Yamaha YFM400FAR Service Manual

Also see for YFM400FAR: Owner's manual Service manual Assembly manual

Contents

9 - 7– +ELECCHECKING THE BULBS AND BULB SOCKETSWARNINGSince the headlight bulbs gets extremelyhot, keep flammable products and yourhands away from the bulb until it hascooled down.CAUTION: Be sure to hold the socket firmly whenremoving the bulb. Never pull the lead,otherwise it may be pulled out of theterminal in the coupler. Avoid touching the glass part of theheadlight bulb to keep it free from oil,otherwise the transparency of the glass,the life of the bulb and the luminous fluxwill be adversely affected. If the headlightbulb gets soiled, thoroughly clean it witha cloth moistened with alcohol or lacquerthinner.2.Check: Bulb (for continuity)(with the pocket tester)No continuity → Replace.NOTE:Before checking for continuity, set the pockettester to “0” and to the “Ω × 1” range.*****************************************************a.Connect the tester positive probe to terminal1 and the tester negative probe to terminal2, and check the continuity.b.Connect the tester positive probe to terminal1 and the tester negative probe to terminal3, and check the continuity.c.If either of the readings indicate nocontinuity, replace the bulb.*****************************************************Pocket tester:P/N. YU-03112-C, 90890-03112