APRILIA RSV mille 956X Service And Repair Manual page 185

ENGINE
Insert the chain guide (13) as far as it will go.
Oil the chain tightener (14) and fit it in the cylinder with
the closed end facing the chain tightener shoe (15).
Screw on the M18x1 T.E. screw (16) complete with
seal.
Driving torque of screw (16): 20 Nm (2.0 kgm).
NOTE
Be careful to keep the key from dropping into the
chain compartment.
Cover the chain compartment accordingly.
Insert the key (17) in the slot on the countershaft.
Push the differential gear (18) onto the countershaft so
that the two reference marks (19) are lined up with
each other.
NOTE
Make sure the sharp-edged side of the counter-
weight faces the countershaft.
Push the counterweight (20) onto the countershaft.
Fasten the M14x1 T.E. nut (21) with a coat of LOC-
®
TITE 243 and tighten it.
Driving torque of nut (21): 50 Nm (5.0 kgm).
a
CAUTION
Hold the countershaft still using a punch (22) suitable
for the job.
Coat the valve lifter bucket and camshaft cams with
®
MOLYKOTE G-N.
®
B = LOCTITE 243.
N = Lubricating grease.
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RSV mille