•
Using the special tools and a T40 torx
insert, having inserted the missing
screw, tighten the two fixing screws (4)
of the intake camshaft timing gear to
the prescribed torque.
Specific tooling
669N/5 (BETA) Ratchet torque wrench, rectan-
gular attachment
736/10.10-1 (STAHLWILLE) Insert holder for
torque wrench with rectangular attachment
•
Complete the reassembly procedure by repositioning the valve cover.
Checking the valve clearance
To proceed with the valve clearance check, it is
necessary to first remove the fuel tank, the side
fairings, the complete filter box, the throttle body
and the canister.
Then proceed as described:
•
Working from the left side of the mo-
torcycle, having removed the inspec-
tion cap, rotate the engine clockwise
until the valve to be measured is freed.
•
Using a feeler gauge, measure the dis-
tance between the cam of the camshaft
and the valve bucket tappet.
Characteristic
Intake valve clearance
0.10 - 0.15 mm (0.0039 - 0.0059 in)
Exhaust valve clearance
0.10 - 0.20 mm (0.0039 - 0.0078 in)
If the valve clearance is not within the tolerance range, proceed with the adjustment, referring
to paragraph "timing check"
See also
Checking the ignition timing
RS 660 - Tuono 660 Maintenance
MAIN - 77
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