APRILIA Caponord 1200 2016 Manual page 82

Maintenance
Checking the valve clearance
The following operation can be carried out also with the engine fitted on the vehicle.
•
Remove both head covers.
CAUTION
REPLACE THE FOUR RUBBER INSERTS AND THE GASKET EACH TIME THE BIG END COVER
IS REMOVED.
•
Using the pins, synchronise the cylin-
der being checked.
•
Using a feeler gauge, measure the dis-
tance between the cam of the camshaft
and the valve bucket tappet
•
Take note of the measurement.
If valve clearance is not within the tolerance range,
adjust as follows:
•
Take the engine to the TDC.
•
Lock the camshafts by using the cor-
responding timing pins.
Specific tooling
020719Y Timing pin
Characteristic
Valve clearance at intake
0.15 - 0.20 mm (0.0059 - 0.0079 in)
Outlet valve clearance
0.20 - 0.25 mm (0.0079 - 0.0098 in)
•
Remove one cam shaft at a time
•
leave the other camshaft in position and secured by the timing pin.
CAUTION
IF BOTH CAMSHAFTS ARE REMOVED AT THE SAME TIME, THE ENGINE COULD ROTATE,
RENDERING IT NECESSARY TO RETIME IT.
See also
Removing the
head cover
MAIN - 82
Caponord 1200 - Caponord 1200 Rally