Suzuki GSF1200S 2001 Service Manual page 60

3-22 ENGINE
• Remove the main oil gallery plug 1 and O-ring.
( 09900-00410: Hexagon wrench set
• Loosen the crankcase bolts in descending numerical order and
then remove them.
NOTE:
Two allen bolts are located at position A to tighten the crank-
shaft.
( 09914-25811: 6 mm "T" type hexagon wrench
• Remove the oil return pipe B.
• Make sure that all of the bolts are removed. Then, tap the sides
of the lower crankcase using a plastic mallet to separate the
upper and lower crankcase halves and then lift the lower crank-
case off of the upper crankcase.
$
Do not allow the crankshaft journal bearings to drop out
of the lower crankcase.
NOTE:
If it is difficult to separate the crankcase halves, set the proper
bolt and nut to the crankcase by separating the upper and lower
crankcase halves, as shown in the illustration.
• Remove the crankshaft assembly 2 from the upper crankcase.
NOTE:
* The crankshaft thrust bearings 3 are located between the
crankshaft assembly and upper crankcase.
* See page 3-79 for the crankshaft and conrod servicing.