90-856159 Service Manual – Mariner/Mercury 15HP 4-Stroke (1997)

The Mariner/Mercury 15HP Service Manual (part number 90-856159) is the factory reference for maintaining and repairing 4-stroke outboards with serial numbers starting at 0G590000. Published by Mercury Marine in December 1997, it gives technicians clear, model-specific guidance.

Every chapter covers a critical system: powerhead, ignition, cooling, lubrication, carburetion, and lower unit. Diagrams label each part and match them to service specifications. Easy-to-follow procedures explain how to complete common jobs such as carburetor cleaning, valve servicing, fuel pump checks, and gearcase work. You can quickly identify issues using troubleshooting charts and repair them to factory standard.

This manual keeps your repairs accurate and avoids costly mistakes. Its heavy-duty paper stands up to grease, oil, and workshop use. Whether you’re a mechanic or hands-on owner, you’ll work faster and with greater confidence.

Arizona Outboard Dismantlers stocks only genuine factory manuals like Mariner/Mercury 15HP Service Manual to help you protect your investment and enjoy reliable performance season after season.