APRILIA RSV4 RR 2017 Service Station Manual page 75

RSV4 RR-RF
•
Turn the crankshaft from the hole on the clutch cover until the valves are not in tension.
•
Use a feeler gauge to check the clear-
ance between the cam of the shaft and
the relative tappet for both front head
shafts.
Characteristic
Acceptable values with control clearance be-
tween cam and valve
intake: 0.10 - 0.15 mm (0.0039 - 0.0059 in) ex-
haust: 0.20 - 0.25 mm (0.0079 - 0.0098 in)
REAR CYLINDER HEAD
•
Remove both throttle bodies and the spark plugs.
•
Remove the rear head cover.
•
Use a feeler gauge to check the clear-
ance between the cam on the shaft and
the relative tappet for both rear head
shafts.
Characteristic
Acceptable values with control clearance be-
tween cam and valve
intake: 0.10 - 0.15 mm (0.0039 - 0.0059 in) ex-
haust: 0.20 - 0.25 mm (0.0079 - 0.0098 in)
Front cylinder head valves
•
Check the play on the front head valves and, if it is necessary to restore the correct play
values, proceed as follows.
•
Remove both the head covers, the
sound-proofing covers, the alternator
side cover and clutch cover cap so that
it is possible to rotate the crankshaft.
•
Remove the O-ring.
•
Rotate the crankshaft via the opening on the clutch cover.
Maintenance
MAIN - 75