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Drive Belts on Harley Davidson

This Tech Tip comes from Precision Auto Body in Redding, CA.:
The technicians at Precision Auto Body report that after a time Harley drive belts begin to squeak. Apparently, this is associated with the hardening rubber.

They report that treating the belt with 303® Aerospace Protectant™ restores suppleness and quiets that annoying squeak. They also recommend treating the belt before beginning a long trip as a preventative measure.