Operation Manual

42 MS 241 C
: Unscrew screw (1), remove
Loctite residue from the threaded
hole if necessary
: On versions with quick chain
tensioner, remove side plate (2)
: Unscrew spindle (1) until it no
longer rests on the crankshaft
stub
: Push assembly tool (2) from kit
5910 007 2205 onto the
stud (arrow), twist on and tighten
the nut
: Turn spindle (1) clockwise until
the crankshaft stub has been
forced out of the ball bearing
The clutch-side half of the
crankcase is pulled off in this way
and the two halves of the crankcase
separated.
– Replace ball bearings and oil
seals, b 6.6.1 and b 6.3
2410RA544 TG
2
1
2410RA108 TG
2
1
Ignition side half of crankcase
: Remove the gasket (1)
The tools from the assembly tool kit
5910 007 2201 are used for
removal and installation.
– Use disk 5910 893 2103
The assembly took kit
5910 007 2201 can be expanded
with the disk 5910 893 2103.
The new assembly tool kit
5910 007 2201 contains all three
disks.
: Adjust the spindle (1) of the
assembly tool
so that the disk (2) rests against
the half of the crankcase
– Left-hand thread
2410RA109 TG
1
24
24
23
23
22
22
24
23
22
2410RA110 TG
3
1
2
33
: Align the assembly tool (1) with
the disk (2) 5910 893 2103
against the ignition-side half of
the crankcase so that the edge
number "24" (arrow) is at the
bottom
: Insert three M5 x 72 screws (3)
through the holes marked "24"
and screw them as far as
possible into the crankcase half
: Turn the spindle (1)
counterclockwise until the
crankshaft has been forced out of
the ignition-side half of the
crankcase
The crankshaft (1), connecting
rod (2) and the needle bearing
between them make up a complete
unit and must therefore always be
replaced as a unit.
– Check the two halves of the
crankcase and the grooved ball
bearing, replace if necessary,
b 6.6.1
– Before installation, clean the
crankshaft, b 16
24
24
23
23
22
22
24
23
22
2410RA111 TG
1
2
2410RRA112 TG
1