To Next PageTo Next Page
Need help?Do you have a question about the Mercury 25 4-Stroke and is the answer not in the manual?
General| Engine Type | 4-Stroke |
|---|---|
| Horsepower | 25 hp |
| Cylinders | 2 |
| Fuel Induction System | Electronic Fuel Injection (EFI) |
| Full Throttle RPM Range | 5000-6000 RPM |
| Starting System | Electric |
| Steering | Remote or Tiller |
| Shaft Length | 15 in / 20 in |
| Dry Weight | 157 lbs |
| Fuel Tank Capacity | External |
| Oil Capacity | 1.5 L (with filter) |
Details the outboard motor's compliance with European directives and standards.
Covers transferring warranty and registration process in US/Canada and internationally.
Details 2-year European, 1-year CIS/ME/Africa, and 3-year corrosion limited warranties.
Lists common exclusions, disclaimers, and limitations applicable to all warranties.
Outlines operator duties, safety alerts, and checks before operating the outboard.
Covers horsepower limits, high-speed operation, remote controls, and lanyard stop switch.
Advises on protecting people, avoiding underwater hazards, and wave jumping.
Lists engine specifications and identifies key outboard components.
Provides instructions and warnings for correctly installing the outboard motor.
Guides on selecting a propeller to optimize performance based on RPM range.
Details trailering procedures for models with and without power trim.
Provides safety instructions for transporting portable fuel tanks.
Advises on gasoline types, octane ratings, and concerns with alcohol content.
Covers safe fuel tank filling and procedures for checking and adding engine oil.
Recommends specific SAE viscosity and API classifications for engine oil.
Identifies remote control functions and the outboard warning system.
Explains actions for engine overheat and low oil pressure warnings.
Details manual and power tilt, trim adjustments, and shallow water drive features.
Covers adjustments for steering friction, throttle grip, and trim tabs.
Lists essential checks, operating conditions, and initial steps before starting the engine.
Details engine break-in procedures and steps for starting with remote or tiller controls.
Covers gear shifting, engine shutdown, and emergency starting methods.
Emphasizes routine care, maintenance schedule, and using genuine replacement parts.
Details flushing cooling system, cowl removal, and fuel system inspection.
Covers steering link fasteners, corrosion anodes, and propeller replacement.
Guides on spark plugs, fuses, timing belt inspection, and lubrication points.
Details checking power trim fluid, changing engine oil, and gearcase lubrication.
Covers fuel system stabilization and protecting external/internal engine components.
Advises on gearcase preparation, storage position, and battery storage procedures.
Lists causes and solutions for starter issues and engines that won't start or run erratically.
Identifies causes for performance loss and battery not holding charge.
Guides on seeking local service, parts inquiries, and general assistance.
Provides contact information for Mercury Marine service offices in the US, Canada, and international locations.
