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TOPIC: NGK Iridium Plugs

NGK Iridium Plugs 5 months 3 days ago #24656

  • strate6
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Dont buy any NGK Plugs with the -11 Prefix.................no matter how cheap they are.

They have FIXED Heads on them for "Car" type plug caps, and not the SCREW OFF Type 4mm silver cap which we need for most motorcycles.

Pete F
UK
The Older I Get........The Better I Was !
The following user(s) said Thank You: StanG

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NGK Iridium Plugs 5 months 3 days ago #24667

  • StanG
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Thank you guys. And that gap also is listed as set to 11 mm for the ....IX-11. The ...IX are pre-set to 8 mm.

Just purchased a set of 6. Total CAD $56.39 including door to door delivery. It will be a good excuse to re-visit the air-fuel mix adjustment.
Looking forward to see if there is any difference - the bike has been starting and running beautiful as is on the NGK BP6ES (7333) plugs. So I will have 6 good used plus 4 brand new spares. Good for the spare engine - if I will ever fire it up.
1982 Kawasaki KZ1300 A4
1981 Kawasaki KZ1300 A3
assembling engine, chassis & electrical from 79 - 89 parts

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NGK Iridium Plugs 3 weeks 4 days ago #25381

  • z13phil
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I had this problem on number 1 then found this was caused by over fuelling.

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NGK Iridium Plugs 3 weeks 4 days ago #25383

  • scotch
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srate6 wrote: <....Also if you have fitted new O Rings to the mixture screws, then ensure they have a thin coating of grease on them ....>

Good point ! For what it's worth: I use "Permatex Di-Electric Grease" on the Pilot-Screw O-rings and also on the threads. "A little goes a long way " !
I also use it on any O-ring. Assembly is much easier and the Silicone grease doesn't migrate and seems to have less of a tendency to attract dirt/debris.
1980 KZ 1300 sr# KZT30A-009997
Always High - Know Fear !

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