Pre-Operation Checks - Yamaha Z250D Owner's Manual

3-6
2) Next 50 minutes:
Do not exceed half throttle (approxi-
mately 3,000 r/min). Vary engine speed
occasionally. If you have an easy-plan-
ing boat, accelerate at full throttle onto
plane, then immediately reduce the
throttle to 3,000 r/min or less.
3) Second hour:
Accelerate at full throttle onto plane,
then reduce engine speed to three-
quarter throttle (approximately 4,000
r/min). Vary engine speed occasionally.
Run at full throttle for one minute, then
allow about 10 minutes of operation at
three-quarter throttle or less to let the
engine cool.
4) Third through tenth hours:
Avoid operating at full throttle for more
than 5 minutes at a time. Let the engine
cool between full-throttle runs. Vary
engine speed occasionally.
5) After the first 10 hours:
Operate the engine normally.
EMU00204

PRE-OPERATION CHECKS

w
If any item in the pre-operation check is
not working properly, have it inspected
and repaired before operating the out-
board motor. Otherwise, an accident
could occur.
cC
Do not start the engine out of water.
Overheating and serious engine damage
can occur.
E