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Mercury OptiMax 250 Service Manual

Mercury OptiMax 250
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INSTALLATION
90-888438 JUNE 2002 Page 1D-21
6. Adjust shift cable as follows:
a. Position the control box into forward position.
b. Position the reverse gate against the forward stop. With the reverse gate at this posi-
tion, adjust the cable barrel to fit into the barrel holder with slight tension of the re-
verse gate against the stop.
c. After adjusting the shift cable, secure the cable barrel in place with the shift cable
retainer. Fasten the retainer by tightening both locknuts.
IMPORTANT: The shift cable retainer must be fastened with self locking nylon insert
locknuts. These locknuts must never be replaced with common nuts (non locking)
as they could vibrate off, freeing the shift cable to disengage.
WARNING
Disengagement of the shift cable can result in the boat suddenly shifting into re-
verse. This unexpected action could cause occupants to be thrown forward in the
boat or to be ejected overboard. Serious injury or death could result.
c
d
e
a
b
a-Reverse Gate
b-Forward Stop
c-Cable Barrel
d-Locknuts
e-Shift Cable Retainer
7. Adjust the reverse stop (located on starboard side of the nozzle) so that the stop just
touches the reverse gate with the control handle in reverse position. Torque reverse stop
screw to 120 lb in. (14 Nm)
8. Check shift cable/reverse gate adjustment as follows:
a. Shift the control box a few times from the forward position to reverse position.
b. Return the control handle back to forward. Pull back on the reverse gate gently to
take slack out of the cable. Check for the 3/8 to 1/2 in. clearance space between the
reverse gate and rudder. If necessary, readjust the cable barrel.

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Mercury OptiMax 250 Specifications

General IconGeneral
Engine TypeV6
Horsepower250 hp
Gear Ratio1.75:1
Starting SystemElectric Start
Alternator60 Amp
Shaft Length20", 25"

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