Maintenance54NOTE:If any leaks are found, consult your Yamahadealer.EMU29153Checking power trim and tilt systemWARNINGEWM00430 Never get under the lower unit while it istilted, even when the tilt support lever islocked. Severe injury could occur if theoutboard motor accidentally falls. Make sure no one is under the outboardmotor before performing this test.1. Check the power trim and tilt unit for anysign of oil leaks.2. Operate each of the power trim and tiltswitches on the remote control and en-gine bottom cowling (if equipped) tocheck that all switches work.3. Tilt the outboard motor up and check thatthe tilt rod and trim rods are extendedcompletely.4. Use the tilt support lever to lock the motorin the up position. Operate the tilt downswitch briefly so the motor is supportedby the tilt support lever.5. Check that the tilt rod and trim rods arefree of corrosion or other flaws.6. Activate the tilt-down switch until the trimrods have retracted completely into thecylinders.7. Activate the trim-up switch until the tilt rodis fully extended. Unlock the tilt supportlever.8. Tilt the outboard motor down. Check thatthe tilt rod and trim rods operate smooth-ly.NOTE:Consult your Yamaha dealer if any operationis abnormal.EMU29171Checking propellerWARNINGEWM00321You could be seriously injured if the en-gine accidentally starts when you are nearthe propeller. Before inspecting, removing, or install-ing the propeller, remove the spark plugcaps from the spark plugs. Also, placethe shift control in neutral, turn the mainswitch to “ ” (off) and remove the key,and remove the lanyard from the enginestop switch. Turn off the battery cut-offswitch if your boat has one.1. Tilt rod2. Tilt support lever3. Trim rods