2000-2005 Yamaha F40B Outboard Service Manual, Page 74Get this manual
I I-I_ POWER TRIM AND TILT SYSTEM 3-18 CHECKING THE POWER TRIM AND TILT FLUID LEVEL 3-18 LOWER UNIT 3-19 CHECKING THE GEAR OIL LEVEL 3-19 CHANGING AND CHECKING THE GEAR OIL 3-19 CHECKING THE LOWER UNIT (FOR AIR LEAKS) 3-20 GENERAL 3-21 CHECKING THE ANODES 3-21 CHECKING THE BATTERY 3-21 CHECKING THE SPARK PLUGS 3-22 CHECKING BOLTS AND NUTS 3-24 LUBRICATION POINTS 3-25