Parsun F15A BM - User Manual

Questions and Answers

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Brittany SchmidtAug 5, 2025
What to do if my Parsun Outboard Motor engine will not start?
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  robinsondeniseAug 5, 2025
  If your Parsun Outboard Motor engine won't start (but the starter operates), consider these potential causes and solutions: * The fuel tank may be empty: Fill the tank with clean, fresh fuel. * The fuel may be contaminated or stale: Fill the tank with clean, fresh fuel. * The fuel filter may be clogged: Clean or replace it with the recommended type. * The spark plug(s) may be fouled or of the incorrect type: Inspect, clean, or replace with the recommended type. * The spark plug cap(s) may be fitted incorrectly: Check and refit the cap(s). * The ignition wiring may be damaged or poorly connected: Check wires for wear or breaks, tighten all loose connections, and replace worn or broken wires. * The engine stop switch lanyard may not be attached: Attach the lanyard.
J
jennifersnyderAug 11, 2025
How to fix a Parsun Outboard Motor when the starter will not operate?
- S
  Stacy HowellAug 11, 2025
  If the starter on your Parsun Outboard Motor will not operate, verify that the shift lever is in neutral. If it is not, shift to neutral.
S
stewarttammyAug 29, 2025
Why does my Parsun F15A BM Outboard Motor vibrate excessively?
- B
  bthomasAug 29, 2025
  Excessive vibration in your Parsun Outboard Motor could be due to: * A damaged propeller: Repair or replace the propeller. * Weeds or foreign matter tangled on the propeller: Remove and clean the propeller. * A loose motor mounting bolt: Tighten the bolt. * Loose steering pivot: Tighten it.
R
Robert HarmonNov 17, 2025
Why is my Parsun Outboard Motor engine losing power?
- S
  Samantha ObrienNov 17, 2025
  A loss of power in your Parsun Outboard Motor can stem from several issues: * A damaged propeller: Repair or replace the propeller. * Incorrect trim angle: Adjust the trim angle for optimal operation. * Incorrect motor mounting height: Adjust the motor to the proper transom height. * A boat bottom fouled with marine growth: Clean the boat bottom. * Weeds or foreign matter tangled on the gear housing: Remove the foreign matter and clean the lower unit. * Fouled or incorrect spark plug(s): Inspect, clean, or replace with the recommended type. * An obstructed fuel system: Check for pinched or kinked fuel lines or other obstructions. * A clogged fuel filter: Clean or replace the fuel filter. * Contaminated or stale fuel: Fill the tank with clean, fresh fuel. * Incorrect sp...
M
Mary KerrNov 22, 2025
What to do if my Parsun F15A BM engine idles irregularly or stalls?
- A
  aprilevansNov 22, 2025
  An irregular idle or stalling in your Parsun Outboard Motor can arise from various causes. Here's what to check: * Fouled or incorrect spark plug(s): Inspect, clean, or replace with the recommended type. * Obstructed fuel system: Check for pinched or kinked fuel lines. * Contaminated or stale fuel: Replace with clean, fresh fuel. * Clogged fuel filter: Clean or replace the fuel filter. * Incorrect spark plug gap: Inspect and adjust as specified. * Damaged or poorly connected ignition wiring: Check for wear or breaks, tighten loose connections, and replace worn or broken wires. * Incorrect engine oil: Check and replace the oil as specified. * Closed air vent screw on the fuel tank: Open the air vent screw. * Incorrect fuel joint connection: Connect correctly. * Choke kn...

Summary

Engine Identification Numbers

Outboard Motor Serial Number

Instructions for locating and recording the outboard motor serial number.

Engine Serial Number

Information on finding the engine's unique serial number.

Manufacturers Declaration

High Altitude Warning

Operation at High Altitude

Details effects of high altitude on performance and solutions.

1. Main Components and General Information

1.1 Main Components

Visual identification of the outboard motor's key parts.

1.2 General Information

Technical specifications, fueling instructions, and propeller selection.

2. Outboard Motor Operation

2.1 Installation

Procedures for mounting the outboard motor on a boat.

2.2 Engine Break-in

Recommended procedure for breaking in a new engine.

2.3 Pre-Operation Checks

Essential checks before starting the engine.

2.4 Filling Fuel

Instructions and safety precautions for refueling.

2.5 Starting the Engine

Step-by-step guide to starting the outboard motor.

2.6 Warm-up Engine

Procedure for warming up the engine after starting.

2.7 Shifting

How to engage forward and reverse gears.

2.8 Tiller Operation

Using the tiller handle for steering and speed control.

2.9 Stopping the Engine

Correct procedure for shutting down the outboard motor.

2.10 Trimming Outboard Motor

Adjusting the motor's trim angle for optimal performance.

2.11 Cruising in Other Conditions

Operating in shallow water and salt water.

2.12 Warning Indicators and Solutions

Understanding and responding to warning lights and alarms.

3. Outboard Motor Maintenance

3.1 Greasing

Points and procedures for greasing the motor.

3.2 Spark Plug Maintenance

Cleaning and adjusting the spark plug.

3.3 Fuel System Checks

Inspecting and cleaning the fuel filter and system.

3.4 Inspecting Idling Speed

Verifying and adjusting the engine's idle speed.

3.5 Changing Engine Oil

Procedure for draining and refilling engine oil.

3.6 Wiring and Connector Checks

Ensuring secure wiring and connectors.

3.7 Leakage Checks

Inspecting for exhaust, water, or oil leaks.

3.8 Propeller Checks

Inspecting, removing, and installing the propeller.

3.9 Changing Gear Oil

Procedure for changing the gear oil.

3.10 Cleaning Fuel Tank

Steps for cleaning the portable fuel tank.

3.11 Anode Checks

Inspecting and replacing external anodes.

3.12 Checking Top Cowling

Ensuring the top cowling is fitted securely.

3.13 Maintenance Table

Schedule of recommended maintenance tasks.

4. Transporting and Storing

4.1 Transporting

Guidelines for safely transporting the outboard motor.

4.2 Storing

Procedures for storing the outboard motor for extended periods.

4.3 Flusher

How to use the flushing attachment for the cooling system.

5. Emergency Actions

5.1 Impact Damage

Procedures following an impact with an object in water.

5.2 Starter Will Not Operate

Troubleshooting the starter mechanism and using emergency rope start.

5.3 Treatment of Submerged Motor

Steps to take if the outboard motor is submerged.

6. Troubleshooting Guide

7. Circuit Diagram

Parsun F15A BM Specifications

General

Engine Type	2-Stroke
Power Output	15 HP
Displacement	362 cc
Fuel Type	Gasoline
Starting System	Manual
Gear Ratio	2.08:1
Max. Output	15 HP
Full Throttle RPM Range	5000-6000 RPM
Cylinders	2
Gear Shift	F-N-R
WOT Range	5000-6000 RPM
Fuel Tank Capacity	24 L