Yamato 302, Manual, Page: 7 / 30

M. For safety reasons, we suggest that the air idling screw be set all the way in and the
throttle stop backed-off completely so that the motor will not continue to run if the driv-
er is thrown out of the boat.
Figure 1 Figure 2
II - 3 If Hull Fails to plane
A. Stop motor after 30 seconds.
B. Check transom height and angle.
C. Check for foreign object around propeller and lower unit.
D. Check for damaged around / or wrong propeller.
E. Check motor. If motor lacks power, see trouble-shooting chart.
II - 4 Things to Observe and Adjust During Operation
A. Be sure timing lever (Magneto #1) is in full advanced position.
B. Open throttle for maximum power.
C. Adjust high speed main needle (Carb #16) for for maximum power.
D. Check water outlet. Be sure it is not steaming.
E. Check RPM (if tachometer is fitted). Do not exceed 8,000 rpm.
F. Listen for any unusual noise.
II - 5 How to Stop Motor
A. Release throttle lever.
B. If kill-switch is installed, use it to stop motor.
C. Alternate method of stopping motor is to shift timing lever toward the left (intake side).
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