Operation Manual
BX25. RCK54(P)-23BX. RCK60B-23BX, LA240. BT601,
WSM
ENGINE
Rocker Arm and Push Rod
1.
Remove the rocker arm bracket screws (1).
2.
Detach the rocker arm assembly (2).
3.
Remove the push rods (3).
(When reassembling)
• When putting the push rods (3) onto the tappets (4), check to see
if
their ends are property engaged with the dimples .
• IMPORTANT
•
After
installing the
rocker
arm, be sure
to
adjust
the valve
clearance.
9.8 to 11.3
N'm
Tightening torque
Rocker arm bracket screw 1.00 to 1.15 kgf·m
7.2 to 8,3 ft-Ibs
(3)
(1) Rocker Arm Bracket Screws (3) Push Rod
(2) Rocker Arm Assembly
(4) Tappet
(4)
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Cylinder Head
1.
Loosen the pipe clamps (1), and remove the water return pipe
(2).
2.
Remove the cylinder head screw in the order
of
(n) to (a).
3.
Lift up the cylinder head to detach.
4.
Remove the cylinder head gasket and O-ring (3).
(When reassembling)
• Replace the cylinder head gasket with a new one.
• Securely fit the O-ring (3) to the pipe pin.
• Tighten the cylinder head screws after applying sufficient oil.
• Tighten the cylinder head screws in order
of
(a) to (n).
• Tighten them uniformly,
or
the head may deform
in
the long run.
• Retighten the cylinder head screws after running the engine for
30 minutes,
Tightening torque
37.3 to 42.2
N'm
Cylinder head screw 3.8 to
4.3
kgf·m
27,5 to 31.1 ft-Ibs
(1) Pipe Clamp A :
Gear
Case
Side
(2) Water Return Pipe (n)
to
(a) :
To
Loosen
(3) O-ring
(a)
to
(n) : To
Tighten
W1025645
1-S27