1987-2003 Yamaha YFZ350 Banshee supplementary service manual, Page 234Get this manual
IGNiTION SYSTEM Troubleshooting 2(T.O.R.S.1 NOTE:
Before this troubleshooting troubleshooting 1should be performed
1, Throttle lever switch test Disconnect the throttle lever switch coupler (Black and BlacklYellowfrom the wireharnessConnect the positive lead of the Pocket Tester (YU-03112) to the BlacklYellow lead Connect the negative lead of the Pocket Tester the Black lead Check the switch for continuityrhrottle
BAD CONDITIONI
Throttle lever switch is faultyReplace it
ever IGood condition Bad Condition
0: Continuity
xDiscontinuity
GOOD CONDITION-
2Carburetor switches test