Valve Clearance Inspection - hsr-benelli S-series Service Manual

2.3.4 Valve clearance inspection

ATTENTION:
Valve clearance must be checked and
adjusted when the engine is cold (room
temperature)
Remove cylinder head cover to access cylinder head
(See Head cover Removal)
Taking the engines cylinder 1 to the TDC verify that also
the marks and of the Camshaft sprockets are aligned
between them and with the head plain.
Measure the clearance between camshaft and valve cap
by a thickness gauge making sure that the clearance is
in the specific range.
Start from measuring clearance on:
Cylinder 2 EXHAUST valves;
Cylinder 3 INTAKE valves
Proceed the measurement for other valves, rotating the
engine using a wrench on a special nut of camshaft
(measure the clearance when the cams corresponding to
eligible valves are in upwards position):
Cylinder 1 EXHAUST valves;
Cylinder 2 INTAKE valves
and
Cylinder 3 EXHAUST valves;
Cylinder 1 INTAKE valves
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