Yamaha F2.5A Service Manual page 140

Index
A.
Adjusting the engine idle speed ................1-18
Adjusting the pilot screw ...........................4-10
After test run .............................................1-18
Applicable model.........................................1-5
Assembling the carburetor ..........................4-9
Assembling the clamp brackets ..................7-9
Assembling the crankcase ........................5-32
Assembling the cylinder block...................5-31
Assembling the lower case .......................6-12
Assembling the manual starter ...................5-8
Assembling the piston and
cylinder block ..........................................5-33
Assembling the propeller shaft
assembly...................................................6-9
Assembling the propeller shaft housing ......6-9
Assembling the swivel bracket....................7-8
Assembling the tiller handle ........................7-3
Automatic tilt support and steering pivot
immobilization system.............................1-13
B.
Blowby gas reburning system .....................1-7
Break-in.....................................................1-18
C.
Carburetor...................................................4-5
Carburetor and intake silencer....................4-4
Changing the engine oil ..............................3-4
Changing the gear oil................................3-10
Checking the anodes ................................3-11
Checking the camshaft .............................5-29
Checking the carburetor..............................4-7
Checking the compression pressure...........5-7
Checking the connecting rod big end
side clearance.........................................5-27
Checking the connecting rod small end
inside diameter........................................5-27
Checking the cooling water passage ..........3-7
Checking the cooling water pilot hole .......1-17
Checking the crankpin oil clearance .........5-28
Checking the crankshaft ...........................5-27
Checking the cylinder bore .......................5-25
Checking the cylinder head.......................5-20
Checking the drive shaft ...........................6-12
Checking the engine idle speed..................3-7
Checking the engine oil..................... 1-16
Checking the engine shut-off
switch .............................................. 1-17
Checking the fuel cock................................4-7
Checking the fuel filter ........................ 3-3
Checking the fuel line..................................3-3
i-1
Checking the fuel system ......................... 1-15
Checking the fuel tank and
fuel filler cap ............................................. 4-7
Checking the gear oil................................ 1-15
Checking the gear oil level ......................... 3-9
Checking the gear shift and
throttle operation..................................... 1-17
Checking the ignition spark gap ................. 8-4
Checking the ignition timing........................ 3-8
Checking the lower case .......................... 6-12
Checking the lower unit for air leakage .... 3-11
Checking the oil seal housing................... 5-32
Checking the oil splasher gear ................. 5-30
Checking the outboard motor
mounting height ...................................... 1-16
Checking the pinion and forward gear...... 6-12
Checking the piston clearance ................. 5-25
Checking the piston diameter ................... 5-24
Checking the piston pin ............................ 5-27
Checking the piston pin boss bore ........... 5-26
Checking the piston ring grooves ............. 5-26
Checking the piston ring side clearance... 5-26
Checking the piston rings ......................... 5-25
Checking the propeller.............................. 3-11
Checking the propeller shaft....................... 6-9
Checking the propeller shaft housing ......... 6-8
Checking the push rod guide.................... 5-15
Checking the push rods............................ 5-15
Checking the rocker arms......................... 5-15
Checking the spark plug ............................. 3-5
Checking the spark plug cap ...................... 8-4
Checking the spiral spring .......................... 5-8
Checking the steering system .................. 1-16
Checking the TCI unit ................................. 8-5
Checking the TCI unit air gap ..................... 3-9
Checking the thermostat............................. 3-6
Checking the valve clearance..................... 3-4
Checking the valve guides........................ 5-16
Checking the valve lifters.......................... 5-30
Checking the valve seat ........................... 5-18
Checking the valve springs....................... 5-15
Checking the valves ................................. 5-16
Checking the water pump and shift rod ...... 6-6
Control system............................................ 3-7
Cooling water flow chart ........................... 1-14
Cylinder block ........................................... 5-22
Cylinder head ........................................... 5-12
,
3-3
,
8-5
,
4-7
69M3E11