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APRILIA RSV4 1100 Factory 2021 Manual page 91

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RSV4 1100 Factory
side hole and the hole on the crank-
shaft are perfectly aligned.
If this is not the case, repeat the timing
operations.
Specific tooling
020851Y Camshaft timing pin
020852Y Crankshaft timing pin
Check if the clearance between the cam on the shaft and the tappet is correct.
If not, repeat the valve clearance adjustment procedure.
Rear cylinder head valves
Check the rear cylinder head valve clearance val-
ues and adjust if necessary to attain the correct
values, following the procedure described below:
Remove both cylinder head covers, the
soundproofing covers, the alternator
side cover and the clutch cover.
Move cylinder piston 1 (left rear piston)
to the TDC.
Start rotating the crankshaft in the di-
rection of rotation of the engine with a
wrench applied to the primary gear fas-
tener nut. As soon as the first fastener
screw of the camshaft gear is visible,
remove the screw.
Continue rotating the crankshaft in the
direction of rotation of the engine to
complete one full turn + 90° (450° in
total) relative to the starting position in
the previous step.
Insert the pin from the flywheel side in-
to the hole in the crankshaft.
Specific tooling
020852Y Crankshaft timing pin
Maintenance
MAIN - 91

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