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4. Tap the valve spring seat with a plastic or rubber hammer to secure the retainer.
5. Install the valve tappet.
6. Install the camshaft and tighten the camshaft cover bolts at the specified torque and in
sequence.
Specified torque: First time 6 Nm
13 Nm for the second time
Tightening sequence: Cylinder No.1 position -Cylinder No.3 position-Cylinder No.4
position-Cylinder No.2 position-Driven pulley end position
7. Turn the driven pulley with the flywheel gripper, and align the “ " marks on the two
driven pulleys for next mounting steps.
8. Install cylinder head bolts and tighten them in the specified order and torque.
Specified torque: 15 Nm for the first time
30 Nm for the second time
80 Nm for the third time
9. Mount the cylinder head cover.
Note:
Use a new sealing ring and apply silica gel at the position shown in the exploded view.
10. Mount the driven pulley and tighten it at the specified torque.
Specified torque: 60 Nm
Crankcase
Disassembly
1. Remove the oil filter using a special tool.
Remove the filter bracket.
Note:
Place a cloth under the oil filter.
Oil filter spanner
2. Remove the exhaust pipe A&B.
3. Remove the thermostat cover and the limber board.
Clean the anode surface, inspect the anode, and replace the anode if the corrosion
exceeds half.
Check the exhaust cover for cracks, deformation or corrosion. Replace it if necessary.
4. Remove the box bolts and the engine base in the order shown in the figure.
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