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Discussion Starter #1
Wanted to switch the stock plugs in my 2018, 1000 XP, to the NGK Iridium plugs. Does anyone know the proper plug number to use?
 

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It should be the NGK 6043s.
Thanks. How did you determine this? I can’t seem to find any info as to the proper plug.
Your machine comes with autolite plugs probably manufactured specifically for Polaris.
Autolite lists a 5682 copper plug in their parts finder for our machines. That's probably the stock plugs.
They also list an iridium plug XP5682.
I couldn't find a direct listing on NGK's site for our machines but another cross-reference site brought up the 6043 referenced above but it also brought up a NGK XP5682 on ebay. I can't say for sure but suspect that's a new offering by NGK that isn't listed on their parts finder??
Searching "XP5682" on ebay brings up the Autolite and NGK plugs along with a Denso 3457 and a Platinum tip Bosch 6711. The only Champion offering I saw is a copper tip.
The Autolite parts finder also has the specs of the plug if you wanted to dig into it further but I suspect any of them will work.
I use copper plugs myself. The irridiums are designed to last longer but somewhere in my research of spark plug types a few years ago I found reference information showing that copper plugs are more efficient than irridium.
 

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Discussion Starter #5
That’s what I’m finding out, too. Thanks for taking the time to research this. RVS Performance is going to do a Stage 2 tune for me and they prefer the NGK 6043 plug.
 

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I just checked several sources - from Polaris:

Part number 3022553 (which is Motorcraft # 5862) was used in the following:

