Yamaha WaveRunner GP1800 2017 Owner's/Operator's Manual page 90

Maintenance
(3) Lift up the engine cover to remove it.
1 Engine cover
To install the engine cover:
(1) Place the engine cover in its original po-
sition, and then push it down.
(2) Install the engine cover screws, and then
tighten them to the specified torque.
Tightening torque:
Engine cover screw:
4.5 N·m (0.46 kgf·m, 3.3 lb·ft)
(3) Securely install the seats in their original
positions.
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