This page provides comprehensive gearcase diagrams for Mercury & Mariner 3-cylinder 2-stroke outboard engines, including models ranging from 40 to 60 HP, produced from 1991 to 2010.

Key Features:

• Clear, labeled diagrams facilitating parts identification and ordering.
• Covers essential gearcase components such as housings, gears, bearings, seals, shafts, and prop components.
• Suitable for marine technicians, DIY mechanics, and restoration hobbyists.

User Benefits:

• Enables fast identification of needed parts for maintenance or repair.
• Supports pinpoint accuracy in ordering OEM or aftermarket replacements.
• Helps minimize downtime with clear visual guides underpinned by trusted marine industry specifications