Yamaha - Drive Sprocket Drivetrain Component 93834-14050-00. Overview. When a sprocket starts to wear, it doesn't take long before you feel it in the ride-rough engagement, noise, and uneven power delivery. I've swapped out plenty that didn't look terrible but were just worn enough to cause problems under load. The Yamaha Drive Sprocket 93834-14050-00 helps bring everything back to smooth, consistent operation. It's a simple replacement that keeps your drivetrain tight and dependable.. Key Features. • Precision Tooth Engagement - Ensures smooth chain contact and consistent power transfer.. • Yamaha Factory Fitment - Built to match original specs for proper alignment and performance.. • Supports Drivetrain Efficiency - Helps reduce wear and maintain smooth operation.. • Durable Metal Construction - Designed to handle friction, load, and long-term use.. • Direct Replacement Design - Installs easily using factory mounting hardware.. Engine & Boat Compatibility. The Yamaha Drive Sprocket 9