2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 381Get this manual
SIGNAL SYSTEM EB806024
2.If the neutral indicator light fails to come on: 1.Neutral indicator light LED
Check the LED of the neutral indicator lightRefer to "CHECKING THE LEDs"CONTINUITY
NO CONTINUITY
Replace the meter assembly
2.Gear position switch Refer to "CHECKING THE SWITCH"CONTINUITY