To refit the gearbox components follow the procedure under sect. 9 - 9.2, Reassembly of the crankcase halves, relating to reassembly of the engine crankcase.
As a final practical test, ensure that with the gearbox in neutral the front coupling dogs (a) of sliding gears (b) are equidistant on both sides with respect to the corresponding coupling dogs on the fixed gears (c).
Check also that there is always a small amount of clearance between fork (d) and relative groove (e) on sliding gear (b) when engaging the gears.
Water pump
Screw
Washer
Circlip
Water pump outlet union
Bearing
bearing
Spacer
Aluminium gasket
Mechanical seal
Water pump impeller
Bush
Water pump cover assembly
Screw
Plug
Sealing washer
Generator cover
Special washer
Fuel filler flange
Spare parts catalogue
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Overhaul of the gearbox
Check the condition of the front coupling dogs of the gears. They must be in
perfect condition and with no sign of wear on
the edges of the teeth.
The idler gears must rotate freely on their shafts.
When refitting, make sure the circlips are correctly positioned.
Check the needle roller ...
Cylinder compression test
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
Engine performance is directly correlated to the pressure that can be
measured in the combustion chambers of the two
cylinders. Pressure which is too high/low or an excessive difference be ...