i've searched high and low for a cross reference between champ to ngk, champion doesnt list rn57ycc on the chart i found, so i dont know what to tell you, what kind of sled, motor, year, etc, may help narrow the search
Thanks Tom, I appologize for my ignorance in thinking "00" and "01" were the same plug number. Very close just missing a "C".
I understand the feeling of wanting the NGK plug I went through hell to get the NGK equivilent for my XC. The above number was correct for the "00" machines. However I will edit the post as to not confuse others with the same question. Sorry I did not help, But thanks for enlightening me.
The 57 yc and the 57 ycc are the same plug with the same heat range. the only difference is that the ycc plug has a copper core in the electrode to help with colling the electrode tip. The ycc plug should have a longer life in your sled with the coller tip temp.
My '00' XC 500 SP came with the Champ RN57YC and found the NGK cross reference to be a BPR9EVX. They are not cheap though 8.85 a pop out of DK. They are a VX Platinum Type. I just use a BR9ES in mine, no problems yet. The 8 was a little to hot.
Was reading the Nov SnoeTech mag on page 8 under spark plug substitutions.They reported that they got reports of the ngk cross not performing like the oem specified Campions in Polaris engines, burning hotter.The ignition systemsare designed around the known performance of the specified spark plug,and any subs are done so at your own risk..Should only be done in emergency.
Now on the other hand I ride a 97 RMK 700 with 6000 miles on her, I got rid of the champion plugs long ago and run NGK with no probs.take it for what it is worth ....
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