NGK BR4HS - Iridium or other upgrade?

[Pablo]

My little 80cc 2 stroke for my motorized bike takes a NGK BR4HS. Currently there is a Chinese cheesebo equivalent plug in there.

I was just wondering if anyone could cross reference the NGK BR4HS to an even "better" plug.

 

[Pablo]

Or stranger - is a 4 even the right heat range?

 

[ccdhowell]

As far as the right plug, I have no idea. The NGK number crosses to:
Autolite #425
Champion #L90C
Denso #W14FR-U

I run NGKs, Densos and sometimes Autolites in my atvs. I like the NGKs and Densos. Lots of people only run NGKs and scoff at anything else. I only run Autolites when I'm in a bind.

BTW, do you have an air compressor? If so, get a cheap spark plug cleaner, $10 - $12, and clean your powersports plugs. I have some I've cleaned 10 times or more and they work just as well as a new plug if cleaned properly.

Chris

 

[Pablo]

Well NGK's are my favorite by a mile. I've had great success with their regular plugs, so why I would be seeking one of their fancy dan plugs is quite illogical. Plus I'm starting to doubt there is an Iridium (or other NGK) equivalent for BR4HS or B4HS. (But I emailed NGK anyway!

)

Thanks!

 

[Pablo]

From NGK:

Quote:
Unfortunately at this time we do not have anything available. With the
1/2" thread reach plugs there are only standard nickel plugs available.
There is an iridium IX series BR6HIX available, but is so much colder
that it will most likely foul out pretty quickly. Thank you.