Service Manual
Valve Clearance Adjustment
The engine should be cool when adjusting the valve
clearance.
1.
Bring the engine up to top dead centerwith bothvalves
closed (compression stroke).
2.
Turn the adjusting nut with a
10
mm wrench until you
have achieved a clearance of
.005"
to
.007"
(.I3
mm
to
.I8
mm). See Figure 87.
SET SCREW
Figure
87
3.
When the proper clearance
has
been achieved, tighten
the set screw in the top of the adjusting
nut
with a 3 mm
hex key to
45
in Ibs
(5
N-m). See Figure 88.
Figure
88
Valve Cover Installation
1.
Mount a new valve cover gasket.
2.
Install the valve cover. See Figure 89.
3.
Tighten the valve cover screws in a diagonal se-
quence to
45
in Ibs
(5
N-m).
Throttle Bracket Installation
1.
Install the
two
3/8" hex, washer head screws that
retain the throttle bracket to the engine block. Torque
the screws to 85 in Ibs (9.5 N-m). See Figure 90.
--
Figure
90
2.
Install the front blower shroud bracket with
two
3/8"
hex, washer head screws. Torque the screws to
85
in
Ibs (9.5 N-m).
Governor Control Lever and Link
Rod
Installation
1.
Install the link rod with the
Z
bend
from
the bottom of
the governor lever. See Figure 91,
GTS150
43
Figure
91
Engine