Honda HHT25S Manual page 2

INTRODUCTION
This manual covers service and repair procedures for the
Honda HHT25S and HHT35S Trimmer/Brush Cutter.
All information contained in this manual is based on the latest
product information available at the time of printing. We
reserve the right to make changes at any time without notice.
No part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form by any means,
electronic, mechanical, photocopying, recording, or
otherwise, without prior written permission of the publisher.
This includes text, figures, and tables.
As you read this manual, you will find information that is
NOTICE
preceded by a symbol. The purpose of this
message is to help prevent damage to the trimmer/brush
cutter, other property, or the environment.
SAFETY MESSAGES
Your safety and the safety of others are very important. To
help you make informed decisions, we have provided safety
messages and other safety information throughout this
manual. Of course, it is not practical or possible to warn you
about all the hazards associated with servicing this trimmer/
brush cutter. You must use your own good judgment.
You will find important safety information in a variety of forms,
including:
• Safety Labels – on the trimmer/brush cutter.
• Safety Messages – preceded by a safety alert symbol 
and one of three signal words: DANGER, WARNING, or
CAUTION.
These signal words mean:
 DANGER You WILL be KILLED or
SERIOUSLY HURT if you don't
follow instructions.
 WARNING You CAN be KILLED or
SERIOUSLY HURT if you don't
follow instructions.
 CAUTION You CAN be HURT if you don't
follow instructions.
• Instructions – how to service this trimmer/brush cutter
correctly and safely.
Service Communications Department
American Honda Motor Co., Inc.
CONTENTS
SPECIFICATIONS
SERVICE INFORMATION
MAINTENANCE
TOP COVER / MUFFLER
AIR CLEANER / CARBURETOR
RECOIL STARTER / FUEL TANK
STARTER PULLEY/ CLUTCH /
IGNITION COIL / FLYWHEEL
CAM PULLEY / CYLINDER HEAD
COVER / LOWER CRANKCASE
CRANKSHAFT / PISTON / VALVES /
CYLINDER BLOCK
CUTTING ATTACHMENT
/ GEAR CASE
FRAME ASSEMBLY / HANDLEBAR
INDEX
1
2
3
4
5
6
7
8
9
10
11
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