Honda ARX1500T3DX Owner's Manual page 120

Navigation Rules
Meeting: If you are approaching another
vessel head-on and are close enough to risk
collision, neither of you has the right-of-way.
Both of you should change course to avoid a
collision. Keep the other vessel to your left
(port) side. This rule does not apply if you
will be clear of one another if you continue
on your set course and spee
112
Basic Operation & Riding
d.
Crossing: If you and another vessel are
crossing paths close enough to risk collision,
and the other vessel is on your right
(starboard), you should yield or stay out of
the way. If the other vessel is on your left
(port) side, you must maintain your course
and speed, as long as the other vessel gives
you the right-of-way as it should.