2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 54Get this manual
Periodic check and adjustment
Maintenance interval chart3-1 Top cowling 3-2 Checking the top cowling.3-2 Fuel system 3-2 Checking the fuel joint and fuel hose (fuel joint-to-carburetor) 3-2 Checking the fuel filter 3-3 Draining the fuel 3-3 Power unit3-3 Checking the engine oil .3-3 Changing the engine oil.3-3 Replacing the oil filter 3-4 Checking the timing belt 3-5 Checking the spark plug 3-5 Checking the thermostat3-5 Checking the cooling water passage.3-7 Control system 3-7 Adjusting the throttle link .3-7 Adjusting the throttle cable (tiller handle model) 3-8 Adjusting the throttle cable (remote control model) .3-9 Checking the gear shift operation (tiller handle model) 3-9 Checking the gear shift operation (remote control model).3-10 Checking the start-in-gear protection (manual starter model) 3-11 Checking the engine idle speed 3-11 Checking the ignition timing3-12 Bracket unit 3-13 Checking the steering operation (tiller handle model) 3-13 Checking the tilt operation (manual tilt model) 3-13 Checking the tilt operation (power tilt model) 3-13 Checking the power tilt fluid level 3-13 Lower unit 3-14 Checking the gear oil3-14 Changing the gear oil 3-14 Checking the lower unit for air leakage .3-15 Checking the propeller3-15 General3-16 Checking the anode3-16 Checking the battery 3-17 Lubricating the outboard motor3-17