Need help?Do you have a question about the Evinrude 25 HP and is the answer not in the manual?
Details engine specifications including model, bore, stroke, displacement, and fuel capacity.
Highlights safety symbols and the importance of understanding warnings for accident prevention.
Defines the operator's responsibility for safe boat operation and passenger safety.
Steps for securely mounting the outboard motor onto the boat's transom.
Details for installing electrical components, including battery requirements and connections.
Specifications for a suitable 12-volt battery and its secure installation.
Information on installing optional remote control systems for throttle and shift.
Recommendations for remote steering installation and potential interference issues.
Guidance on adjusting the motor's vertical angle for optimal boat performance.
Instructions for the initial operation period to properly break in the new engine.
Step-by-step guide for starting the motor using the manual pull-start.
Instructions on how to shift between forward, neutral, and reverse gears.
Safety precautions and steps for emergency starting procedures.
A diagnostic chart to help identify and resolve common motor starting and running issues.
Instructions for handling motors that have been submerged in water.
Immediate servicing steps for a motor dropped overboard while not running.
Actions to take if a motor is dropped overboard while it is running.
Specific procedures for motors submerged in salt water.
Guidance for motors submerged for extended periods, requiring immediate service.
Outlines the terms and conditions of the Evinrude outboard motor warranty.
Information on how to obtain warranty service from authorized dealers.
Details engine specifications including model, bore, stroke, displacement, and fuel capacity.
Highlights safety symbols and the importance of understanding warnings for accident prevention.
Defines the operator's responsibility for safe boat operation and passenger safety.
Steps for securely mounting the outboard motor onto the boat's transom.
Details for installing electrical components, including battery requirements and connections.
Specifications for a suitable 12-volt battery and its secure installation.
Information on installing optional remote control systems for throttle and shift.
Recommendations for remote steering installation and potential interference issues.
Guidance on adjusting the motor's vertical angle for optimal boat performance.
Instructions for the initial operation period to properly break in the new engine.
Step-by-step guide for starting the motor using the manual pull-start.
Instructions on how to shift between forward, neutral, and reverse gears.
Safety precautions and steps for emergency starting procedures.
A diagnostic chart to help identify and resolve common motor starting and running issues.
Instructions for handling motors that have been submerged in water.
Immediate servicing steps for a motor dropped overboard while not running.
Actions to take if a motor is dropped overboard while it is running.
Specific procedures for motors submerged in salt water.
Guidance for motors submerged for extended periods, requiring immediate service.
Outlines the terms and conditions of the Evinrude outboard motor warranty.
Information on how to obtain warranty service from authorized dealers.
This document is an owner's and operator's manual for an Evinrude outboard motor, specifically a 25 HP model from 1976. It provides comprehensive information on the motor's features, installation, operation, maintenance, and safety guidelines. The manual emphasizes the quality and dependability of Evinrude outboards, highlighting their long-standing reputation since 1909 and continuous innovation in features.
The Evinrude outboard motor is designed to propel boats through water, offering a reliable and efficient means of marine transportation. It is a two-cycle engine that requires a specific lubricant mixed with gasoline for proper operation. The motor's design incorporates features for both manual and electric starting, allowing for flexibility in operation. It includes a gear shift mechanism for forward, neutral, and reverse operation, and a throttle grip for speed control. The cooling system, utilizing a water pump, ensures the engine maintains optimal operating temperatures, contributing to its longevity and efficiency. The propeller, a key component, is designed with a shock absorber in its hub to minimize damage from underwater obstructions and can be easily replaced if a drive pin shears.
The manual details various usage features to ensure safe and effective operation. For starting, the fuel tank must be securely placed, and the fuel line properly connected and primed. Manual starting involves pulling the choke knob (for cold motors) and then forcibly pulling the starter handle. Electric starting, if equipped, uses a key switch. A crucial safety feature is the neutral lockout, which prevents the motor from starting while in gear. The throttle grip controls speed, with specific positions for "SHIFT," "START," "SLOW," and "FAST." Shifting between forward, neutral, and reverse requires retarding the throttle to the "SHIFT" position before quickly moving the shift lever.
The motor includes a reverse lock lever, which should be in the "LOCK" position during normal operation. This lock releases automatically if the propeller strikes an underwater object while traveling forward at moderate speeds. For shallow water operation or tilting the motor, the reverse lock should be in the "RELEASE" position to allow the motor to "kick-up" more easily. The motor's angle can be adjusted using a tilt adjusting rod to optimize performance based on transom angle and boat loading. Proper boat trim, achieved by distributing passengers and equipment evenly, is also essential for best performance. The manual provides guidance on operating in various conditions, including weedy water, salt water, and freezing weather, with specific recommendations to prevent damage and ensure safety. For trailering, the motor should be in its normal operating position, with additional road clearance obtainable by adjusting the angle adjusting rod.
Maintenance is thoroughly covered to ensure the motor's longevity and optimal performance. Key maintenance aspects include proper fuel and lubricant mixing, spark plug inspection and replacement, gearcase lubrication, and general cleaning. The manual stresses the importance of using Evinrude Lubricant (BIA certified for TC-W service) and gasoline with specific minimum octane numbers. It provides detailed instructions for mixing fuel for both portable and built-in tanks, emphasizing safety precautions like refueling in well-ventilated areas and avoiding open flames.
The break-in procedure for new motors is outlined, with specific instructions for the first two hours of operation to ensure proper engine conditioning. Regular checks of the cooling system are recommended during break-in. For spark plugs, the manual specifies the correct type, gap, and torque for installation, warning against overtightening. Gearcase lubrication involves draining and refilling with OMC Sea-Lube Premium Blend Gearcase Lube, with recommended frequencies for fresh and salt water use.
The manual also includes a "Trouble Check Chart" to assist operators in diagnosing common issues like the motor not starting, idling improperly, losing power, or vibrating excessively. It provides steps for checking various components such as the throttle position, fuel supply, spark plugs, and propeller. For anti-corrosion protection, especially in salt water, rinsing the motor exterior with fresh water and wiping it with an oiled rag is advised, and accessory kits for additional protection are available. The manual also provides instructions for dealing with a submerged motor, differentiating between running and not running scenarios, and prolonged submersion in fresh or salt water. It recommends a "20 Hour Check" by an authorized Evinrude dealer for minor inspection and adjustment after initial break-in, and emphasizes the use of genuine OMC parts for replacements to ensure safety and maintain motor integrity.
General| Full Throttle RPM Range | 5000-6000 RPM |
|---|---|
| Fuel Induction | Carbureted |
| Starting System | Manual or Electric |
| Gear Ratio | 2.15:1 |
| Steering | Tiller |
| Shaft Length | 15, 20 in. |
| Horsepower | 25 HP |
| Engine Type | 2-cylinder |
| Fuel Type | Gasoline |
To Next Page