Vespa GTV 125
indicator on the head, make the crankshaft turn
once more.
-The TDC reference mark is repeated also be-
tween the flywheel cooling fan and the flywheel
cover.
To use this reference mark, remove the spark plug
and turn the engine in the sense opposite to the
normal direction using a calliper spanner applied
to the camshaft command pulley casing.
N.B.
TIME THE TIMING SYSTEM UNIT IF IT IS NOT
IN PHASE.
Cooling system
Introduction of the engine coolant.
Check coolant level when the engine is cold as in-
dicated in the scheduled maintenance table, fol-
lowing the steps below.
Place the scooter on its centre stand and on flat
ground.
- Undo the screw shown in the figure and remove
the expansion tank cap on RHS.
- Top up if the fluid level is near or below the MIN
level edge. The liquid level must always be be-
tween the MIN and MAX level.
-The coolant consists of an ethylene glycol and
corrosion inhibitor based 50% de-ionised water-
antifreeze solution mix.
CAUTION
DO NOT EXCEED THE MAX. LEVEL WHEN
FILLING SO AS TO AVOID THE COOLANT ES-
CAPING FROM THE EXPANSION TANK WHEN
THE vehicle IS IN USE.
Braking system
Maintenance
MAIN - 15