Fitting the timing gear. Assemble as detailed in para VALVE TIMING.
Oil filters. Before fitting ensure that the fabric filter is undamaged and
is clean.
350 c.c. and 500 c.c. Heavyweight Models
Removing the engine from frame. If the engine has to be removed for
dismantling, commence by following the instructions given for removing
the cylinder and piston. To facilitate crankcase assembly removal then:
Disconnect two wires from the battery.
Disconnect both oil pipes (watch spanner manipulation at crankcase
end) and drain oil tank.
Lever the oil pipes off (tank end) with a screwdriver or a piece of wood.
Disconnect four snap connectors for alternator wires and contact
breaker cable, lift off the engine plate cover to expose connectors.
Remove rocker box oil pipe from crankcase. Remove timing cover
027093.
Remove 14 screws securing outer portion of chaincase.
Remove central nut for front chaincase, place a receptacle under
chaincase to catch oil.
Remove outer portion, with extreme care, feeding the alternator wires
through the rear portion of chaincase.
Remove nuts securing rotor to engine shaft.
Remove clutch springs and clutch pressure plate.
Remove nut on gearbox mainshaft securing clutch. An 'easy to make
tool' to prevent the mainshaft moving is shown is Fig. 8.
FIG
8
39
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