Suzuki 50-85HP outboard motors Service Manual, Page 28Get this manual
SERVICE MANUAL if necessary, r"move cap (2) and tum adjustment screw to obtain 0.45-0.55 voltBe sure to reinstall cap (2)After obtaining the correct voltage at closed throt tIe, remove alignment pin and ch""k sensor output voltage at wide-open throttleVoltage should be 2.5 volts or higherDo nol attempt to adjust wideopen throttle voltageIDLE SPEED SWITCHIdle speed switch malfunction can be quickly fied by checling ignition timing and engine rpm while switching position of idle speed switchNote that carburetor throttle valves must be fully closed for idle speed switch to functionNOTE: defective or maladjusted throt tle valve sensor may Idle speed swlt:l1 to bInoperative '" Ignilion I1mlng at Idle sp to be IneorrectPrior to testing Idle speed switchmake sure throttle valve lOr Is operating properly and """"ctly .JustedRefe10 THROTTLE VALVE SENSOR
Suzuki OT75OT85