42
SPEED CONTROL
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
When the governed speed is reached, the ground speed
governor in the rear axle assembly operates against the
accelerator cable/governor spring and closes the throttle
lever until the correct governed speed is achieved (Figure
1).
It is the force of the accelerator cable/governor compres-
sion spring in response to accelerator pedal and governor
lever position which controls the position of the throttle
plate.
The compression spring provides cushioning of sudden
changes in throttle linkage position to provide smooth
power transmission.
Driving above governed speed could cause a
loss of vehicle control and possible injury or
death.
Tampering with or adjusting the governor or other speed
control components will void the warranty.
FAULT TESTING
Erratic acceleration and performance that does not
include a notable increase in governed speed, can indi-
cate the need for a linkage adjustment.
Symptoms that include an increase in governed speed
indicate:
• A possible governor failure within the rear axle
• Worn components in the governor system
• Improper adjustment of linkage system
Other factors can affect the performance characteristics
of the vehicle but they must be investigated only after
you confirm the linkage adjustment.
SPEED CONTROL
Tool List Qty.
Phillips Screwdriver ..................................................... 1
Flat Blade Screwdriver ................................................ 1
Needle Nose Pliers......................................................1
Slip Joint Pliers ............................................................ 1
Open End Wrench, 10 mm ..........................................2
Ratchet ........................................................................ 1
Socket, 15 mm............................................................. 1
Torque Wrench, in. lbs. ............................................... 1
Torque Wrench, ft. lbs. ................................................ 1
Remove the negative (-) battery cable from the
battery to decrease the risk of the vehicle mov-
ing and the possible personal injury that may
result. Refer to SAFETY section for additional
cautions and warnings.
Be sure to follow the sequence indicated when making
linkage adjustments.
Throttle Rod Removal
To remove the throttle rod from the carburetor throttle
plate (Figure 2), twist the plastic connector (1) counter-
clockwise away from the throttle rod. Line up the slot with
the tabs on the rod. Remove the rod from the carburetor
throttle lever by lifting up (2).
Figure 2 Throttle Rod Adjustment
Throttle Rod Adjustment
To adjust the throttle rod (17), loosen the bolt (18)
between the two governor levers and turn lower governor
lever (19) to the left by 10° until the carburetor throttle
plate is fully open. Rotate upper governor lever (20)
counter-clockwise until it stops.
Figure 3 Throttle Rod Adjustment
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