Crankcase; Transmission - Yamaha LB50IIAC Service Manual

Crankcase
1. Working in a crisscross pattern. loosen
Phillips head screws 1/4 turn each.
Remove them after all are loosened.
2. Install. crankcase separating tool as
shown. Use a thick plain washer to
protect end of crankshaft.
N O T E : - - - - - - - - - - - -
Fully tighten the tool securing bolts. but
make sure the tool body is parallel with
the case. If necessary, one screw may
be backed out slightly to level tool body.
3. As pressure is applied. alternately tap on
the front engine mounting boss. the
transmission shafts and the shift drum.
C A U T I O N : - - - - - - - - - -
Use soft hammer to tap on the case
half. Tap only on reinforced portions
of case. Do not tap on gasket mating
surface. Work slowly and carefully.
Make sure the case halves separate
evenly. If one end "hangs up", take
pressure off the push screw, realign
and start over. If the halves are
reluctant to separate, check for a
remaining case screw or fitting. Do
not force.
Transmission
Transmission shafts should be removed as
an assembly. Tap lightly on the transmission
drive shaft with a soft hammer to remove.
N O T E : - - - - - - - - - - - - ~
Remove assembly carefully. Note the posi-
tion of each part. Pay particular attention to
the location and direction of shift forks.
-57-