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4.10 Determining top dead center of No. 1 cylin-
der compression stroke
4.10.1 When reusing the damper
(1) Attach a socket and ratchet handle to the nut of
crankshaft pulley, and rotate the crankshaft in the
normal direction (clockwise when viewed from the
front of the engine.)
(2) Stop turning the crankshaft when the notch mark
stamped on the damper is aligned with a "0" mark on
the pointer.
4.10.2 When replacing the damper with a new one
(1) Remove the rocker arm, valve cap, valve cotter, valve
retainer and valve spring from the No. 1 cylinder inlet
side, and make the inlet valve free.
(2) Attach the dial gauge to the inlet valve and rotate the
crankshaft to determine the compression top dead
center, when determined, stop rotating the crankshaft.
(3) With aligning the "0" mark on the timing plate, draw
the line to the damper outside periphery.
(4) Install the valve spring, valve retainer, valve cotter,
valve cap and rocker arm to the No. 1 cylinder inlet
side.
4.11 Adjusting valve clearance
Adjust the valve clearance.
For adjusting procedures, refer to "Adjustment and
Operation."
4.12 Installing rocker cover
(1) Make sure that the gasket is firmly installed into the
rocker cover.
(2) Tighten the rocker cover mounting nuts to the specified
torque.
REASSEMBLY OF BASIC ENGINE
Turning socket
P/N:58309-73100
Determining top dead center of No. 1 cylinder
compression stroke (1)
Determining top dead center of No. 1 cylinder
compression stroke (2)
Adjusting screw
Lock nut
Adjusting valve clearance
11.3 ± 1.5 N·m
{1.15 ± 0.15 kgf·m}
[8.3 ± 1.1 lbf·ft]
Installing rocker cover
20 ± 2 N·m
{2 ± 0.2 kgf·m}
[14.5 ± 1.4 lbf·ft]
7-19
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