NGK Racing Spark Plug for KTM Suzuki 125cc (R6918B 8) K Type Levers 690 ENDURO R 12 18 ZE56 6810 CPR 2CP06001730007 690 ENDURO R 12 18 ZE56 6810 19 22 ZE56 6820 690 SMC R 12 18 ZE56 6810 19 22 ZE56 6820 790 ADV 19 22 ZE56 6820 790 ADV R 19 22 ZE56 6820 890 ADV 21 22 ZE56 6820 890 ADV R 21 22 ZE56 6820 1090 ADV 17 18 ZE56 6820 1090 ADV R 17 19 ZE56 6820 1190 ADV 14 16 ZE56 6820 1190 ADV R 14 16 ZE56 6820 1290 S ADV R 17 22 ZE56 6820 1290 S ADV S 17 20 ZE56 6820 HUSQVARNA 2021 KTM 250 EXC F 4 Stroke 2017 2018 KTM 250 EXC F Six Days 2021 KTM 250 SX 2007 2016 To withstand the severe conditions that occur in racing engines Electrode configurations Fine wire center electrodes provide better sparking and enhanced ignitability