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Discussion Starter #1
Bit of a stupid question here but i kinda need to know what size plug my 99 XC SP 500 takes. When i bought the sled the owner had lost the manual and i never got to see what size plug it takes. There are BR8ES's in it right now but i thought that kinda sounded a bit hot but i don't really know. I thought there would have been a sticker under the hood that told what size it is but i couldn't find it. Thnx for the help...
 

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any dealership will sell the size. I think sleds take the same size as lawnmowers. I know all modern sleds use the same size plug.
 

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Well im not sure on your plug size...i belive that i use br9es on my triumph, but i would think that the last guy must have ran those plugs and probably was ok. If you go into any sled shop and ask for plugs for your sled, if they ask you what number they were just tell them that you dont know and then they will look it up for you. But as for your manual, if you read the sticker on your dash panel right below your speedo/tach, you should see a note about how to get a owners manual with an 800 # to call.

Polaris is my way out - Other people just use a door.
 

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I think your sled came with a Champion plug. 57YC should be the right one. If you want to stay with NGK I would use a BR9ES That should be the same heat range as a 57. Although the 57 has a protruded tip which is better for keeping the plug clean which meens less fouling.


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I know my 94 xlt has the brand and #s under the hood on a factory sticker. try to get somthing with a fixed top

THUNDER
 

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If u were to run NGK, use EYA plugs

NGK BR9EYA. The electrode has a "V" cut into it, which reduces carbon build-up on the end of the electrode.



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im new here to the sledding sport, but am pretty good with 2 strokes from owning and racing dirtbikes, and doing all my own maintenance, my take on your plug delima is id run a NGK br9es, that is what is intented for your sled, but if you ride alot of slow terrian or have a beginner that is not into the throttle you may wanna run a br8es, its just a bit hotter, "less apt to foul" now heres one more point to make, alot of people try to quick fix a poorly jetted carb by running a hotter plug which usally leads to poor performance, throttle stumbles and such, also i cant stress enough stick with NGK!! i hope this helps you out.
 

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I agree, stick with the NGK.....the the champions fouled MUCH fast for me when I had my storm.....I have never heard a bad thing about NGK

2002 Arctic Cat ZR 800 EFI

founding member of the Arctic Cat Mind Control Team......you will believe!!​
 

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Discussion Starter #10
thnx for the help. I tried calling that 800# several times and it is always busy and i've never gotten through so i just ended up ordering a new one from the local polaris dealer
 

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Sled dog ,I can't believe nobody questioned your answer.
My Cat uses the same plug as my gas powered washing machine.LOL

Spaceman
Mean Green Racing
Elyria, Ohio
 
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