Yamaha FT50C Service Manual page 258

Index
Checking the piston pin boss bore............5-40
Checking the piston ring grooves..............5-40
Checking the piston ring side clearance ...5-40
Checking the piston rings..........................5-39
Checking the power trim and tilt
fluid level .................................................3-12
Checking the power trim and tilt motor .....7-44
Checking the power trim and tilt
operation .................................................3-11
Checking the power trim and tilt relay.......7-48
Checking the Prime Start ..........................4-12
Checking the propeller ..............................3-14
Checking the propeller shaft .....................6-14
Checking the propeller shaft housing........6-14
Checking the pulser coil............................8-12
Checking the pulser coil air gap................8-13
Checking the Rectifier Regulator ..............8-23
Checking the remote control cables..........1-27
Checking the rocker arms and
rocker arm shaft ......................................5-30
Checking the shift rod assembly
operation .................................................7-10
Checking the spark plug caps...................8-10
Checking the spark plugs............................3-7
Checking the starter motor operation........8-20
Checking the starter motor pinion .............8-19
Checking the starter relay .........................8-16
Checking the steering system...................1-28
Checking the thermostat .............................3-8
Checking the thermoswitch.......................8-14
Checking the throttle cable and shift rod.....7-9
Checking the throttle cable operation .........3-9
Checking the tilt cylinder and
trim cylinder.............................................7-36
Checking the tilt system ............................1-28
Checking the timing belt..............................3-5
Checking the timing belt and sprockets ....5-18
Checking the top cowling ............................3-3
Checking the trailer switch ........................7-49
Checking the trim sensor ..........................7-49
Checking the valve clearance .....................3-5
Checking the valve guides ........................5-26
Checking the valve seat............................5-27
Checking the valve springs .......................5-25
Checking the valves..................................5-25
Checking the water pump and shift rod ......6-9
Checking the wiring harness (10 pins)......8-16
Clamp brackets .........................................7-18
Control system ............................................3-9
Cylinder body ............................................5-35
Cylinder head............................................5-21
i-2
D.
Dimensions................................................. 2-9
Disassembling the cylinder body .............. 5-37
Disassembling the drive shaft................... 6-19
Disassembling the forward gear ............... 6-19
Disassembling the fuel pump ..................... 4-5
Disassembling the gear pump .................. 7-35
Disassembling the lower case .................. 6-20
Disassembling the oil pan......................... 7-15
Disassembling the propeller shaft
assembly ................................................ 6-14
Disassembling the propeller shaft
housing ................................................... 6-13
Disassembling the tilt cylinder .................. 7-35
Disassembling the trim cylinder................ 7-35
Disassembly and assembly ........................ 1-4
Drive shaft and lower case ....................... 6-17
E.
Electrical ..................................................... 2-6
Electrical components ................................ 8-3
Electrical systems..................................... 9-13
F.
Features and benefits................................. 1-5
Fire prevention............................................ 1-3
Front view ................................................... 8-4
Fuel and blowby hoses............................... 4-2
Fuel filter and fuel pump ............................. 4-3
Fuel system ................................................ 3-3
G.
Gear pump................................................ 7-31
General..................................................... 3-14
General specifications ................................ 2-1
General torques........................................ 2-15
Good working practices .............................. 1-4
H.
Hose routing ............................................... 4-2
How to use this manual .............................. 1-1
I.
Identification ............................................... 1-4
Ignition system.......................................... 1-15
Ignition system and Ignition control
system ...................................................... 8-8
Ignition timing control................................ 1-17
Installing the camshaft.............................. 5-33
Installing the clamp brackets .................... 7-19
Installing the cylinder head ....................... 5-34
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