CRANKSHAFT
pos. Description Type Quantity Torque Notes
1 Connecting rod screws - 8 15 Nm (11.06 lbf ft) +
40° + 60°
Lubricate the thread
and under the head
with Molykote
2 Fastener ring nut for alternator side
timing sprocket
- 1 100 Nm (73.76 lbf ft) Loct. 243
3 Primary sprocket fixing ring nut - 1 200 Nm (147.51 lbf ft) Loct. 243
4 Alternator fixing screw M12x1.25 1 120 Nm (88.51 lbf ft) -
5 Tone wheel fixing screw M8x1.25 1 30 Nm (22.13 lbf ft) Loct. 3M or 270
Balancing countershaft removal
THE BALANCING COUNTERSHAFT CAN BE
FITTED ON THE BEARINGS OR BUSHINGS.
FIND BELOW THE DESCRIPTIONS OF THE RE-
MOVAL AND FITTING PROCEDURES FOR
BOTH TYPES.
BALANCING COUNTERSHAFT ON BEARINGS
•
To extract the balancing countershaft,
first remove: the clutch cover and the
alternator cover.
•
Turn the crankshaft so as to position
the thicker side of countershaft gear on
the side opposite to crankcase bulk-
head.
•
Block crankshaft rotation using the
specific tool.
Specific tooling
020850Y Primary gear lock
See also
Removing the
clutch cover
Removing the flywheel cover
TUONO V4 R Engine
ENG - 311
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