Suzuki DF300 Training - 99954-10601-CBT. Official Suzuki Online Training for DF300 Outboards. The Suzuki DF300 Training - 99954-10601-CBT is a comprehensive computer-based training (CBT) program tailored for professionals and technicians working with Suzuki's DF300 outboard engines. Designed by Suzuki Marine, this digital course ensures you gain a thorough understanding of the DF300's systems, service procedures, and diagnostic protocols.. Key Features. Official OEM Training Resource - Developed