1991 Sea-Doo 5804 SP, 5811 GT, 5850 XP Shop Manual (P/N 219100004)

• Covers the 1991 Sea-Doo 5804 SP, 5811 GT, and 5850 XP personal watercraft, featuring the Rotax 587 powerplant and total loss cooling system architecture
• Official Bombardier publication P/N 219 100 004, spanning 247 pages in PDF format
• Contains 47 exploded-view diagrams, 8 electrical schematic components, and extensive tolerance tables
• Details the original factory component configurations specifically for the Rotax 587 engine series
• Outlines bottom end overhauls, the rotary valve and reservoir, oil injection pump adjustments, electric starter servicing, CDI and charging systems, propulsion and drive systems, and reverse system mechanics
• Features a periodic inspection chart, comprehensive troubleshooting guides, wiring diagrams, off-season storage preparation, steering system verifications, hull and body maintenance, and water-flooded engine care

Component and System Documentation

This factory documentation breaks down the mechanical and electrical systems of the featured 1991 Sea-Doo models. It details the Rotax 587 engine block, including the water-flooded crankcase, top-end assembly, and magneto systems. You will also find exact component layouts for the fuel delivery system, carburetor operation, air intake, and the complete total loss cooling circuit. Instead of outsourcing specialized tasks, this manual outlines the step-by-step procedures for lucrative in-house repair work. You can efficiently recover a water-flooded engine, accurately align the engine to the jet pump, and synchronize the oil injection system without relying on an expensive dealer.

Having the manufacturer-specified fastener layouts and driveline diagrams directly on hand speeds up daily shop work. Technicians can quickly verify steering assemblies, hull structures, and drive components during tear-downs without second-guessing the original factory routing. The visual assembly references—such as cooling system circuit layouts, fuel circuit routing views, carburetor exploded views, crankshaft deflection charts, and ignition timing schematics—provide exactly what you need to identify correct parts and system requirements on the bench. By referencing these precise factory specifications right next to your tools, technicians can avoid trial-and-error parts swapping and significantly reduce turnaround times.

Specifications and Reference Values

Precise clearance data is critical for any serious engine overhaul. The text lists essential maintenance parameters like ring end gaps and cylinder taper limits. The Rotax 587 displacement is confirmed at 587 cc, backed by a required factory cylinder-to-piston clearance of 0.06 to 0.07 mm for new components. Rotary valve cover gaps are set strictly between 0.2 and 0.3 mm. Setting the ignition timing relies on standardized degree-wheel measurements and TDC gauge methods, which are fully documented here.

Working on high-compression marine engines involves inherent physical risks. Always follow proper workshop safety protocols and cross-reference these baseline values with the complete factory procedures before applying final torque, starting the engine, or modifying internal components.