Yamaha F100B, Service Manual

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POWR
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Power unit
Special service tools ..................................................................................... 5-1
Power unit....................................................................................................... 5-3
Checking the valve clearance.................................................................... 5-6
Checking the compression pressure ......................................................... 5-9
Checking the oil pressure .......................................................................... 5-9
Removing the power unit......................................................................... 5-10
Timing belt and sprockets........................................................................... 5-12
Removing the timing belt and sprockets.................................................. 5-17
Checking the timing belt and sprockets................................................... 5-18
Installing the timing belt and sprockets.................................................... 5-18
Cylinder head ............................................................................................... 5-21
Removing the cylinder head .................................................................... 5-25
Checking the valve springs...................................................................... 5-26
Checking the valves ................................................................................ 5-26
Checking the valve guides....................................................................... 5-27
Replacing the valve guides...................................................................... 5-28
Checking the valve seat .......................................................................... 5-28
Refacing the valve seat ........................................................................... 5-29
Checking the camshaft ............................................................................ 5-31
Checking the cylinder head ..................................................................... 5-32
Installing the valves ................................................................................. 5-33
Installing the cylinder head ...................................................................... 5-34
Cylinder body ............................................................................................... 5-36
Removing and installing the oil filter ........................................................ 5-39
Disassembling the cylinder body ............................................................. 5-39
Checking the piston diameter .................................................................. 5-40
Checking the cylinder bore ...................................................................... 5-40
Checking the piston clearance ................................................................ 5-41
Checking the piston rings ........................................................................ 5-41
Checking the piston ring grooves ............................................................ 5-42
Checking the piston ring side clearance.................................................. 5-42
Checking the crankshaft .......................................................................... 5-42
Checking the crankshaft pin oil clearance ............................................... 5-43
Selecting the connecting rod big end bearing ......................................... 5-44
Checking the crankshaft main journal oil clearance ................................ 5-45
Selecting the crankshaft main journal bearing......................................... 5-47
Assembling the cylinder body.................................................................. 5-48
Installing the power unit........................................................................... 5-51