1998-1999 Mercury Mariner 135/150 Optimax DFI Service Manual

Complete service documentation for Mercury Mariner 135/150 Optimax DFI, covering engine, fuel, electrical, and charging systems. PN 90-855347R1

4.5starstarstarstarstar_half(2)
visibility Preview Available
Mercury 1998-1999 Mercury Mariner 135/150 Optimax DFI Service Manual manual page preview - page 1 of

Sample pages from the 1998-1999 Mercury Mariner 135/150 Optimax DFI Service Manual manual

Mercury 1998-1999 Mercury Mariner 135/150 Optimax DFI Service Manual manual preview page 1 - thumbnail
Mercury 1998-1999 Mercury Mariner 135/150 Optimax DFI Service Manual manual preview page 4 - thumbnail
Mercury 1998-1999 Mercury Mariner 135/150 Optimax DFI Service Manual manual preview page 5 - thumbnail
info_outline Click thumbnails to preview different pages

Purchase & Download

$15.35 (incl. VAT) Instant Download / No Shipping Fees
1 sold in the last 30 days
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal

Document Details

keyboard_arrow_down
Document Number / Seller:
25411 / Mary Bell
File Size:
16.36 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Jan 13, 2025

Models Covered & Key Technical Specifications

Mercury Mariner 135/150 Optimax DFI (OG590000+) — 1998–1999 Precision Engineering Catalog | 135/150 Optimax Collection.

  • Factory Tension Specs: The spark plug gap setting of 0.040 in. (1.0 mm) is rated at the factory ignition configuration Standards.
  • Essential Running Clearance: Cylinder head bolts require 30 lb. ft. (41 N·m) with an additional 90° turn establishes proper clamping pressure Matrix.
  • Key Displacement Data: Engine displacement reaches 153 cu. in. (2508 cc) at 60° Vee architecture, providing core combustion capacity Norms.
  • Verified Circuit Specs: The fuel pressure differential between rail systems specifies 10 psi (68.5 kPa) supports accurate direct injection Protocol.
  • Designated RPM Specs: Full throttle RPM range achieves 5000–5600 rpm, with idle speed calibrated to 550 ± 25 rpm governs operational envelope Architecture.
  • Approved Fastening Values: Connecting rod bolts require initial torque to 15 lb. in. (1.7 N·m), then 30 lb. ft. (41 N·m) with additional 90° rotation ensures secure assembly Norms.

Professional Workshop Service Manual & Technical Specifications

Factory-Level Troubleshooting Calibration Manual: Outboard Motor 1998-1999 Mercury Mariner 135/150 Optimax Service Manual Manual-Nexus

Diagnostic-Area: Mercury Mariner 135/150 Optimax DFI (OG590000+) — 1998–1999 // Performance-Values: Outboard Motor / DFI Logic // Diagnostic-Area: Complete coverage and detailed diagrams.

Service-Nexus Technical-Path Logic
Specifications General Information Electrical
Maintenance Fuel System Powerhead
Ignition System Mid-Section Gear Housing
Attachments/Control Linkage Testing Procedures Wiring Diagrams

Service procedures are grouped by system, covering engine diagnostics, electrical systems, fuel delivery, powerhead maintenance, and troubleshooting.

Repair information is provided for the complete overhaul of the powerhead, including detailed procedures for component replacement and system diagnostics.

The document includes coverage of the complete electrical system, from ignition components to the charging system, with diagrams and testing procedures.

Brake system specifications are included for ignition coils, fuel injectors, and the fuel pump, ensuring proper operation.

Safety procedures are documented for all maintenance and repair operations, emphasizing safe workshop practices and tool usage.

Verification procedures are included for all critical systems, ensuring proper calibration and function after repairs.

FAQ

Confirm the **recommended** diagnostic procedures for troubleshooting engine misfires? keyboard_arrow_down

110 psi is the minimum cylinder compression required, with no more than 15 psi variation between cylinders for optimal engine performance.

What tools are **calibrated** for fluid capacity requirements? keyboard_arrow_down

22.5 fl. oz. (665ml) of gear case lubricant is specified for all gear ratios (1.87:1, 2.00:1, 2.30:1).

Identify the **applicable** component identification for ignition timing? keyboard_arrow_down

0.040 in. (1.0 mm) is the specified spark plug gap for both Light Duty and Heavy Duty spark plug types.

Customer Reviews

Read what our customers say about this Mercury Outboard Motor manual and share your own experience.

Add a Review

* Required information
1000
Captcha Image

Reviews (2)

Avatar
New
Rated 4 out of 5 stars
Avatar
New
This manual is a must-have for anyone working on Mercury outboards. The step-by-step procedures are clear and easy to follow. The download process was seamless, and I received my link almost immediately after purchase. Highly recommend!