Parts

Details about NGK CM6:

    [*]Threaddiameter: 10mm[*]Threadreach: 8.6mm[*]Seattype: flat[*]Hexsize: 13mm[*]Tipconfiguration: non projected[*]Construction: Standard construction[*]Terminaltype: Special[/list]

Possible spark plugs for NGK CM6:

Old 06-09-2013, 09:25 AM
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WhiteRook
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Default RE: NGK CM-6 cross refferance chart

would the CM-6 be for A CH ignition set up?
Old 06-09-2013, 09:59 AM
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w8ye
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Default RE: NGK CM-6 cross refferance chart

The CM6 was originally used on Honda generators

It is almost universally used on all the newer model engines to come out in the last 8 years.

Many different ignitions use the CM6
Old 06-09-2013, 02:36 PM
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SkyPilot101
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Default RE: NGK CM-6 cross refferance chart

W8ye, will all the plugs you listed fit the rxcel cm6 cap ?
Old 06-09-2013, 03:36 PM
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w8ye
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Default RE: NGK CM-6 cross refferance chart

I don't think so

You best stay with the NGK CM6
Old 06-09-2013, 07:41 PM
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tkg
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Default RE: NGK CM-6 cross refferance chart

The cm-6 and the Denso u20mu are exact interchange, the champ y82 is very close, ie measured in inches vs metric i
Ive seen some of the honda plugs, they were reboxed ngk, some of the others may be the same.
Old 06-11-2013, 05:45 AM
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oldbassard
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Default RE: NGK CM-6 cross refferance chart

All of those plugs are the same thread size and will interchange, that's why I posted them to start with.
Old 06-11-2013, 06:55 AM
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Default RE: NGK CM-6 cross refferance chart

Yeah, but the thing you got to watch is whether the cap will fit over the plug correctly.
Old 06-11-2013, 07:54 AM
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TimBle
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Default RE: NGK CM-6 cross refferance chart

yes the plug cap will fit all of those plugs
Old 06-11-2013, 08:19 AM
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oldbassard
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Default RE: NGK CM-6 cross refferance chart

The only real differance I found is the size of wrench you will need to intsall them
Old 06-11-2013, 08:27 AM
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TimBle
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Default RE: NGK CM-6 cross refferance chart

correct. Some are imperial size others are metric (14mm)
Old 06-11-2013, 08:17 PM
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bcchi
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Default RE: NGK CM-6 cross refferance chart


ORIGINAL: TimBle

correct. Some are imperial size others are metric (14mm)
If they take a different wrench size they will not fit the RCEXL cap very well.The RCEXL cap is very tough to get on the Champion Y-82 .
BC
Old 06-11-2013, 11:13 PM
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TimBle
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Default RE: NGK CM-6 cross refferance chart

The Japanese made cm-6 equivalents all have a 14mm wide Hex nut which is in keeping with the JIS standard requirement for an M10 thread. Ansi and DIN requirements are bigger indeed at 16mm and 17mm respectively but I've never found a CM-6 equivalent with a nut conforming to the ANSI or DIN.
The imperial nut plugs I've come across are slightly larger at 14.3mm which is consistent with the 3/8-16 bolt head size.
Of course these could just have been due to poor QC on the nut size but Since I bought them in the UK I figured it was sized that way to accomodate a non metric society with tools in imperial....
Old 06-12-2013, 10:42 AM
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Default RE: NGK CM-6 cross refferance chart

Now where would I find a 14.3 mm wrench??
Old 06-12-2013, 11:28 AM
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TimBle
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Default RE: NGK CM-6 cross refferance chart

it would be called a *-** imperial wrench
Old 06-13-2013, 11:39 AM
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Default RE: NGK CM-6 cross refferance chart

I am using the denso's no problem

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