Honda VFR800 Owner's Manual page 149

Painted Aluminum Wheel Maintenance
Aluminum may corrode from contact with
dirt, mud, or road salt. Clean the wheels
af ter riding through any of these
substances. Use a wet sponge and mild
detergent. Avoid stiff brushes, steel wool, or
cleaners containing abrasives or chemical
compounds.
After washing, rinse with plenty of water
and dry with a clean cloth.
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Classic Cycles Technical Resources
Exhaust Pipe and Muffler Maintenance
The exhaust pipe and muffler is stainless
steel but may become stained by mud or
dust.
To remove mud or dust, use a wet sponge
and a liquid kitchen abrasive, then rinse
well with clean water. Dry with chamois or a
soft towel.
If necessary, remove heat stains by using a
commercially available f ine texture
compound. Then rinse by the same manner
as removing mud or dust.