2001-2010 Mercury 115 EFI 4-Stroke Outboard Motor Service Manual

2001–2010 Mercury 115 EFI 4-Stroke Outboard Manual

• Covers the 2001–2010 Mercury 115 EFI 4-stroke outboard motor, starting at serial number 0T178500
• Official Mercury Marine publication P/N 90-881980R1, dated November 2001
• Contains 527 pages of detailed technical specifications, wiring diagrams, and exploded-view component illustrations
• Files are optimized for standard letter and A4 printing
• OCR text layer lets you jump to a torque spec or diagnostic chapter by keyword
• Includes comprehensive maintenance intervals, lubrication points, and fuel system stabilization instructions
• This 2001–2010 edition serves as the foundational technical record for the 115 FourStroke EFI launch series, documenting all original factory settings and part requirements.

Technical Scope and Content

This factory service publication provides technical data for the Mercury 115 EFI 4-stroke outboard platform. The contents span the entire engine system, beginning with essential safety precautions, maintenance schedules, and installation requirements for single and dual engine configurations. The chapters detail the electrical ignition system, fuel injection operations, and diagnostic troubleshooting. Additional sections provide procedures for the powerhead, mid-section, lower unit gear housing, and control linkage.

Specification and Reference Values

The manual documents precise engineering data for critical engine components. Cylinder head bolt torque is specified at 28 Nm for the M8 and 30 Nm for the M10 screws. Intake valve clearance for the engine is listed at 0.17–0.23 mm in the valve specification table. Coolant system capacity is documented by the thermostat opening temperature at 50°C. Data covers timing parameters, stator coil resistance, and sensor voltages to assist with engine synchronization and adjustment. The document includes detailed exploded-view schematics for the ignition, fuel, and charging systems, alongside charts for propeller selection based on boat weight and speed. Reference what factory workshop documentation is structured for additional insight into marine engine service. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This 527-page Mercury Marine OEM workshop manual provides comprehensive specifications for the 2001–2010 115 EFI 4-stroke outboard, documenting electrical, fuel, and mechanical systems for the documented serial number range.