Checking The Valve Clearance; Cooling System - PIAGGIO 633234 Workshop Manual

X9 Evolution 500
obtained on the head, make the driving shaft per-
form a further revolution.
- Check that the two references match perfectly; if
not, remove the timing belt and install it again.
See also
Cylinder assy. and timing system

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)

Cooling system

Engine cooling fluid level check
The fluid level inspection should be carried out ev-
ery 6,000 km when the motor is cold, following the
methods indicated below:
- Rest the vehicle on the central stand and on a flat
ground.
- Remove the expansion tank cap and top up, if the
fluid level is near to or below the MIN level into the
Maintenance
MAIN - 43