Yamaha VZ150D Owner's Manual page 72

Trouble Recovery
3. Drain the fuel from the vapor separator,
fuel filter, and fuel line.
4. Spray "Fogging Oil" or supply engine oil
through the intake manifold and spark
plug holes while rotating the flywheel
manually.
5. Take the outboard motor to a Yamaha
dealer as soon as possible.
ECM00400
CAUTION:
Do not attempt to run the outboard motor
until it has been completely inspected.
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ZMU01910
ZMU01911