2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 53Get this manual
Periodic checks and adjustments
Special service tools .3-1 Maintenance interval chart3-2 Top cowling 3-4 Checking the top cowling.3-4 Fuel system 3-4 Checking the fuel joint and fuel hoses (fuel joint-to-fuel injector) 3-4 Measuring the fuel pressure (high-pressure fuel line) 3-5 Checking the fuel filter 3-5 Power unit3-5 Checking the engine oil .3-5 Changing the engine oil using an oil changer3-6 Changing the engine oil by draining it .3-6 Replacing the oil filter 3-7 Checking the timing belt 3-8 Replacing the timing belt .3-8 Checking the valve clearance 3-8 Checking the spark plugs 3-8 Checking the thermostat3-9 Checking the cooling water passage.3-9 Control system 3-9 Checking the throttle link and throttle cable operation3-9 Adjusting the throttle link and throttle cable operation (with stop bolt) 3-10 Adjusting the throttle link and throttle cable operation (without stop bolt) 3-11 Checking the gearshift operation3-12 Checking the engine idle speed 3-13 Checking the ignition timing3-15 Power trim and tilt unit 3-15 Checking the power trim and tilt operation 3-15 Checking the power trim and tilt fluid level 3-16 Lower unit 3-16 Checking the gear oil level 3-16 Changing the gear oil 3-17 Checking the lower unit (for air leakage) 3-18 Checking the propeller3-18 General3-18 Checking the anodes3-18 Checking the battery 3-19 Lubrication .3-20