
Note
This operation is described for an engine removed from the frame since all reassembly procedures are easier with the engine on the bench.
Disconnect the connector (a) from the generator cable.

Unscrew the two retaining screws (7) of the centre cap (6) over the end of the crankshaft.

Loosen the screws (1) and (12) securing the generator cover (13).
Use tool number 88713.1749 And fix it to the holes (a) of the previously removed screws (7).
Turn the tool shaft slowly to separate the cover (13) from the lh crankcase half.

There is a seal (4) on the cover (13) in correspondence with the gearchange lever shaft that may be damaged when removing the generator cover.
Always check the condition of this sealing ring and renew it if damaged.

Flywheel - alternator
Disassembly of the generator coverDisassembly of the oil pump
Hold the oil pump (1) in a vice taking care not to damage the drive gear
(12).
Warning
Make sure that vice jaws are faced with soft material.
Remove the plug (14) and extract the spring (16) and by-pass valve (17).
Check the condition of the above components.
Remove the circlip (6) ...
Refitting the fuel tank fairings
Make sure that the following components are fitted on the tank fairing (22):
Spacers (18);
Seals (20).
Fit the clips (19) to the central cover (22) at the positions shown,
inserting the tabs (h) into the slots (l).
Apply threadlocker to the screws (14).
Place the tank fairing (22) ...
Engine
Twin cylinder, four-stroke, 90 "l" type, longitudinal, with
deep sump die-cast crankcase.
Bore, mm: 106
Stroke, mm:
67.9
Total displacement, cu. Cm:
1198
Compression ratio:
11.5В±0.5:1
Max power at crankshaft (95/1/ec), kw/hp:
119 kw/162 hp at 9,500 rpm
Max torque at crankshaf ...