Power Unit - Yamaha F150A Service Manual

Camshaft .......................................................................... 7-33
Removing the driven sprocket and camshaft .......................... 7-35
Checking the driven sprocket .................................................. 7-35
Checking the camshaft ............................................................ 7-35
Installing the driven sprocket and camshaft ............................ 7-36
Cylinder head .................................................................. 7-38
Removing the cylinder head .................................................... 7-40
Disassembling the cylinder head ............................................. 7-40
Checking the valve lifter .......................................................... 7-40
Checking the cylinder head ..................................................... 7-41
Checking the valve spring ....................................................... 7-41
Checking the valve .................................................................. 7-41
Checking the valve guide ........................................................ 7-42
Replacing the valve guide ....................................................... 7-42
Checking the valve seat .......................................................... 7-43
Refacing the valve seat ........................................................... 7-43
Checking the cylinder head and cylinder block anode ............ 7-45
Assembling the cylinder head ................................................. 7-45
Installing the cylinder head ...................................................... 7-46
Exhaust cover .................................................................. 7-48
Removing the exhaust cover ................................................... 7-50
Checking the PCV ................................................................... 7-50
Checking the thermostat ......................................................... 7-50
Checking the exhaust cover anode ......................................... 7-50
Installing the exhaust cover ..................................................... 7-51
Cylinder block (F150A, FL150A) .................................... 7-52
Removing the oil pump assembly ........................................... 7-54
Removing the oil filter bracket ................................................. 7-54
Removing the balancer assembly ........................................... 7-54
Disassembling the oil pump .................................................... 7-54
Checking the oil pump ............................................................. 7-54
Assembling the oil pump ......................................................... 7-54
Installing the oil pump assembly ............................................. 7-55
Installing the balancer assembly ............................................. 7-55
Installing the oil filter bracket ................................................... 7-56
Cylinder block (F150B, FL150B) .................................... 7-58
Removing the oil pump assembly ........................................... 7-60

Power unit