Quicksilver OEM MerCruiser Bellows Adhesive 86166Q-1 This adhesive is used to securely seal the universal and exhaust bellows on a MerCruiser drive. Adhesive Instructions It is important to properly prepare the surface by removing all loose dust, dirt, oil, grease, wax, etc For best results the temperature should be 65 or higher during application Brush or flow an even thin coat to both surface. Allow the adhesive to dry until tacky then join the surfaces with firm pressure It can take up to 15