NGK V Nippon

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Andy Pickering
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In the light of me commenting on these plugs on Dans post about BGM stators and NGK wondered if anyone else has seen a difference in performance..?

Basically I bought and fitted a Nippon last year opposed to my NGK 8 and it ran like a bag of crap so changed back and it was fine...Diablo has commented he did a dyno run recently with the same results (although he is going to check this) just wondered if anyone else had found this..As a matter of course I slammed the Nippon in today and went for a blast.....changed after 5 miles as it ran pooh.. :? NGK back in and it was fine.... :?:
Ricspeed, gone but never forgotten RIP my friend #59
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goldeneye
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no problems with NGK plugs. run B9es, in the lammy and B8hs in the vespa. the lammy plug has been in about 5 years! just cleaned and re-gapped! ran a nippon denso (W27?) and it was ok, but just changed it for a new NGK, cos thats what i had. me mate nick has a nippon denso w27 in his TS1...... its been in their 9 years! only ever had a problem with NGK"s once, after a re-bore on a P200, it would chuck the plug every fifty miles, kept changing them, and after about 650miles, it just ran normally. maybeeze summat to do with the re-bore? dunno? but the barrel, and scoot ran great after all the shenanigans.
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Dazza
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Never had any problems with any plug but run a w27 Nippon denso plug now- for what reason I'm
not sure - but it seems fine
If it aint broke.........tinker with it.....
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J1MS
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Sooty finger ran his scooter on the dyno with two NGK plugs a B8ES and a B9ES, the scooter leaned off at mid revs on the B8 just as the pipe came on to power, and ran richer on the B9 but they were much the same at higher revs...

My thinking is Maybe the different heat range of the plug (and this could be whats happening with the Nippon and NGK comparison) is that the B8 is burning more fuel from cold and at lower revs, this before heat and elevated combustion pressures have a greater effect...

But the Dyno men will have a greater insight into this...

I agree with Goldeneye Ive had no problems with NGK, and usually run B8 or B9 in my Lammy.
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Andy Pickering
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J1MS wrote:the scooter leaned off at mid revs on the B8
Thats funny...mine is running lean at mid revs on a B8... :shock:
Dazza wrote:Never had any problems with any plug but run a w27 Nippon denso
Maybe thats where Ive gone wrong, the one I have is W24ES-U..Recommended by a scooter shop.. :shock:
Ricspeed, gone but never forgotten RIP my friend #59
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eibargum
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Some dyno,s get too much interference off the denso,s, or so ive been told, ive used a dyno that takes your plug out and puts a NGK in for that reason, but i prefare denso,s over NGKs as ive never had a Denso let me down on the road but ive had NGKs go down after 50 miles, there are some snide NGKs around though.
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Andy Pickering
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Ive ordered a W27 so will give it a whirl and see how it does...what gap you setting these at..?
Ricspeed, gone but never forgotten RIP my friend #59
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