Operation overheating and serious damage could occur. Stop the engine and check wheth- er the cooling water inlet on the lower case or the cooling water pilot hole is blocked. Consult your Yamaha dealer if the problem cannot be located and cor- rected. ON START OFF ZMU03262 7. Immediately after the engine starts, re- lease the main switch and allow it to re- turn to “ ” (on). NOTICE: Never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to start the engine.
The starter can also be damaged. If the engine will not start after 5 seconds of cranking, return the main switch to ” (on), wait 10 seconds, then crank the engine again. [ECM00192] Check that no water leaks from the joints be- tween the exhaust cover, cylinder head, and body cylinder. ZMU03908 EMU27670 Warming up engine EMU27683 Choke start models After starting the engine, allow it to idle for 3 minutes to warm up. Failure to do so will shorten engine life. Gradually return the choke knob to its home position as the en- gine warms up. EMU36510 Checks after starting engine EMU36520 Cooling water Check for a steady flow of water from the cooling water pilot hole.
A continuous flow of water from the pilot hole shows that the wa- ter pump is pumping water through the cool- ing passages. If the cooling passages are frozen, it may take a while for water to start flowing out of the pilot hole. EMU36530 Checks after engine warm-up EMU36540 Shifting While tightly moored, and without applying throttle, confirm that the engine shifts smoothly into forward and reverse, and back to neutral. ECM01810 NOTICE EMU31721 Stop switches If water is not flowing out of the pilot hole at all times while the engine is running, Confirm that turning the main switch to the ” (off) position stops the engine. 45