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YARDMAX 154FS-1 Operator's Manual

Gasoline engine
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Gasoline Engine
Operator's Manual
MODEL NUMBER
154FS-1
SERIAL NUMBER
PURCHASE DATE
Both model number and serial
number may be found on the
main label. You should record
both of them in a safe place for
future use.
FOR YOUR SAFETY
READ AND UNDERSTAND THE ENTIRE MANUAL BEFORE OPERATING MACHINE
Tame the Great Outdoors
®

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Summary of Contents for YARDMAX 154FS-1

  • Page 1 Save This Manual for Future Reference Gasoline Engine Operator’s Manual MODEL NUMBER 154FS-1 SERIAL NUMBER PURCHASE DATE Both model number and serial number may be found on the main label. You should record both of them in a safe place for future use.

  • Page 2: Table Of Contents

    Up for the job? YARDMAX is. When looking for outdoor power equipment (OPE) to get the job done right, at the right price, YARDMAX delivers the perfect combination of performance and practicality. YARDMAX has a solution that’s right for you.

  • Page 3: Introduction

    DISCLAIMER Indicates that equipment or property damage can result if instructions are not followed. YARDMAX reserves the right to discontinue, change, and improve its products at any time without notice or obligation to the purchaser. The descriptions and Carefully read through this entire operator’s manual printing.
  • Page 4 SUPPORT Have questions about your YARDMAX equipment? Call us at 844-YARDMAX, email us at support@yardmax.com, or contact us via your favorite social media site. SPECIFICATIONS Model 154FS-1 Staring mode Recoil start Anti-clockwise Type 0.028" ~ 0.031" Rotation (from P.T.O.Side) Rated power Intake valve 0.10-0.15...

  • Page 5: Safety

    The engines are designed to give safe and dependable service if Warning! operated according to instructions. Read and understand this YARDMAX engines are not engineered or intended to owner’s manual before operating the engine. Failure to do so be used to power any other device than what it was could result in personal injury or equipment damage.

  • Page 6: Know Your Engine

    When the rope is taught with resistance pull quickly and stationary equipment applications, keep the engine at least 3 feet smoothly to avoid kick back. (1 meter) away from building walls and other equipment during FUEL SAFETY Warning! CARBON MONOXIDE HAZARD Exhaust gas contains poisonous carbon monoxide.

  • Page 7: Controls

    Gasoline Engine Operator’s Manual » CONTROLS ENGINE SWITCH CHOKE LEVER OPEN The engine switch enables and The choke lever opens and closes CLOSED disables the ignition system. the choke valve in the carburetor. The engine switch key must put in for the engine to run.

  • Page 8: Check Before Operation

    Look around and underneath the engine for signs of oil or Notice: gasoline leaks. Your engine is shipped from YARDMAX without the oil. Add oil per the instructions before starting. Remove any excessive dirt or debris, especially around the For your safety, and to maximize the service life of your Look for signs of damage.
  • Page 9 Gasoline Engine Operator’s Manual » Never refuel the engine inside a building where gasoline fumes Upper Limit pilot lights, barbecues, electric appliances, power tools, etc. Spilled fuel is not only a fire hazard, it causes environmental damage. Wipe up spills immediately. Maximum fuel oil level Oil Dipstick Lower Limit...

  • Page 10: Operation

    OPERATION SAFE OPERATING PRECAUTIONS Before operating the engine for the first time, please review the IMPORTANT SAFETY INFORMATION and the chapter titled BEFORE OPERATION. Warning! Carbon monoxide gas is toxic. Breathing it can cause unconsciousness or death. Avoid any areas or actions that expose you to carbon monoxide.
  • Page 11 Gasoline Engine Operator’s Manual » 3. If the choke lever has been OPEN moved to the “CLOSE” position CLOSED to start the engine, gradually move it to the “OPEN” position as the engine warms up. OPEN OPEN CLOSED Figure 7b CLOSED Prime Engine - To prime engine you should not press priming Figure 7e...

  • Page 12: Maintenance

    THE IMPORTANCE OF MAINTENANCE Make sure all drive controls are disengaged. We recommend you take your YARDMAX engine to a YARDMAX Move the stop switch to off or remove the ignition key if authorized service center to have all maintenance and service of equipped.
  • Page 13 Gasoline Engine Operator’s Manual » MAINTENANCE SCHEDULE Every 3 Every 6 Every year First month REGULAR SERVICE PERIOD Each use months or months or or 20 Hrs. 50 Hrs. 100 Hrs. 150 Hrs. Check level Engine oil Change Sediment Cup Clean Spark plug Clean...
  • Page 14 REFUELING If spark knock or pinging occurs at a steady engine speed, under normal load, change brands of gasoline. If spark knock or pinging With the engine stopped, remove the fuel tank cap and check the persists, see an authorized servicing dealer. Notice: Warning! Running the engine with persistent spark knock or...
  • Page 15 Gasoline Engine Operator’s Manual » SPARK PLUG Recommended spark plugs: E7RTC or other equivalents. Oil Dipstick Notice: Drain Bolt and An incorrect spark plug can cause engine damage. Sealing Washer Oil Upper Limit Spark Plug Wrench 0.028 ~ 0.031 in (0.70 ~ 0.80 mm) Figure 11 Engine oil capacities: 0.35 L...

  • Page 16: Storage

    STORAGE STORAGE PREPARATION 4) Pull the starter rope several times to distribute the oil in the cylinder. Proper storage preparation is essential for keeping your engine trouble free and looking good. The following steps will help to 5) Reinstall the spark plugs. keep rust and corrosion from impairing your engine’s function and 6) Pull the starter rope slowly until resistance is felt.
  • Page 17 Gasoline Engine Operator’s Manual » TROUBLESHOOTING Engine will not Start Possible Cause Correction 1. Electric starting: check Battery discharged Recharge battery battery Move lever to ON Fuel valve OFF Move lever to CLOSE unless engine 2. Check control positions Choke OPEN is warm.

  • Page 18: Technical & Consumer Information

    TECHNICAL & CONSUMER INFORMATION CARBURETOR MODIFICATION FOR HIGH ALTITUDE OPERATION PROBLEMS THAT MAY AFFECT EMISSIONS At high altitude, the standard carburetor air-fuel mixture will be If you are aware of any of the following symptoms, have your too rich. Performance will decrease, and fuel consumption will engine inspected and repaired by your servicing dealer.

  • Page 19: Wiring Diagram

    Gasoline Engine Operator’s Manual » QUICK REFERENCE INFORMATION Type SAE 5W-30, API SE or SF, for general use. Refer to engine oil recommendation. Engine Oil Spark plug gap Capacity 0.35 L Type E7RTC or other equivalents. Valve clearance 0.028 ~ 0.031 in (0.70 ~ 0.80 mm) Each use Check engine oil.
  • Page 20 Tame the Great Outdoors ® 844-YARDMAX info@yardmax.com (844-927-3629)

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