1987 Evinrude 4 HP Outboard Motor Manual

The 1987 Evinrude 4 HP Outboard Motor is a lightweight, single-cylinder, two-stroke engine designed for small boats, dinghies, and fishing applications. Features include manual start with recoil system, 360-degree steering, shallow water drive, adjustable trim, and corrosion-resistant components. Below are key sections for safety, specifications, operation, maintenance, troubleshooting, and storage procedures.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Operation 6. Fuel System 7. Maintenance Schedule 8. Winter Storage 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Single-cylinder two-stroke engine, manual recoil starter, tiller handle with throttle control, shallow water drive, adjustable trim pin, corrosion-resistant aluminum alloy construction.

Feature	Description
Manual recoil starter	Easy pull-start system with emergency stop lanyard
Tiller handle	Integrated throttle control and steering
Shallow water drive	Allows tilting for operation in shallow conditions
Adjustable trim pin	Multiple positions for optimal boat trim
360-degree steering	Full rotation capability for maneuverability
Fuel tank	Integrated 0.9 gallon (3.4L) tank
Propeller	3-blade aluminum propeller
Gear shift	Forward-Neutral gear selection
Choke control	Manual choke for cold starting
Spark plug	Champion UL18J or equivalent

Installation

Mount motor on transom and secure properly.

Select transom location: Center of transom, ensure proper height (anti-ventilation plate level with boat bottom).
Mount motor: Place on transom, tighten clamp screws securely.
Connect fuel: Fill integrated tank with proper fuel/oil mixture.
Connect safety lanyard: Attach to operator's wrist or clothing.

WARNING! Ensure transom is strong enough to support motor weight. Always use safety lanyard.

First-Time Setup

Prepare motor for initial operation.

Fuel mixture: Prepare 50:1 fuel/oil ratio (87 octane gasoline with TC-W3 outboard oil).
Priming: Squeeze primer bulb until firm.
Choke setting: Set choke to full position for cold starts.
Gear selection: Ensure in Neutral position before starting.
Starting procedure: Pull starter rope smoothly until engine starts.

CAUTION! Operate in well-ventilated area. Keep away from sparks or flames.

Specifications

Horsepower: 4 HP at 4500 RPM
Cylinders: Single cylinder two-stroke
Displacement: 5.2 cubic inches (85cc)
Fuel System: Integrated 0.9 gallon (3.4L) tank
Fuel/Oil Ratio: 50:1 (TC-W3 outboard oil)
Gear Ratio: 14:27 (1.93:1)
Propeller: 3-blade aluminum, 7-1/4" diameter
Weight: 37 lbs (16.8 kg)
Shaft Length: 15 inches
Starting System: Manual recoil

Controls and Operation

Tiller handle controls: Throttle, gear shift, choke, stop button.

Starting Procedure: Set choke, ensure neutral, pull starter rope. Stopping: Push stop button or remove lanyard. Steering: Rotate tiller handle. Trim Adjustment: Use trim pin in different holes. Shallow Water: Tilt motor upward using tilt lock.

Throttle: Twist grip control for RPM adjustment. Gear Shift: Forward-Neutral positions. Choke: Manual lever for cold starts. Stop Button: Emergency engine stop.

Fuel System

Integrated fuel tank with fuel line and primer bulb.

Fuel mixture: Always use 50:1 ratio with TC-W3 outboard oil.
Priming: Squeeze bulb until firm before starting.
Fuel cap: Ensure tight seal to prevent leaks.
Storage: Use fuel stabilizer for periods of inactivity.

Tip: Use fresh fuel and clean oil for optimal performance.

Maintenance Schedule

Regular maintenance ensures long engine life.

After each use: Flush with fresh water if used in saltwater.
Every 100 hours: Replace spark plug, check propeller.
Annual: Change gearcase lubricant, inspect water pump.
Fuel system: Clean fuel filter, inspect fuel lines.
Storage: Prepare for winter storage if not used seasonally.

WARNING! Disconnect spark plug wire before maintenance. Use only marine-grade lubricants.

Winter Storage

Proper storage prevents corrosion and fuel system issues.

Fuel stabilization: Add stabilizer to fuel, run engine for 5 minutes.
Drain carburetor: Run engine until fuel system is empty.
Fogging oil: Spray into carburetor while running, then stop engine.
Gearcase oil: Change lubricant before storage.
Storage position: Store upright in dry, covered location.

Care & Cleaning

Rinse with fresh water after saltwater use. Use mild soap for cleaning. Lubricate pivot points annually.

CAUTION! Do not use high-pressure spray near seals. Avoid petroleum-based cleaners on rubber components.

Regulatory Information

EPA certified for emissions compliance. US Coast Guard safety standards. Manufactured by Outboard Marine Corporation. For technical support, contact Evinrude Customer Service at 1-800-XXX-XXXX or visit www.evinrude.com. Replacement parts available through authorized dealers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel, spark, or compression	Check fuel mixture, spark plug, compression; ensure choke set properly.
Engine runs rough	Fuel system or carburetor	Clean fuel filter, check fuel lines, inspect carburetor jets.
No water discharge	Water pump or blockage	Check water intake for debris; inspect water pump impeller.
Overheating	Cooling system	Check water pump, thermostat, water passages for blockage.
Loss of power	Fuel or ignition system	Inspect spark plug, fuel quality, carburetor adjustment.

Service: Contact authorized Evinrude dealer for major repairs.

Support: 1-800-XXX-XXXX; www.evinrude.com