Powr - Yamaha F15B Service Manual

POWR

Special service tools......................................................................................5-1
Power unit .......................................................................................................5-3
Checking the compression pressure .........................................................5-3
Checking the oil pressure ..........................................................................5-3
Checking the oil pressure switch ...............................................................5-4
Checking the valve clearance....................................................................5-4
Disassembling the manual starter ...........................................................5-12
Checking the spiral spring .......................................................................5-12
Assembling the manual starter ................................................................5-13
Removing the power unit.........................................................................5-14
Timing belt and sprockets...........................................................................5-17
Removing the timing belt and sprockets .................................................5-18
Checking the timing belt and sprockets...................................................5-19
Installing the timing belt and sprockets ...................................................5-19
Cylinder head ...............................................................................................5-21
Removing the cylinder head ....................................................................5-24
Checking the valve springs......................................................................5-25
Checking the valves ................................................................................5-25
Checking the valve guides.......................................................................5-26
Replacing the valve guides......................................................................5-26
Checking the valve seat ..........................................................................5-27
Refacing the valve seat ...........................................................................5-28
Checking the rocker arms and rocker arm shaft .....................................5-29
Checking the camshaft ............................................................................5-30
Checking the cylinder head .....................................................................5-31
Checking the oil pump .............................................................................5-31
Installing the valves .................................................................................5-31
Installing the cylinder head ......................................................................5-32
Cylinder block ..............................................................................................5-34
Disassembling the cylinder block ............................................................5-37
Disassembling the piston and connecting rod assemblies.....................5-38
Checking the piston diameter ..................................................................5-38
Checking the cylinder bore ......................................................................5-39
Checking the piston clearance ................................................................5-39
Checking the piston rings ........................................................................5-39
Checking the piston ring grooves ............................................................5-40
Checking the piston ring side clearance..................................................5-40
Checking the piston pin boss bore ..........................................................5-41
Checking the piston pin ...........................................................................5-41
Checking the connecting rod small end inside diameter.........................5-41
Checking the connecting rod big end side clearance..............................5-41
Checking the crankshaft ..........................................................................5-42
Power unit
6D45F11