36
MS 171, MS 181, MS 211
The pistons rings are compressed
by the inner taper of the cylinder.
:
Carefully push the piston with
crankshaft into the cylinder
(arrow).
:
Apply thin coating of sealant to
the outside diameter (arrows) of
the oil seals,
b
16
:
Position the crankshaft with
bearings and oil seals in the
bearing seats in the cylinder,
making sure the oil seals are
properly seated (arrows) in the
housing.
533RA106 TG
533RA108 TG
533RA109 TG
– Inspect and clean the mating face
on the engine pan, remove
gasket residue if necessary,
b
16
The mating faces must be perfectly
clean and not be damaged in any
way. Replace parts with damaged
mating faces.
:
Apply sealant along the groove,
b
16
Sealant must not get into the
recesses (arrows) – the transfer
ports must not be obstructed.
:
Place the engine pan (1) on the
cylinder.
Apply slight pressure to the engine
pan so that the sealant is evenly
distributed .
Take care not to damage the
crankshaft stubs.
533RA110 TG
1
533RA111 TG
– Clean the crankshaft stub,
b
16
– Install the engine,
b
8.5
– Reassemble all other parts in the
reverse sequence.
8.7
Ball Bearings/Crankshaft
– Remove the engine,
b
8.5
– Remove the crankshaft and oil
seals,
b
8.6
– Remove the piston,
b
8.8
:
Pull the ball bearing (1) off the
ignition end of the crankshaft.
:
Pull the ball bearing (1) off the
clutch end of the crankshaft.
1
533RA113 TG
1
533RA114 TG
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