Yamaha XZ550RJ 1982 Owner's Manual page 183

Cable inspection and lubrication
WARNING:
Damage to the outer housing of the
various cables, may cause corrosion and
often free movement will be obstructed.
An unsafe condition may result so
replace such cables as soon as possible.
Lubricate the inner cable and cable end. If
they do not operate smoothly, ask your
Yamaha dealer to replace them.
Recommended lubricant:
SAE 10W 30 motor oil
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