2014 SCRAMBLER 1000 XP HO EPS INTL (A14GH9EFW) - Electrical, Ignition System
2014 SCRAMBLER XP 1000 HO EPS (A14GH9EAW) - Electrical, Ignition System
2015 FOREST 1000 EU (A15SXE95FK) - Electrical, Ignition System
2015 SCRAMBLER 1000 MD (A15SVE95HW) - Electrical, Ignition System
2015 SCRAMBLER XP 1000 (A15SVE95AW) - Electrical, Ignition System
2015 SCRAMBLER XP 1000 EU (A15SVE95FW) - Electrical, Ignition System
2015 SPORTSMAN 1000 MD (A15SXE95HK) - Electrical, Ignition System
2015 SPORTSMAN 1000 XP (A15SXE95AC/AK/AW/L95AM) - Electrical, Ignition System
2015 SPORTSMAN 1000 XP (A15SXE95AC/AK/L95AM) - Electrical, Ignition System
2015 SPORTSMAN TOURING 1000 (A15SYE95AX/L95AP) - Electrical, Ignition System
2016 SCRAMBLER 1000 MD (A16SVE95NM/AN2) - Electrical, Ignition System
2016 SCRAMBLER 1000 TRACTOR (A16SVS95CM) - Electrical, Ignition System
2016 SCRAMBLER 1000 TRACTOR (A16SVS95CM/T95C2) - Electrical, Ignition System
2016 SCRAMBLER XP 1000 (A16SVE95AA/AM) - Electrical, Ignition System
2016 SPORTSMAN 1000 HL (A16SXM95AL) - Electrical, Ignition System
2016 SPORTSMAN 1000 MD (A16SXE95NK/A95N2) - Electrical, Ignition System
2016 SPORTSMAN 1000 XP (A16SXE95AG/AR/D95A9) - Electrical, Ignition System
2016 SPORTSMAN 1000 XP, TRACTOR (A16SXS95CK/CG/T95C2) - Electrical, Ignition System
2016 SPORTSMAN 1000 XP, TRACTOR (A16SXS95CK/T95C2) - Electrical, Ignition System
2016 SPORTSMAN TOURING 1000 (A16SYE95AK/AP) - Electrical, Ignition System
2016 SPORTSMAN TOURING 1000 MD (A16SYE95NK) - Electrical, Ignition System
2016 SPORTSMAN TOURING TRACTOR 1000 (A16SYS95CK) - Electrical, Ignition System
2016 SPORTSMAN XP 1000, ZUG (A16SXS95FK) - Electrical, Ignition System
2017 SCRAMBLER 1000 EU (A17SVE95FM) - Electrical, Ignition System
2017 SCRAMBLER 1000 MD (A17SVA95N2/SVE95NM) - Electrical, Ignition System
2017 SCRAMBLER 1000 TRACTOR (A17SVS95CM/T95C2) - Electrical, Ignition System
2017 SCRAMBLER 1000 XP ZUG (A17SVS95FM) - Electrical, Ignition System
2017 SCRAMBLER XP 1000 (A17SVE95AM) - Electrical, Ignition System
2017 SPORTSMAN 1000 HIGH LIFTER (A17SXM95AM) - Electrical, Ignition System
2017 SPORTSMAN 1000 XP (A17SXD95A9/SXE95AC/AL) - Electrical, Ignition System
2017 SPORTSMAN 1000 XP EU (A17SXE95FL) - Electrical, Ignition System
2017 SPORTSMAN 1000 XP MD (A17SXE95NL) - Electrical, Ignition System
2017 SPORTSMAN 1000 XP TRACTOR (A17SXS95CL) - Electrical, Ignition System
2017 SPORTSMAN 1000 XP ZUG (A17SXS95FL) - Electrical, Ignition System
2017 SPORTSMAN TOURING 1000 (A17SYE95AK) - Electrical, Ignition System
2017 SPORTSMAN TOURING TRACTOR 1000 (A17SYS95CK) - Electrical, Ignition System
2018 SCRAMBLER 1000 TRACTOR (A18SVS95CR/ER) - Electrical, Ignition System
2018 SCRAMBLER 1000 XP ZUG (A18SVS95FR) - Electrical, Ignition System
2018 SCRAMBLER XP 1000 (A18SVE95BR) - Electrical, Ignition System
2018 SCRAMBLER XP 1000 EU (A18SVE95FR) - Electrical, Ignition System
2018 SPORTSMAN 1000 HIGH LIFTER (A18SXM95AL) - Electrical, Ignition System
2018 SPORTSMAN 1000 XP (A18SXD95B9/SXE95BR/BC) - Electrical, Ignition System
2018 SPORTSMAN 1000 XP (A18SXD95B9/SXE95BR/BC/BE) - Electrical, Ignition System
2018 SPORTSMAN 1000 XP EU (A18SXE95FR) - Electrical, Ignition System
2018 SPORTSMAN 1000 XP TRACTOR (A18SXS95CC/CR/EC/ER) - Electrical, Ignition System
2018 SPORTSMAN 1000 XP TRACTOR (A18SXS95CC/CR/ER) - Electrical, Ignition System
2018 SPORTSMAN 1000 XP ZUG (A18SXS95FR) - Electrical, Ignition System
2018 SPORTSMAN TOURING 1000 (A18SYE95BU) - Electrical, Ignition System
2018 SPORTSMAN TOURING TRACTOR 1000 (A18SYS95CU/EU) - Electrical, Ignition System
2019 SCRAMBLER 1000 XP EU (A19SVE95FR) - Electrical, Ignition System
2019 SCRAMBLER 1000 XP TRACTOR (A19SVS95CR) - Electrical, Ignition System
2019 SCRAMBLER 1000 XP ZUG (A19SVS95FR) - Electrical, Ignition System
2019 SPORTSMAN 1000 XP 48 (A19SXD95B9/SXE95BN/SXZ95BP) - Electrical, Ignition System
2019 SPORTSMAN 1000 XP EU (A19SXE95FR) - Electrical, Ignition System
2019 SPORTSMAN 1000 XP TRACTOR (A19SXS95CC/CR) - Electrical, Ignition System
2019 SPORTSMAN 1000 XP ZUG (A19SXS95FR) - Electrical, Ignition System
2019 SPORTSMAN TOURING TRACTOR 1000 (A19SYS95CH) - Electrical, Ignition System
2019 SPORTSMAN TOURING XP 1000 (A19SYE95BV) - Electrical, Ignition System
2019 SPORTSMAN XP 1000 HIGH LIFTER (A19SXM95AL) - Electrical, Ignition System

