iridium plugs on SJ

[sflsurfrider]

so there i was, taking some spring clamps out of my van to turf a chinpad and i discovered the set of iridium plugs that i won at lanier (b8eix), and i though woohoo! wtf, why not try em?

i look online on a few places and the recommended gapping is .020 from what i can find. is this right? the plugs seemed to take longer to clear the engine out than b8es plugs. as if the smaller gap was less forgiving to moisture.

does anyone know positively what the gap should be on the iridium plugs? are they supposed to last longer than standards? im just so unsure!at:

 

[Keith]

Technically the iridium plugs should last alotttttt longer than standard plugs. As for the gap. Good question.

 

[Keith]

Have you tried gapping them to the br8es specs?

 

[sflsurfrider]

Have you tried gapping them to the br8es specs?

nope. just wanted to see what people that have used them did.

 

[Sanford]

Gap on these type plugs (for yamaha) is always [FONT=helvetica, arial, veranda].024![/FONT]

 

[Wildwood]

Since they were a sponsored prize from JetSki Solutions, I would check his site or ask John himself.

 

[sflsurfrider]

Since they were a sponsored prize from JetSki Solutions, I would check his site or ask John himself.

we have a winner!
thanks!

 

[butti]

i tried those plugs, my skis didnt start very good with them:dunno: i poped regular b8's in and they acted normal again.let us know how they work for you

 

[sflsurfrider]

did you gap them or check the gap?

 

[FL-cracker]

My friend had iridium plugs in his Limited Drypipe SJ for over 2 years! Finaly 1 failed about a month ago. He did not hesitate to spend the money on two more.

Never any starting issues.

 

[Wildwood]

I do know that John's ski tun's the Riva Dry Pipe and he bases most of his Tuning on that and "Moderate Freestyle". I don't know if the B-Pipe would act different with those plugs or not.

 

[madoyster]

I tried these plugs for one ride then I went back to my old NGK's. I didn't like them.

 

[FL-cracker]

^^^^^Was your jetting right? I have never heard of any sort of issues, unless your ski just isnt tuned.

 

[sflsurfrider]

well, MY ski runs fine with b8es plugs. does the carb need to be retuned for iridium plugs? ???

 

[butti]

did you gap them or check the gap?

i gapped them same as i do b8's.020 i think?

 

[madoyster]

.032 for me

 

[FL-cracker]

well, MY ski runs fine with b8es plugs. does the carb need to be retuned for iridium plugs? ???

No, it should not make any difference. I was just asking because, I don t see that there would be an issue with iridiums unless the boat just wasnt tuned well.

I realy dont have any idea why there would be starting issues, thats the first ive heard.

No probs with them here. :woot:

 

[sflsurfrider]

butti, you gap you b8's at .020??? isnt the recommended gap, .028 - .032 ?

fl cracker, do you know what your friend has his iridiums gapped at?

 

[link]

The higher the comp the smaller the gap..

 

[DAG]

Aha, that makes since... I left my plugs stock from the store running 160psi in each cylender... but like everyone has been saying i boiught the $2 Br8es and also left them stock and it skatts...