Yamaha Motor Co., Ltd. 888-47541-00-00 Chain Housing

The Yamaha 888-47541-00-00 Chain Housing is a drivetrain enclosure that protects and houses the chain drive assembly within snowmobile chaincase and track drive systems. Used on Yamaha snowmobiles such as the EX440 and similar models, this OEM chain housing maintains gear alignment and shields the chain, sprockets, bearings, and seals from debris and moisture to support reliable operation in harsh winter conditions. The housing is a cast or machined metal enclosure designed for installation in the chaincase/drivetrain assembly, and common replacements include Yamaha 8FA-47541-00-00, 8GS-47541-00-00, and 874-47541-00-00, reflecting its role as a genuine Yamaha replacement component with limited stock availability.