Honda GX25 Owner's Manual
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Honda GX25 Owner's Manual

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32Z3V6000.book Page 1 Monday, June 11, 2018 1:59 PM
OWNER'S MANUAL
GX25 • GX35 • GX50
SAFETY LABEL LOCATION / COMPONENT & CONTROL LOCATION
This label warns you of potential hazards that can cause
serious injury. Read it carefully.
If the label comes off or becomes hard to read, contact
your servicing dealer for replacement.
WARNING LABEL
Gasoline is highly flammable and
explosive. Stop the engine and let
cool before refueling.
The engine emits toxic poisonous
carbon monoxide gas. Do not run in
an enclosed area.
Read Owner's Manual before
operation.
©2018 Honda Motor Co., Ltd. –All Rights Reserved
32Z3V600
00X32-Z3V-6000
The illustrations in this manual are based on the GX50.
• The illustrations may vary according to the type.
OIL FILLER CAP/
DIPSTICK
WARNING LABEL
AIR CLEANER
PRIMING PUMP
FUEL FILLER CAP
TANK GUARD
FUEL TANK
(applicable type)
ENGINE CONTROLS
CHOKE LEVER
THROTTLE LEVER
GX25/GX35: applicable types
SPARK PLUG
(inside the top cover)
TOP COVER
MUFFLER
(inside the top cover)
STARTER GRIP
OIL FILLER CAP/
DIPSTICK
RECOIL STARTER
THROTTLE LEVER
ENGINE SWITCH
GX25T · GX35T · GX50T
A-1

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  • Page 1 Do not run in an enclosed area. Read Owner’s Manual before operation. CHOKE LEVER THROTTLE LEVER THROTTLE LEVER ENGINE SWITCH GX25/GX35: applicable types ©2018 Honda Motor Co., Ltd. –All Rights Reserved GX25T · GX35T · GX50T 32Z3V600 00X32-Z3V-6000...
  • Page 2 32Z3V6000.book Page 2 Monday, June 11, 2018 1:59 PM Figure 1 Figure 2 Figure 3 Figure 4 MAXIMUM FUEL LEVEL UPPER LIMIT LOWER LIMIT AMBIENT TEMPERATURE Figure 5 Figure 6 GX25 GX35...
  • Page 3 32Z3V6000.book Page 3 Monday, June 11, 2018 1:59 PM Figure 7 Figure 8 Clean Squeeze and Dry Dip in Oil Squeeze Do not twist. Do not twist. Figure 9 Figure 10 Figure 11 0.6–0.7 mm Figure 12 Figure 13 Figure 14...
  • Page 4 32Z3V6000.book Page 4 Monday, June 11, 2018 1:59 PM Figure 15 Figure 16 Figure 17 STAY LOCK NUT ADJUST NUT THROTTLE CABLE Figure 18 Figure 19 Engine switch on the equipment powered by the engine. SPARK PLUG IGNITION COIL ENGINE SWITCH SPARK PLUG IGNITION COIL Black...

  • Page 5: Table Of Contents

    INTRODUCTION SAFETY MESSAGES Thank you for purchasing a Honda engine. We want to help you Your safety and the safety of others are very important. We have to get the best results from your new engine and to operate it provided important safety messages in this manual and on the safely.

  • Page 6: Before Operation Checks

    32Z3V6000.book Page 2 Monday, June 11, 2018 1:59 PM BEFORE OPERATION CHECKS OPERATION IS YOUR ENGINE READY TO GO? SAFE OPERATING PRECAUTIONS For your safety, to ensure compliance with environmental Before operating the engine for the first time, please review the SAFETY INFORMATION BEFORE regulations, and to maximize the service life of your equipment,...

  • Page 7: Setting Engine Speed

    STOPPING THE ENGINE and use. Use only Honda Genuine parts or their equivalent. The use of To stop the engine in an emergency, simply turn the engine replacement parts which are not of equivalent quality may switch to the OFF ( ) position.

  • Page 8: Maintenance Schedule

    Pump octane rating 86 or higher your engine best and is fully equipped to maintain and repair it. To ensure the best quality and reliability, use only new Honda This engine is certified to operate on unleaded gasoline with a Genuine parts or their equivalents for repair and replacement.

  • Page 9: Engine Oil

    See Figure 3, page A-2. hole. Use 4-stroke motor oil that meets or exceeds the requirements Engine oil capacity: GX25: 0.08 L for API service classification SE or later (or equivalent). Always GX35: 0.10 L check the API service label on the oil container to be sure it GX50: 0.13 L...

  • Page 10: Spark Plug

    32Z3V6000.book Page 6 Monday, June 11, 2018 1:59 PM Inspection (paper air filter element type) 2. Disconnect the spark plug cap [3], and remove any dirt from See Figures 8, page A-3. around the spark plug area. Loosen the screw [1] and remove the air cleaner cover [2]. 3.

  • Page 11: Safety Label Location / Fuel Filter And Fuel Component & Control Tank

    In some areas, it is illegal to operate an engine without a spark arrester. Check local laws and Spark Arrester Cleaning & Inspection regulations. A spark arrester is available from authorized Honda servicing dealers. 1. Use a brush to remove carbon deposits from the spark arrester screen [5].

  • Page 12: Suggestions

    32Z3V6000.book Page 8 Monday, June 11, 2018 1:59 PM HELPFUL TIPS & SUGGESTIONS Draining the Fuel Tank and Carburetor See Figure 15, page A-4. STORING YOUR ENGINE Storage Preparation Gasoline is highly flammable and explosive. Proper storage preparation is essential for keeping your engine trouble-free and looking good.

  • Page 13: Transporting

    32Z3V6000.book Page 9 Monday, June 11, 2018 1:59 PM Storage Precautions TECHNICAL & CONSUMER INFORMATION If your engine will be stored with gasoline in the fuel tank and carburetor, it is important to reduce the hazard of gasoline vapor TECHNICAL INFORMATION ignition.

  • Page 14: Specifications

    GX25 (Basic types) engine model and measured in accordance with SAE J1349 at GX25T 7,000 rpm (Net Power) and at GX25/GX50: Description code GCALT 5,000 rpm, GX35: 5,500 rpm (Max. Net Torque). Mass production engines may vary from this value.
  • Page 15 - Natural wear and tear (natural fading of painted or plated surfaces, sheet peeling and other natural deterioration) 2. Consumable parts: Honda does not warrant parts deterioration due to normal wear and tear. The parts listed below are not covered by warranty (unless they are needed...
  • Page 16 32Z3V6000.book Page 12 Monday, June 11, 2018 1:59 PM...

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Gx35Gx50

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