2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 314Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 314

IGNITION SYSTEM TROUBLESHOOTING NO SPARK OR WEAK SPARK Check the main fuse and ignition fuseRefer to "FUSE INSPECTION" in
2 Check the ignition spark gapOK OUT OF SPECIFICATION Replace the ignition coil(s) Check the ignition coil resistanceOK OUT
OF SPECIFICATION Replace the ignition coil(s) Check the crankshaft position sensorOK OUT OF SPECIFICATION Replace the crankshaft
position sensor Check the engine stop switch, throttle switch and main switchOK FAULTY Replace the right handlebar switch
andor main switch Check the throttle position sensorRefer to "THROTTLE BODY" in CHAPTER 7OK FAULTY Replace the throttle position