1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 372Get this manual
DF40DF50 "K1" (01) model 13-36 NOTE 1: Disconnect remote control wire harness, and connect tester probe to terminal (Gray wire)NOTE 2: Measure resistance with shift in NEUTRAL position
OTHER INSPECTION
FUEL INJECTOR OPERATING SOUND (CRANKING) (1) Touch sound scope or long blade screw driver to fuel injector body as shown(2) Crank engine and check for injector operating soundInjector operating sound"Click"
FUEL INJECTOR OPERATING SOUND (INDIVIDUAL) (1) Disconnect fuel injector wire, and connect the test cord09930-89260Injector test cord (2) Connect Gray wire to body ground(3) Momently touch BlackYellow wire to starter motor relay right terminal (connected to battery positive (+) terminal), and check for injector operating soundInjector operating sound"Click"