Ducati Sporting Club UK > Model Specific - Discussion, Technical Problems and Help > General Motorcycles only > chain maintanance

[Shazaam!]

Motorcycle chains use Buna-N (Nitrile) rubber for their o-rings and x-rings. The manufacturers recommend kerosene as a cleaner.

Here's the formulation of WD-40:

80% Stoddard Solvent (that is similar to kerosene)
20% light lubricating oil, and a bit of fragrance.

Here's the compatibility of Stoddard Solvent with rubbers and plastics:

http://www.efunda.com/designstandard...dard%20Solvent

[Edited on 12-30-2004 by Shazaam!]