Checking the NGK application guide:
The suggested plug for the 2015-16 Sportsman 1000 XP is LZKAR7A (stock # 6799)
The Iridium version of LZKAR7A is ILZKAR7A10 (STOCK # 6043)
 

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[QUOTE=Happyman;1408595]
It should be the NGK 6043s.
Thanks. How did you determine this? I can’t seem to find any info as to the proper plug.[/QUOTE]

The 6043s are known throughout the Polaris world as the go to plug for the XP machines. I've been running the same pair of 6043s for 5 years and over 4000 miles without issue.
 

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Discussion Starter #9
[QUOTE=Happyman;1408595]
It should be the NGK 6043s.
Thanks. How did you determine this? I can’t seem to find any info as to the proper plug.
The 6043s are known throughout the Polaris world as the go to plug for the XP machines. I've been running the same pair of 6043s for 5 years and over 4000 miles without issue.[/QUOTE]

Did you change the factory set gap on the plugs or leave it at .040 in / 1.0 mm?
 

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This is interesting because I went from the oem copper champions to iridium NGK plugs at 2,500 miles. The champions looked great, perfect. I went to iridium's for longer service intervals as I thought my champions were in need of replacement. Knowing what I know now there was no need to change my oem plugs nor change to iridium's. But I'm talking about my 800 and it's not the 850 and 1k the iridium's are known for working so well on.
 

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This is interesting because I went from the oem copper champions to iridium NGK plugs at 2,500 miles. The champions looked great, perfect. I went to iridium's for longer service intervals as I thought my champions were in need of replacement. Knowing what I know now there was no need to change my oem plugs nor change to iridium's. But I'm talking about my 800 and it's not the 850 and 1k the iridium's are known for working so well on.
Yep bp, after doing some spark plug research a few years ago I switched back to copper plugs and plan to stay with them unless something that's actually better comes along. The ONLY advantage to iridium and platinum plugs is longevity. They last about twice as long as copper before having to be replaced. Those metals are harder but less conductive than copper. Iridium is a little better than platinum according to the information I've found but copper is still the best. The trade off for lasting longer is lower performance, higher plug temperatures and much higher cost. Your machine's ignition system was designed for copper core plugs and that's what it had installed at the factory.
The advertising/marketing gurus are very good at making you FEEL better about spending more money for a less efficient product because they know the average consumer is lazy. Most consumers don't want to have to service their vehicles. Thus the reasoning behind 30,000 mile oil, 100,000 mile spark plugs and "lifetime" non-greaseable u-joints. They will have you smiling, patting yourself on the back and bragging to your friends because you bought into the hype and put the most expensive unobtanium exotic metal plugs in your machine lol. I can find NO VALID REASON for iridium plugs unless you just don't want to EVER check/replace your spark plugs again!

Now let the discussion begin...:devil
 

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Meh, no discussion...you use what you feel comfortable with and I'll do the same. Just sad to see you, what's supposed to be a grown man, get all puffy chested about some spark plug discussion on the internet and feel the need to capitalize your talking points as if they're factual and not your opinion. The iridium plugs have fixed a lot of fouling issues with the XP line and that's the only fact I'm worried about. And remember, facts don't care about your feelings or opinions.
 

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Meh, no discussion...you use what you feel comfortable with and I'll do the same. Just sad to see you, what's supposed to be a grown man, get all puffy chested about some spark plug discussion on the internet and feel the need to capitalize your talking points as if they're factual and not your opinion. The iridium plugs have fixed a lot of fouling issues with the XP line and that's the only fact I'm worried about. And remember, facts don't care about your feelings or opinions.
Huh? I didn't think I was being puffy chested lol. I was simply reciting the facts provided by experts on the subject. Copper is more conductive and therefore more efficient while iridium lasts longer but is less efficient. Simple as that. Which one you decide to use depends on what's more important to you.
 

