Yamaha XT660R Service Manual page 238

CRANKCASE ................................................................................................5-69
CRANKCASE BEARINGS....................................................................... 5-71
SEPARATING THE CRANKCASE.......................................................... 5-72
CHECKING THE OIL STRAINER AND OIL DELIVERY PIPE 3 ............. 5-72
CHECKING THE TIMING CHAIN AND TIMING CHAIN GUIDES ..........5-73
CHECKING THE BEARINGS AND OIL SEALS...................................... 5-73
CHECKING THE CRANKCASE ..............................................................5-73
ASSEMBLING THE CRANKCASE.......................................................... 5-74
CRANKSHAFT ..............................................................................................5-76
CRANKSHAFT AND BALANCER ........................................................... 5-76
REMOVING THE CRANKSHAFT ASSEMBLY ....................................... 5-77
CHECKING THE CRANKSHAFT ............................................................ 5-77
INSTALLING THE CRANKSHAFT .......................................................... 5-78
TRANSMISSION............................................................................................ 5-79
MAIN AXLE ............................................................................................. 5-80
DRIVE AXLE ........................................................................................... 5-81
CHECKING THE SHIFT FORKS............................................................. 5-82
CHECKING THE SHIFT DRUM ASSEMBLY..........................................5-82
CHECKING THE TRANSMISSION ......................................................... 5-82
ASSEMBLING THE MAIN AXLE AND DRIVE AXLE ..............................5-83
INSTALLING THE TRANSMISSION .......................................................5-84
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