2007 Arctic Cat Four-Stroke Factory Service Manual, Page 195Get this manual
Basic Electrical Specifications Chart MODEL
120 cc Bearcat WT 660 cc Non-Turbo 660 cc Turbo 1100 cc Z1
ENGINE MODEL
AA12A2 K6A-B K6A-B K6A-B AA11L1
IGNITION MANUFACTURER
Kokusan Denki Kokusan Denki Kokusan Denki Kokusan Denki Denso
SPARK PLUG (NGK)
BPR6ES KR8AI KR8AI KR8AI CR8EKB
SPARK PLUG GAP mm
0.7-0.8 0.7-0.8 0.7-0.8 0.7-0.8 0.6-0.7
in0.028-0.031 0.028-0.031 0.028-0.031 0.028-0.031 0.024-0.028