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Spark plugs ???

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SteveW:
Cheapest place to get them is Euro Car Parts, I got 4 NGK D7EA for £8.99 last week.

They are showing at the moment at £3.19 each, but with one of their discount codes will be way cheaper.

ECP part number is 408774560

Laverda Dave:
Hairy, is it easy to spot a fake NGK from the real thing? A lot of stalls at auto jumbles sell NGK's and if fakes are out there it would be good to know how to spot them.

hairygit:
The biggest giveaway I found was the brand name on the porcelain rubbed off with petrolly hands, knew that was not right. Sent it to NGK's U.K. address, and they confirmed it was one of many fakes coming from China. The core was steel (should be copper) and corrosion was actually causing it to split the porcelain, similar to how rusty reinforcing wires start cracking concrete!

Laverda Dave:
Thanks Hairy, something to look out for in the jumbles.

Spitfire:
Fake NGK's could explain a lot, when I got the old 750F1 back on the road I had a lot of problems with plugs fouling, in the olden days I always used NGK D8ES-L, but they don't make them any more so I got D8ES-L R, these did not work very well they fouled up very quickly, so I tried D8EA,s, these were better but still fouled. Then I read a thread on the other site in which Hondaman recommended the ND X-24ES-U and X-22ES-U, I now use these and they appear to be fine. The bikes standard apart from the DS silencer which has a couple of strategically placed holes drilled in the end cap.
Here's an article from the other site with Hondaman's explanation
http://forums.sohc4.net/index.php?topic=77832.msg869100#msg869100

Cheers

Dennis

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