Husqvarna 131R Workshop Manual page 51

c) Put a new crankcase gasket (F) on the
crankcase. Use grease to make sure the gasket
stays in position.
G
E
4. Prepare the crankshaft.
a) Lubricate the crankshaft journal with some drops
of oil and move the crankcase cover (D) into
position.
b) Tighten the 4 screws (A) crosswise. Make sure
that the crankshaft rotates easily.
D
5. Attach the piston and the flywheel.
a) Assemble the piston on the connecting rod.
Make sure that the arrow on the piston points in
the direction of the exhaust port.
b) Put the spacers between the piston and the
needle bearing.
c) Make sure to put wrist pin snap ring correctly in
the slots.
d) Put the flywheel key in position in the crankcase
keyway. Make sure that the flat surface is
parallel to the center line of the crankshaft.
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H
F
A
e) Attach the flywheel.
6. Attach and lubricate the cylinder.
a) Put the cylinder base gasket (I) in the correct
position.
b) Put a piston assembly kit (J) below the piston to
make sure the piston is stable.
c) Lubricate the piston and piston rings (K) with
some oil.
d) Use the piston ring compressor (L) and carefully
move the cylinder into position.
e) Tighten the four screws (M), diagonally.
L
K
I
7. Assemble the remaining parts in the opposite
sequence to how they were disassembled.
M
J
Repair instructions - 51