Service Manual

CAMSHAFT/CRANKSHAFT 7-1
7
Camshaft/Crankshaft
TABLE OF CONTENTS
Exploded Vi ew........................................................................................................................... 7- 2
Specifications ............................................................................................................................ 7- 4
Crankcase ................................................................................................................................. 7- 5
Crankcase Cover Removal .................................................................................................. 7- 5
Crankcase Cover Installation ............................................................................................... 7- 5
Inspection............................................................................................................................. 7- 6
Cleaning............................................................................................................................... 7- 6
Breather..................................................................................................................................... 7- 7
Breather Chamber Cover Removal ..................................................................................... 7- 8
Breather Chamber Cover Installation .................................................................................. 7- 8
Breather Valve Inspection .................................................................................................... 7- 8
Camshaft, Tappet ...................................................................................................................... 7- 9
Camshaft, Tappet Removal............................. ................................... .................................. 7- 9
Camshaft, Tappet Installation.......................................... ..................................................... 7-10
Camshaft Disassembly ........................................................................................................ 7-10
Camshaft Assembly ............................................................................................................. 7-10
Camshaft Inspection ............................................................................................................ 7-10
Camshaft Bearing/Journal Wear.......................................................................................... 7-11
Crankshaft, Connecting Rod ..................................................................................................... 7-12
Connecting Rod Removal............................................................................... ..................... 7-12
Connecting Rod Installation.................................. ................................... ............................ 7-12
Crankshaft Removal ............................................................................................................ 7-12
Crankshaft Installation ......................................................................................................... 7-12
Cleaning/Inspection ............................................................................................................ 7-12
Connecting Rod Bend/Twist.................. .......................................................... ..................... 7-13
Connecting R od Big End/Crankpin Width Wear .................................... .............................. 7-13
Connecting R od Big End Bearing/Crankpin Wear ............................................................... 7-14
Crankshaft Runout .............................. ................................................................................. 7-14
Crankshaft Main Journal/Wear ............................................................................................ 7-15