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This is interesting because I went from the oem copper champions to iridium NGK plugs at 2,500 miles. The champions looked great, perfect. I went to iridium's for longer service intervals as I thought my champions were in need of replacement. Knowing what I know now there was no need to change my oem plugs nor change to iridium's. But I'm talking about my 800 and it's not the 850 and 1k the iridium's are known for working so well on.
Yep bp, after doing some spark plug research a few years ago I switched back to copper plugs and plan to stay with them unless something that's actually better comes along. The ONLY advantage to iridium and platinum plugs is longevity. They last about twice as long as copper before having to be replaced. Those metals are harder but less conductive than copper. Iridium is a little better than platinum according to the information I've found but copper is still the best. The trade off for lasting longer is lower performance, higher plug temperatures and much higher cost. Your machine's ignition system was designed for copper core plugs and that's what it had installed at the factory.
The advertising/marketing gurus are very good at making you FEEL better about spending more money for a less efficient product because they know the average consumer is lazy. Most consumers don't want to have to service their vehicles. Thus the reasoning behind 30,000 mile oil, 100,000 mile spark plugs and "lifetime" non-greaseable u-joints. They will have you smiling, patting yourself on the back and bragging to your friends because you bought into the hype and put the most expensive unobtanium exotic metal plugs in your machine lol. I can find NO VALID REASON for iridium plugs unless you just don't want to EVER check/replace your spark plugs again!

Now let the discussion begin...
I totally agree with you. 6 years ago this forum was into a nkg plug swapping fad. I bought into it and changed my champion plug for a nkg. Every expert told me I was wasting money and a good plug. Well they where right. Companies will sell you dreams. As far as forum fads, beware.
 

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Discussion Starter #17
I’m going by what Ryan at RVS Performance recommended, not necessarily a “fad”. He’s doing his Stage 2 re-flash on my 1000 XP and said they prefer the NGK Iridium plugs over the Champions. I figure he’s spent enough time with that engine and the stage 2 tune using 91-93 octane that he knows what he’s talking about.
Thanks for everyone’s input on the subject.
 

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I’m going by what Ryan at RVS Performance recommended, not necessarily a “fad”. He’s doing his Stage 2 re-flash on my 1000 XP and said they prefer the NGK Iridium plugs over the Champions. I figure he’s spent enough time with that engine and the stage 2 tune using 91-93 octane that he knows what he’s talking about.
Thanks for everyone’s input on the subject.
Oh yeah, that's what I'd said earlier. If he's recommending them with the tune he's doing then that IS a valid reason to use them in your case. He's specifically tuning to use those plugs.
 

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I got the same recommendation from Ryan at RVS performance as well. I have a 1000 with stage 1 tune. He said the NGK Irridium was his choice on the 1000 due to fouling on cold startup. I trust him.
This was well after I had my tune. I contacted him and asked about an aftermarket plug. So it wasn’t like he said I need to run the NGK when he sold me the tune. just that he prefers them when I asked him.
 

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So hey guys new to the forum, and new polaris owner. after i purchased my 850 xp i did a lot of lurking online and on this forum. learned alot!

Posted this comment in a different NGK forum but thought i would thow my newbe .02 cents around in here...

so this is what i know from my little experience with my machine. had only 265 miles when i purchased it. it had original plugs, had k&n filter, but i soon replaced that with stock, as i read here guys had bad experience with dust blow by. already bought and fixed the Breather with 2012 parts, no oil in air box.

I now have 330 miles on it now. Changed to the NGK when i got it so mostly with NGK 6043 or ILZKAR7A10 plugs. I did change out to new set of CHAMPION REA8MCX for a few rides and plowing to see the difference and i did notice with the Champions in the machine it seamed to want to stall out more often when it would idil while i changed the angle of the plow or just idiling. Then i put a new fresh set of NGK's back in and it seams to run so much smoother and a little more power. But i know small sample size, i mostly ride around my lake, Plowing and dear stand running. I like the NGK's alot better.

I will add that i run Non Ethanol gas, 91 octane pretty sure. So i think it make a diffrence what gas with the plugs you are running. Only reason i run that gas i have tank on hand at my house for running all my other small engines.
 
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