1987-2003 Yamaha YFZ350 Banshee supplementary service manual, Page 18Get this manual
IGNITION SYSTEM TROUBLESHOOTING
1 ELEC 111IF THE ENGINE REVOLUTION LIMITER SYSTEM FAILS TO OPERATE(WHEN THE PARKING BRAKE IS APPLIED, ENGINE WILL REV OVER THE 2,300 rjmin Procedure Check: IEngine misfiring range 2Parking switch NOTE:
3Wiring connection (entire ignition system)
Remove the following parts before troubleshootingISeat 3) Rear fender 2) Front fender Use the special tools specified in the trouble shooting sectionYU-08036 Engine Tachometer 90890-03 I13 1Engine misfiring range Pocket tester: YM-03112j90890-03112
Attachthe lnductive Tachometer or engine tachometer to the spark plug leadStart the engine, then, shift the gear in neutral position and set the parking brakeCheck the misfiring nearly 2,300 rlminMisfiring engine speed: nearly 2,300 rimin