Blog | Oil Information & More

The Complete Schaeffer's Oil Guide for Harley-Davidson Motorcycles Whether you ride a classic Panhead or a modern Twin Cam, using the right oil in your engine, transmission, and primary is essential to keeping your Harley running strong. Schaeffer's premium lubricants are formulated to meet the unique demands of V-twin engines — and this guide makes it easy to find the right product for your application. Always consult your owner's manual and follow OEM recommendations before mak …