Reassembly of transmission cover
Fit the Woodruff key (1).
Fit a new gasket (2) and reassemble the transmis-
sion cover (3).
Fit the support bush (4) and tighten the eight nuts (5)
to the stipulated torque load.
Reassembly of the transmission
cover seal
Fit a new seal (1) using service tools S1, S2, S3 and
S4.
Check that the seal is facing in the right direction.
Reassembly of the engine piston
and cylinder
Fit a new needle bearing (1).
Align the piston over the connecting rod and carefully
tap the gudgeon pin into place (2) using a rubber
hammer, supporting the connecting rod and the pis-
ton at all times.
Fit new locking rings (3).
Note: The arrow on the piston crown must point to-
wards the exhaust port of the cylinder.
Fit the piston rings (4) and check that they are cor-
rectly seated in the groove. Fit a new gasket (5)
Lubricate the cylinder bore, the piston and the piston
rings.
Position the cylinder (6) over the piston at bottom
dead centre and slide on the cylinder.
Note: Do not rotate the cylinder when it is fitted on
the piston, as this may damage the piston rings.
Insert the four screws (7) and tighten them to the
stipulated torque load.
31
Fig. 54
Fig. 55
Fig. 56
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