Cylinder And Piston - Husqvarna 331R Workshop Manual

3. Measure the diameter of the clutch drum. Replace
the clutch drum if the diameter is more than 78.5
mm.
7.9.3 To install the centrifugal clutch
1. Put some grease on the clutch screw, but not on the
thread.
2. Install the centrifugal clutch in the opposite
sequence to how it was removed.

7.10 Cylinder and piston

7.10.1 To get access to the cylinder and piston
1. Remove the shaft.
2. Remove the spark plug cover and the spark plug.
3. Remove the cylinder cover.
4. Remove the starter.
5. Remove the muffler and heat shield.
6. Remove the air filter cover, the air filter and the air
filter holder.
7. Remove the carburetor, the distance piece and the
heat shield.
30 - Repair instructions
7.10.2 To disassemble the cylinder and piston
1. Remove parts as given in
cylinder and piston on page 30 to get access to the
cylinder and piston.
2. Loosen the 4 bolts and pull the cylinder up.
3. Remove the cylinder base gasket.
4. Put a cloth on top of the crankcase opening to make
sure that no dirt goes into the crankcase.
5. Use a pointed tool to remove the G snap rings for
the wrist pin.
To get access to the
1296 - 001 - 27.09.2019