Husqvarna 331R Workshop Manual page 36

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a) Lubricate the stub axle of the crankshaft and the
large end of the connecting rod with some drops
of two-stroke oil. Do not put oil on the threads.
b) Carefully move the crankshaft (C) into the
bearing in the crankcase (D).
C
D
c) Make sure that the 2 guide bushings (F) are in
position in the crankcase.
d) Put a new crankcase gasket (E) on the
crankcase. Use grease to make sure that the
gasket stays in position.
36 - Repair instructions
F
E
4. Lubricate the crankshaft journal with some drops of
two-stroke oil and move the crankcase cover into
position. Do not put oil on the threads.
5. Tighten the 4 screws (A) diagonally. Make sure that
the crankshaft rotates easily.
B
6. Attach the piston and the flywheel.
a) Assemble the piston on the connecting rod with
the arrow on the piston pointed in the direction of
the exhaust port.
b) Put the snap rings of the wrist pin in the slots.
c) Put the flywheel key in the crankcase keyway
with the flat surface parallel to the center line of
the crankshaft.
A
1296 - 001 - 27.09.2019

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