MerCruiser Bravo Sterndrives Service Manual #11 (1990-1998)

Official MerCruiser Bravo Service Manual 1990–1998

• Covers 1990–1998 MerCruiser Bravo sterndrive units including Bravo One, Bravo Two, and Bravo Three variants
• Official Mercury Marine publication P/N 90-17431-4, March 1998 edition
• Contains 596 pages of detailed component breakdown, removal, installation, and adjustment procedures
• Includes 124 exploded-view diagrams and specialized torque tables for transom and gear housing components
• Delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• This 1998 edition is the standard reference manual for all Bravo series sterndrive service, replacement, and system maintenance for the listed serial number ranges

Component and System Documentation

The 1990–1998 MerCruiser Bravo sterndrive service manual organizes technical content into major component groups for efficient retrieval. The document opens with critical general information, including maintenance schedules and troubleshooting charts. Section 3 covers specific drive shaft housing and gear housing data for Bravo One, Bravo Two, and Bravo Three models, detailing disassembly, inspection, and shimming procedures. Subsequent sections provide full coverage of transom assembly maintenance, power trim systems—including Oildyne trim pump repair—and advanced steering system calibration.

Technical Data and Service Highlights

This publication provides comprehensive data for shop-level service and periodic maintenance requirements. The document lists torque values for all primary fasteners, such as the 20–25 lb. ft. (27–34 N·m) requirement for transom assembly hardware. Fluid capacity tables include specific volume measurements for different gear lube monitor configurations. Essential reference values like the 3–5 lb. in. (0.3–0.8 N·m) bearing preload are documented to assist with precise gear housing assembly. Reference data for electrical system diagnostics includes power trim wiring diagrams for various configurations. Owners can find how factory workshop documentation is structured to facilitate accurate component alignment and system testing. An official 596-page Mercury Marine OEM workshop manual covering the 1990–1998 MerCruiser Bravo sterndrive line, documenting maintenance, installation, and major component service procedures across three primary drive variants.