Exmark Viking Hydro Operator's Manual page 17

d) This step needs to be done after the unit has been assembled and the engine
has been started. Refer to Section 4 (Operations Instructions).
Check the engine "STOP" position by moving the throttle control fully to the
rear. (Note: There is a detent toward the lower end of the slot in the console
for "IDLE", the "STOP" position is rearward from this detent). If the engine
continues to run in the "STOP" position, turn the kill switch adjusting screw
inward until the engine stops, then give it and additional 1/2 to 3/4 turn to
assure it will always function properly.
For Kawasaki engines with a combined throttle/choke control (engine code
FH451V-AS04):
(36" units – S/N 320,000-345,495; 48" units – S/N 320,000-346,716)
Route the throttle cable along the right side of the upper handle, under the fuel
tank support, and position the cable on the left side of the engine.
Attach throttle cable to engine:
a) Position the throttle control lever (on console) in the full throttle (but not choke)
position. You will feel a detent when the throttle lever is approximately 3/4" (2
cm) from the upper end of the slot (this is full throttle position).
b) Loosen clamp on engine control plate (See Figure 3). Attach inner wire of
the throttle cable to the control plate lever and position cable under cable
clamp, do not tighten clamp.
Choke Link
Choke Adjusting Screw
15 HP KAWASAKI SPEED CONTROL
(THROTTLE CABLE HOOK-UP)
c) Pull the cable to the right when facing the control plate until the alignment
holes in control plate lever and control plate line up. A 15/64" drill bit can be
inserted through these two holes to align them. Once the holes are aligned,
tighten clamp onto throttle cable.
d) Be sure the choke adjusting screw just contacts the choke lever when the
throttle control is in the full throttle position. Choke link should not move when
throttle control is moved to the full throttle position. Choke must be completely
closed when throttle lever is moved to the full forward "CHOKE" position.
NOTE: There is not a "STOP" position. The engine will continue to run
when the throttle control is moved past the rear detent. Turn the ignition
switch to the "off" position to stop the engine.
For Kawasaki engines with a separate choke control (engine code FH451V-
BS04):
(36" units – S/N 345,496 & higher; 48" units – S/N 346,717 & higher)
Route the throttle cable along the right side of the upper handle, under the fuel
tank support, and position the cable on the left side of the engine.
Attach throttle cable to engine:
Control Plate Lever
Control Alignment Holes
Control Cable
FIGURE 3
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Clamp