200/225 OPTIMAX DTS
Page 2 / 42 90-10234050
Notice to Installer
This Product Requires Electronic Calibration Before Use.
Installation of this product will require electronic calibration. This calibration must not be
attempted by anyone other than the Original Equipment Manufacturer (OEM) or a
Mercury technician trained in Digital Throttle and Shift systems (DTS) at an authorized
Mercury dealership. Improper installation and calibration of the DTS product will result in
a system which is inoperable or unsafe for use.
Installation Information
Avoiding Loss of Throttle and Shift Control
WARNING
To avoid the possibility of serious injury or death from loss of boat control, do not splice
or probe into any wire insulation of the DTS system. Splicing or probing will damage
the wire insulation allowing water to enter the wiring. Water intrusion may lead to wiring
failure and loss of throttle and shift control.
Before Starting the Engine
CAUTION
Avoid engine damage. Prime the oil injection pump on new or rebuilt engines and after
maintenance is performed on the oiling system.
Refer to Priming the Oil Injection Pump for instructions.
Fuel Requirements
Do not use pre-mixed gas and oil in this engine. The engine automatically receives extra
oil during engine break-in. Use a fresh supply of the recommended gasoline during engine
break-in and after engine break-in.
Oil Recommendation
Recommended Oil OptiMax Oil or Premium Plus 2-Cycle TC-W3 Outboard Oil
OptiMax Oil or Premium Plus TC-W3 is a higher grade oil that provides increased
lubrication and extra resistance to carbon buildup when used with good or varying grades
of gasoline.
IMPORTANT: Oil must be NMMA certified TC-W3 2-Cycle oil.
Periodically consult with your dealer to get the latest gasoline and oil recommendations.
If Mercury Precision or Quicksilver 2-Cycle Outboard Oil is not available, substitute
another brand of 2-Cycle outboard oil that is NMMA Certified TC-W3. The use of an
inferior 2-Cycle outboard oil can reduce engine durability. Damage from use of inferior oil
may not be covered under the limited warranty.
Avoiding Fuel Flow Restriction
IMPORTANT: Adding components to the fuel supply system (filters, valves, fittings, etc.)
may restrict the fuel flow. This may cause engine stalling at low speed, and/or a lean fuel
condition at high RPM that could cause engine damage.
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