Honda NRX1800 2004 Owner's Manual page 57

Load Limits & Guidelines
To prevent loose items from creating a
hazard, make sure that all cargo is tied
down securely before you ride.
Place cargo weight as low and close to
the center of your motorcycle as
possible.
Balance cargo weight evenly on both
sides.
Do not attach large or heavy items (such
as a sleeping bag or tent) to the
handlebar, forks, or fender.
Never exceed the maximum weight
limit.
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Before Riding