13 Spark plugs

[jdtech65]

I was looking over my 13 Pro tonight and noticed that the spark plugs are back to the NGK BPR 9ES.

The 12s last year used the NGK GR9A-EG. Curious why they used that plug for a year than went back to what they had before?

 

[mountainhorse]

Good question...

I'll see if I can look into it.










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[Ski-Dont89]

I noticed that on mine too...good question.

 

[Vertical Asshauler]

I am also curious. Could be handy running the same plug as doo doo's.

 

[mountainhorse]

Doo=Diff plug

Doo Runs the BR9ECS ... Non projected tip (missing the "P" designation) also, this is a "ground short electrode" ("C" designation)

The polaris plug is a BPR9ES

 

[Cascade Addiction]

Same specs

Ran the BPR9ES last year when most Polaris shops were out of the stock plug that they recommended. Had a tech at Polaris tell me they change plug numbers so that customers buy what manuel says, and have the market cornered and can charge more(the OEM ones) but since Polaris had no plugs he let me in on the fact that the BPR9ES was the exact same plug as the NGK GR9A-EG, and that it was fine to run, so run either, they are the same. When I bought them last year they were cheaper then the GR9A-EG buy a couple bucks, go figure.

 

[Vertical Asshauler]

Derp... I need to stop posting before morning coffee.. lol

 

[mountainhorse]

From a previous post.

The BPR and the GR are a bit diff. Probably a $$ thing for the change.
No word yet back.

Polaris said that the new one is more resistant to fouling than the BPR (they did not mention the RN in that statement) and the BPR and RN can be used as a sub in a pinch.

I've run the EIX's as well... they lasted a long time... not any kind of "bolt on power" for me though... Least expensive I've found thee BPR9-EIX plug is $7.50 each.
From what I've heard, they are beneficial in turbo and high compression sled motors though.

I had great luck with the RN57YCC plug... Not a big fan of Champion... but that one never let me down.

I think you might be onto something that this new plug is an NGK version of the RN.

The "Fine nickel alloy" refers to the electrode having fine nickel particles in the alloy... I originally read it the same as you (I think)...to be a fine-gauge wire... not the case.

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[Murph]

Any update?

 

[likkerpig]

I just picked up a few spares for my 13 at fleet farm. Bpr9es were about 2.00/ea.

 

[mountainhorse]

I did some looking into it..

The GR9A-EG is a more fouling-resistant plug... About $1.50 more each.

The BPR9-ES is still a good plug though... My guess is that Polaris found they did not need the GR9A-EG and it costs more.

In regards to being more fouling resistant, IMO.
BPR = Better
GR = Best










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