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frankboase
L Plate Warrior



Joined: 16 Aug 2019
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PostPosted: 06:52 - 16 Aug 2019    Post subject: spark plugs Reply with quote
I now own a DD125E. Very Happy
The hand book recommends using a spark plug A6RTC.
So I can buy the right sized spark plug spanner what size (dia?) is this?
Thanks and regards.
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Easy-X
Super Spammer



Joined: 08 Mar 2019
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PostPosted: 08:54 - 16 Aug 2019    Post subject: Reply with quote
The equivalent NGK CR6HSA says 16mm or 5/8" in the specs. Personally I'd get a socket set with a selection of different sizes, handy to have Smile
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Royal Enfield Continental GT 535, Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter
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jaffa90
World Chat Champion



Joined: 06 Apr 2016
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PostPosted: 09:15 - 16 Aug 2019    Post subject: Reply with quote
You may / should have a tool kit under the seat.
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bikenut
World Chat Champion



Joined: 21 Nov 2011
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PostPosted: 09:20 - 16 Aug 2019    Post subject: Reply with quote
c sized ngk, so be very carefull !!!

When plug is loosened, undo and remove by hand ( BY HAND ) using some tube pushed onto the plug lead end iff needed.

Same for inserting, by hand, then final tightening with the plug spanner/socket etc..

DO NOT BE HEAVY HANDED else strip thread etc..!!

you have been warned.

torque wrench???
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MCN
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Joined: 22 Jul 2015
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PostPosted: 10:07 - 16 Aug 2019    Post subject: Reply with quote
Easy-X wrote:
The equivalent NGK CR6HSA says 16mm or 5/8" in the specs. Personally I'd get a socket set with a selection of different sizes, handy to have Smile


This is not a bad idea but there is a caveat to consider.

Spark plug socket have a rubber insert inside them.

It helps to hold the plug in the socket when they are doon a hole in the head or under/behind a manifold.

But the main reason for the rubber is to protect the glaze of the porcelain.

The very high voltage of the ignition system wants to get to earth/ground. It will choose the shortest path to do that.

Any sort of marks on a plugs porcelain can encourage 'tracking' where the ignition leaks and the plug Sparking Tip (electrode) receives lower power than it needs for the spark to jump the air gap. e.g. 1000s of Volts.
That promotes misfiring and or reduced power.

Ignition systems must be almost sterile to keep the pixies inside from escaping.

And... sockets will be marked for A/F sizes. (Across the Flats- From one side of the hex head to the opposite side.)

Spark plug sockets are marked according to the diameter of the spark plug thread.

There are generally two sizes and there are some characteristics that need to be understood.

For my money, I would pay 'A Few Dollars More' and buy an iridium plug. Much much better sparking and they stay clean which maintains the big blue sparks.

A nice supplier is a UK company:

(This isnae a plug BTW.)

https://www.gsparkplug.com/?awc=16976_1565950149_54482fde1f2c045fcfaecc0f7882b4d9

They are excellent for providing tons of info about the plugs. And they are not extortionate arzeholes like some folk.

https://en.wikipedia.org/wiki/Spark_plug
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.
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frankboase
L Plate Warrior



Joined: 16 Aug 2019
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PostPosted: 05:29 - 25 Oct 2019    Post subject: Reply with quote
Hello,
The good news, is that I eventually found a mechanic that could fix my DD125.
Seems that the problem was electrical, so he replaced the wiring and associated, components.
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Old Thread Alert!

The last post was made 6 years, 83 days ago. Instead of replying here, would creating a new thread be more useful?
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