Yamaha - Drive Sprocket Drivetrain Component 93811-14033-00. Overview. When a sprocket starts to wear, you'll feel it before you even see it-rough engagement, extra noise, and power not transferring like it should. I've replaced plenty that looked decent but were just worn enough to cause problems. The Yamaha Drive Sprocket 93811-14033-00 brings things back to smooth, consistent operation. It's one of those parts that keeps your drivetrain tight and dependable every time you put it to work.. Key Features. • Precision Tooth Engagement - Ensures smooth interaction with the chain for consistent power transfer.. • Yamaha Engineered Fit - Designed to match original specifications and alignment points.. • Supports Drivetrain Efficiency - Helps maintain proper performance and reduces unnecessary wear.. • Durable Metal Construction - Built to handle load, friction, and continuous use.. • Direct Replacement Design - Installs easily with standard tools and factory hardware.. Engine & Boat Compat