Here is the rear motor mount with Loctite Polyurethane PL Window, Door and Siding Sealant from Home Depot. I found a post in a Honda-Tech thread that a guy tried it and liked it’s vibration isolation characteristics better than the 3M Window Weld Urethane. The bridge added to the top section should really help the clutch chattering when in reverse. I made the repair late at night. Too late to notice that the urethane was white instead of black. Gray is the closest color they offer to black.