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Mercury 135 Optimax User Manual

Mercury 135 Optimax
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MAINTENANCE
36
WATER SEPARATING FUEL FILTER
NOTE: The warning system will turn on when water in the fuel filter reaches the full level. See Features
& Controls - Warning System.
The water separating fuel filter removes moisture and also debris from the fuel. If the filter becomes filled
with water, the water can be removed. If the filter becomes plugged with debris, the filter must be replaced
with a new filter.
28434
1. Remove and replace filter as follows:
a. Turn ignition key switch to "OFF" position.
b. Disconnect wire at bottom of filter.
c. Remove filter by turning the filter clockwise. Tip the filter to drain fluid in a suitable container.
d. Lubricate the sealing ring on the filter with oil. Thread on the filter and tighten securely by
hand. Reconnect the wire to the filter.
IMPORTANT: Visually inspect for fuel leakage from the filter by squeezing the primer bulb until firm,
forcing fuel into the filter.
Steering Link Rod Fasteners
IMPORTANT: The steering link rod that connects the steering cable to the engine must be fastened
using special washer head bolt ("a" - Part Number 10-849838) and self-locking nylon insert locknuts ("c"
& "d" - Part Number 11-826709113). These locknuts must never be replaced with common nuts (non-
locking) as they will work loose and vibrate off freeing the link rod to disengage.

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Mercury 135 Optimax Specifications

General IconGeneral
BrandMercury
Model135 Optimax
CategoryOutboard Motor
LanguageEnglish

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