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1. Remove the servomotor cable holder.
2. Rotate the servomotor actuator
counterclockwise to loosen the
cable; then pull the cable housings
up and out of the servomotor.
CAUTION
Do not use the nut securing the
clutch to the servomotor to rotate the
actuator.
NOTE: For installing purposes,
note the side that the servomotor
cables are installed on.
3. Slide each cable drum out of the slot
of the servomotor actuator.
4. While holding the cable housing
firmly, pull the cable as far out as it
will go; then release. Repeat three to
four times. The cable/exhaust valve
should move freely without binding.
NOTE: If the cable/exhaust valve
does not move freely, the exhaust valve
assembly will need to be removed for
further inspection. Take the snowmo-
bile to an authorized Yamaha Snowmo-
bile dealer for this service.
NOTE: When measuring the cables,
they are to be routed as close to their
installed position as possible.
5. While holding the cable housing,
lightly pull on one cable end to remove
any slack; then measure the amount of
exposed cable from the cable housing
to the end of the cable (cable drum).
0752-970
NOTE: The two cable measure-
ments must be equal in length or
less than 0.5 mm (0.020 in.) differ-
ence in length from each other.
0752-969
NOTE: Repeat steps 4 and 5 for each
cable; then compare the measure-
ments to the Exhaust Power Valve
Cable Length chart.
NOTE: The measurements must be
within the specifications from the
chart. If the measurements are within
specifications, no adjustment is nec-
essary (proceed to step 8). If they are
not within specifications, proceed to
step 6.
6. Loosen the jam nut on the cable to
be adjusted; then using the adjusting
nuts, lengthen or shorten the housing
as needed.
7. Once the proper length has been
attained, hold the adjusting nut in place
and tighten the jam nut securely.
8. Place the cable housings into posi-
tion in the servomotor. Secure the
cable housings with the cable holder.
Ensure the cables are rotated and
secured properly to avoid contacting
exhaust components.
CABLE LENGTH
36.5 mm ± 1 mm
CAUTION
0735-516
27
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