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What spark Plugs do you run?

  • Thread starter Thread starter cryptid
  • Start date Start date
C

cryptid

Guest
I bought a 1981 GS 750E about 2 weeks ago and I am going through the maintenance to be sure everything is good. In the owners manual, it specifies to use a NGK B8ES spark plug. The plugs that are in my bike are Champion RA6HC. I didn't like seeing that so I bought new plugs today, B8ES, and I am going to install them tonight with a .031 gap, per the owners manual. I am curious as to what other plugs are being run in stock bikes, and what kind of results others have had using different plugs. Thanks for sharing!
 
Plain spirit of dead ancestor fearing NGK as specified in the manual.
Fancy plugs are a scam like ***** enlargment pills.
 
My mistake...for some reason I had that B8ES in my head. It actually is a D8EA. Rookie mistake!
 
They put ngk in at the factory so I don't think you can go wrong with them. Alot of drag racers used autolite plugs back in the 90s don't remember the number but I think they worked good. I have always used ngk a haven't had a good reason to change
 
I run the iridium equivalent of the stock NGK plug in my 300. Runs very nice.

The... DR8EIX, if I recall. Not one of those annoying fancy "multispark" things, just a smaller electrode for a more controlled spark location, and a harder electrode for a longer life.


Edit: Ah yes. What posplayr linked. Very nice stuff, I'm quite happy with them.
 
Last edited:
Hi,

I use flux capacitors.


Thank you for your indulgence,

BassCliff
 
cryptid said:
My mistake...for some reason I had that B8ES in my head. It actually is a D8EA. Rookie mistake!
Click to expand...

The B8ES is used in the big 8 valve bikes

I've used NGK, ND, Champion and a few others over the years

Never noticed much difference
 
BassCliff said:
Hi,
I use flux capacitors.
Thank you for your indulgence,
BassCliff
Click to expand...

I would like to use flux capacitors as well, however my bike was built 5 years before Back to the future. Is there a writeup somewhere on your site? Mcfly?
 
BassCliff said:
Hi,

I use flux capacitors.


Thank you for your indulgence,

BassCliff
Click to expand...

And how's that working for you?
I'm still trying to find the flux capacitor in my bike, I've been told it's in the 1st generation TSCU which seems to have a low time between failures rate. Don't know if it's a flux capacitor as much as it is a gremlin.

Anyway, I use NGK's in both bikes, and have used them exclusively in all my bikes.
 
Hi,

Souske said:
I would like to use flux capacitors as well, however my bike was built 5 years before Back to the future. Is there a writeup somewhere on your site? Mcfly?
Click to expand...

Here's the scoop...


The circuit:

back-future-34.jpg


Wire it up:

flux-capacitor.jpg


Install it in the enclosure:

9fc6_flux_capacitor_tinker.jpg


Add power and test:

9fc6_flux_capacitor2.gif


Then install it next to the battery box:

IMG_3885.JPG



Thank you for your indulgence,

BassCliff
 
Cliff, your response leaves me speechless. Almost.
Once you get the thread diameter correct, the only other issue is the length it projects into the combustion chamber. The further it projects, the hotter the plug. NGK numbers their plugs with the higher number a cooler plug. A D9 is cooler than a D8.
AFA plug choice, consider what it does. All it does is provide a spark that ignites the fuel/air mixture. Once you provide sufficient spark to ignite the mixture at the proper time you are done. The main advantage I see for most plugs is the duration. If I have a vehicle that is a major pain to change plugs, I would go with a different type, such as platinum or iridium. Otherwise, I'd go stock. And I run NGKs on both bikes, stock configuration. GS is 100% stock, GPz is highly modified. Both run acceptably.
 
Hi,

koolaid_kid said:
Cliff, your response leaves me speechless. Almost.
Click to expand...
:p

Of course I use the stock plugs in my bike, the NGK B8ES. ;)

I have a chart HERE that lists the stock plugs for most of our GS bikes.


Thank you for your indulgence,

BassCliff
 
Hmmm....I wonder what the time machine would have looked like had the doc used a GS instead of the delorean?
 
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