2002 Mercury 150 EFI / 175 EFI / 200 EFI Outboard Service Manual

2002 Mercury 150/175/200 EFI Service Manual Coverage

• Built for owners and professional workshops servicing the 2002 Mercury 150 EFI, 175 EFI, and 200 EFI outboard engines, covering standard and X-long shaft variants starting at S/N 0T409000.
• Official Mercury Marine service publication 90-883728, dated July 2001.
• Contains 631 pages of detailed technical reference, including fuel injection diagnostic flow charts, wiring schematics, and exploded-view component identification.
• Stored against your account so you can retrieve it after a hard-drive loss.
• OCR text layer lets you jump to a torque spec by keyword.
• This 2002 first edition is the factory-authorized reference for the EFI V-6 powerhead, detailing the transition to the electronic fuel management systems used on the 150, 175, and 200 HP platforms.

Technical Scope and Documentation

This 631-page factory workshop manual provides comprehensive service data for the 2002 Mercury 150 EFI, 175 EFI, and 200 EFI outboard motors, encompassing everything from basic maintenance routines to complex electronic fuel injection system diagnostics. The document details the internal operation of the V-6 powerhead, providing specifications for compression, piston tolerances, and spark plug requirements, while also covering the mid-section, gear housing, and the trim/tilt systems. It also includes instructions for properly identifying and ordering the correct Mercury or Quicksilver lubricants and sealants required for various service procedures.

Specification Highlights and Technical Preview

Engine cooling system maintenance is documented extensively, with thermostat specifications listed at 143°F (61.7°C). The ignition system, which utilizes digital inductive components, is mapped out in the wiring diagrams and electrical testing sections. Valve clearance or piston ring wear limits are provided alongside standard component data. Fuel system pressure is documented at 41–45 psi (283–310 kPa) in the injection system data table. Spark plug gap is specified at 0.040 in. (1.0 mm) in the engine specification chart. The manual provides gear case lubricant capacity at 22.5 fl. oz. (665.4 ml). An official 631-page Mercury Marine OEM workshop manual covering the 2002 150 EFI, 175 EFI, and 200 EFI outboard range, documenting fuel system, ignition, electrical, and powerhead service specifications for the 0T409000 and higher serial number series.