Kawasaki TH23 - User Manual

TH23/TH26/TH34
2–Stroke Air-Cooled Gasoline Engine
Service Manual
All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system, or transmitted in any
form or by any means, electronic mechanical photocopying, recording or otherwise, without the prior written permission of
Quality Assurance Department/Consumer Products & Machinery Group/Kawasaki Heavy Industries, Ltd., Japan.
No liability can be accepted for any inaccuracies or omissions in this publication, although every possible care has been
taken to make it as complete and accurate as possible.
The right is reserved to make changes at any time without prior notice and without incurring an obligation to make such
changes to products manufactured previously.
All information contained in this publication is based on the latest product information available at the time of publication.
Illustrations and photographs in this publication are intended for reference use only and may not depict actual model
component parts.
© Kawasaki Heavy Industries, Ltd., 1999 Second Edition (1) : Apr. 30, 1999 (K)
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Summary

EMISSION CONTROL INFORMATION

Exhaust Emission Control System

Explains the engine's emission control system and its components.

TAMPERING WITH EMISSION CONTROL SYSTEM PROHIBITED

Foreword

How to Use this Manual

Guides users on interpreting manual symbols and structure for effective use.

General Information

Before Servicing

Provides essential precautions and procedures before performing any maintenance or repair.

General Specifications

Lists detailed technical specifications for TH23D, TH26D, and TH34D engine models.

Idling Speed

Explains how to adjust the engine's idling speed for optimal performance.

Periodic Maintenance Chart

Outlines a schedule for regular maintenance checks and tasks.

Tightening Torque

Specifies the correct torque values for various fasteners during assembly.

Clearance Table

Lists critical component clearances and their acceptable service limits.

Setting Table

Details standard settings for ignition timing, air gap, and carburetor components.

Removal;Installation

Clutch and Fuel Tank Service

Procedures for removing and installing the clutch and fuel tank assembly.

Air Cleaner, Carburetor, and Muffler Service

Detailed steps for removing and installing air cleaner, carburetor, and muffler.

Recoil Starter and Ignition Coil Service

Steps for removing and installing recoil starter, ignition coil, and related housings.

Engine Core Components Service

Procedures for flywheel, cylinder, piston, and crankshaft assemblies.

Troubleshooting

Hard Starting

Addresses symptoms, causes, and remedies for difficult engine starting.

Engine Malfunction at Speed

Covers issues causing performance loss at low and high engine speeds.

Insufficient Power and Engine Overheating

Diagnoses and resolves problems related to reduced engine power and overheating.

Engine Stops During Operation

Provides solutions for engine stalling issues during use.

Supplement - Carburetor Service

Carburetor Disassembly and Reassembly

Step-by-step guide for disassembling and reassembling the carburetor.

Carburetor Inspection and Adjustment

Procedures for inspecting components and adjusting carburetor settings.

Idle Needle Pin Adjustment

Specific steps for adjusting the idle needle pin for correct idling.

Carburetor Troubleshooting

Common carburetor issues, their causes, and solutions.

Kawasaki TH23 Specifications

General

Starting System	Recoil starter
Engine Type	2-stroke, single cylinder
Fuel System	Carburetor
Cooling System	Air cooled
Lubrication System	Premix (fuel and oil mixture)