1988-2006 Yamaha ATV YFS200 Blaster service manual PDF download file., Page 204Get this manual
IGNITION SYSTEM
4Spark plug cap resistance
Remove the spark plug capConnect the Pocket Tester spark plug cap
Check the spark plug cap for specified resistance
OUT OF SPECIFICATION
Spark Plug Cap Resistance: 4-6kS-iat20C(680F
MEETS SPECIFICATION
Spark plug cap is faulty, replace it
5Main switch conduct
Disconnect the main switch leads Connect the Pocket Tester (a 1) to the main switch leads