Checking the ignition timing
- Remove the plastic cap on the flywheel cover
-Turn the flywheel until the reference mark «T» on
the rotor matches the reference mark on the fly-
wheel cover as shown in the figure (TDC). Make
sure that the 4V reference point on the camshaft
control pulley is aligned with the reference point on
the head as shown in the second figure. If the ref-
erence is opposite the indicator on the head, turn
the crankshaft once more.
For the use of this reference mark, remove the
spark plug and turn the engine in the direction that
is the reverse of the normal direction using a cal-
liper spanner applied to the camshaft command
pulley casing.
Checking the valve clearance
- To check the clearance in the valves collimate
the references between the cam shaft control pul-
ley and head.
- Use a feeler to make sure the clearance between
the valve and register screw correspond to the in-
dicated values. If the clearance does not corre-
spond, adjust it by loosening the lock nut using a
screwdriver on the set screw as shown in the fig-
ure.
Characteristic
Valve clearance: intake
0.15 mm (when cold)
Valve clearance: discharge
0.15 mm (when cold)
Maintenance MSS X10 500ie Executive
MAIN - 34
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