Yamaha - Drive Sprocket Drivetrain Component 93834-16100-00. Overview. A worn sprocket doesn't always look bad right away, but you'll feel it when the drivetrain starts getting noisy or inconsistent. I've worked on plenty of setups where swapping the sprocket brought everything back to smooth operation. The Yamaha Drive Sprocket 93834-16100-00 helps restore proper engagement and keeps power transferring clean through the system. It's one of those parts that keeps things running tight and dependable.. Key Features. • Precision Tooth Engagement - Ensures smooth interaction with the chain for consistent performance.. • Yamaha Factory Fitment - Built to match original specifications and alignment.. • Supports Drivetrain Efficiency - Helps maintain proper power transfer and reduce wear.. • Durable Metal Construction - Designed to handle load, friction, and continuous use.. • Direct Replacement Component - Installs easily using standard tools and hardware.. Engine & Boat Compatibility. The Y