3-16GB309012EMG00010WARMING UP ENGINE1) Before beginning operation, allow theengine to warm up at idling speed for3 minutes. (Failure to do this willshorten engine life.)2) Check for a steady flow of water fromthe cooling-water pilot hole.cCA continuous flow of water from the pilothole shows that the water pump ispumping water through the cooling pas-sages. If water is not flowing out of thepilot hole at all times while the engine isrunning, do not continue to run theengine. Overheating and serious damagecould occur. Stop the engine and checkto see if the water inlet on the lower cas-ing is blocked. If the problem cannot befound and corrected, consult your Yama-ha dealer.