2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 527Get this manual
Quality of the image is intentionally reduced!
Electrical Problem: Spark absent or weak Condition 1 Ignition coil defective 2 Spark plug defective 3 Magneto defective 4COl unit defective 5 Pick-up coil defective Problem: Spark plug fouled with car