Honda NX500 Owner's Manual page 71

Lubrication and cleaning:
Lubricate every 1,000 km (600 miles) or
sooner if chain appears dry .
The 0-rings in this chain can be damaged
by steam cleaning, high pressure washers ,
and certain solvents. Clean the chain with
high flash-point solvent, such as paraffin .
Wipe dry and lubricate only with SAE 80
or
90
gear oil. Commercial chain lubri-
cants may contain solvents which could
damage the rubber 0-rings.
Replacement Chain :
RK520SMO , D1D520V6
CAUTION:
• The drive chain on this motorcy-
cle is equipped with small 0-rings
between the link plates. These 0-
rings retain grease inside the
chain to improve its service life.
However, special precautions
must be taken when adjusting,
lubricating, washing, and
replacing the chain.
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