Honda WH15X User Manual

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31YB7723

00X31-YB7-7230

o2001-2009 Honda Motor Co., Ltd. -All Rights Reserved

Owner’s Manual

WATER PUMP

WH15X/WH20X

Black

DIC F101

N

2eY1800.2009.04

" Printed in Japan

00X31-YB7-7230 WH15X/WH20X

Table of Contents

Questions and Answers:

R
Rebecca DunlapJul 27, 2025
Why Honda WH15X engine will not start?
- D
  David WilliamsJul 27, 2025
  If your Honda Water Pump's engine won't start, several factors could be at play. First, ensure there's enough fuel and the fuel valve is turned ON. Check if gasoline is reaching the carburetor and that the engine switch is also ON. Verify the engine has sufficient oil. Inspect the spark plug, clean it, readjust the gap, and dry it; replace if needed. If these steps don't resolve the issue, it's recommended to take the water pump to an authorized Honda dealer.
J
jessica66Aug 10, 2025
What to do if my Honda WH15X cannot pump the water?
- J
  Julia MoralesAug 10, 2025
  If your Honda Water Pump isn't pumping water, start by ensuring the pump is fully primed. Then, check the strainer for any clogs. Make sure the hose bands are securely installed and inspect the hose for damage. Also, verify that the suction head isn't too high. If the pump still doesn't operate after these checks, take it to an authorized Honda dealer.

Honda WH15X Specifications

General

Displacement	163 cc
Fuel Tank Capacity	3.1 L
Inlet/Outlet Diameter	50 mm (2 inches)
Dry Weight	25 kg
Engine Type	4-stroke, OHV
Starting System	Recoil
Pump Type	Centrifugal
Suction Head	8 m
Type	Portable

Summary

INTRODUCTION

A FEW WORDS ABOUT SAFETY

Discusses the importance of safety and how information is presented.

PUMP SAFETY

IMPORTANT SAFETY INFORMATION

Provides crucial safety guidelines for operating the water pump.

Hot Exhaust

Information on hot muffler and exhaust hazards.

Carbon Monoxide Hazard

Details the risks of carbon monoxide from exhaust gas.

CONTROLS

COMPONENT & CONTROL LOCATIONS

Fuel Valve Lever

Ignition Switch

Choke Lever

Throttle Lever

Recoil Starter Grip

BEFORE OPERATION

IS YOUR PUMP READY TO GO?

Check the General Condition of the Pump

Check the Suction and Discharge Hoses

Check the Engine

OPERATION

SAFE OPERATING PRECAUTIONS

General precautions for safe and effective pump operation.

PUMP PLACEMENT

SUCTION HOSE INSTALLATION

DISCHARGE HOSE INSTALLATION

PRIMING THE PUMP

Step-by-step guide to priming the pump before operation.

STARTING THE ENGINE

Detailed steps for starting the engine, including choke and throttle settings.

SETTING ENGINE SPEED

STOPPING THE ENGINE

Procedures for safely stopping the engine.

SERVICING YOUR PUMP

THE IMPORTANCE OF MAINTENANCE

MAINTENANCE SAFETY

Outlines essential safety precautions during maintenance and repair.

MAINTENANCE SCHEDULE

Provides a detailed schedule for regular maintenance tasks.

REFUELING

Instructions and safety warnings for refueling the pump.

FUEL RECOMMENDATIONS

ENGINE OIL LEVEL CHECK

Step-by-step guide to checking the engine oil level.

ENGINE OIL CHANGE

Instructions for draining and refilling the engine oil.

ENGINE OIL RECOMMENDATIONS

AIR FILTER INSPECTION

AIR FILTER CLEANING

Detailed steps for cleaning the air filter.

SEDIMENT CUP CLEANING

SPARK PLUG SERVICE

Steps for inspecting, gapping, and replacing the spark plug.

IDLE SPEED ADJUSTMENT

STORAGE

STORAGE PREPARATION

Fuel

Draining the Fuel Tank and Carburetor

Engine Oil

STORAGE PRECAUTIONS

REMOVAL FROM STORAGE

TAKING CARE OF UNEXPECTED PROBLEMS

ENGINE

Troubleshooting common engine issues like not starting or lacking power.

PUMP

Troubleshooting common pump issues like no output or low output.

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