Front Cylinder Head Valves - APRILIA RSV4 R Service Station Manual

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Use a feeler gauge to check the clear-

ance between the cam on the shaft and

the relative tappet for both rear head

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 front valve head clearance and restore the correct clearance values if necessary,

proceeding as described below.

Remove both head covers, the alter-

nator side cover and remove the cap

on the clutch cover in order to rotate

the crankshaft.

Remove the O ring.

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