Yamaha Motor Co., Ltd. 826-17682-40-00 Chain Drive Sprocket

The Yamaha 826-17682-40-00 Chain Drive Sprocket is a genuine Yamaha replacement component designed to transfer rotational force from the drive chain to the track-drive assembly in snowmobile chaincase systems. Constructed from hardened steel, this toothed sprocket provides reliable chain engagement and wear resistance for long-term drivetrain performance. It is used in Yamaha snowmobile drivetrain systems where torque transfer and precise chain alignment are critical for track propulsion, and it is commonly found in vintage Yamaha models requiring proper power delivery under cold-weather conditions. Fitment is model-specific, and mounting occurs within the chaincase/drivetrain assembly to ensure correct spacing and engagement with the drive chain. Available in OEM new, NOS, or used variants, it represents a genuine Yamaha replacement component for restoration or repair projects. Relevant replacement peers include Yamaha 810-17682-00-00, Yamaha 853-17682-10-00, and 8FA-17682-40-00, which share the same application in Yamaha chaincase drive systems.