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Efco K655 - User Manual

Efco K655
44 pages
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K605 - K655 - K805
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ENGINE OWNER’S MANUAL
MANUALE USO E MANUTENZIONE MOTORI
BETRIEBS- UND WARTUNGSANLEITUNG DER MOTOREN
MANUEL D’UTILISATION ET D’ENTRETIEN DES MOTEURS
MANUAL DE USO Y MANTENIMIENTO DEL MOTOR
NÁVOD NA POUÎITIE A ÚDRÎBU MOTOROV
Pubbl. 3075251 - Set/2018

Questions and Answers

  • T
    Terry Mcgee MDAug 7, 2025
    What to do if Efco K655 Engine will not start?
    • G
      Gabriella RomeroAug 7, 2025
      If your Efco Engine won't start, there are several potential causes. First, ensure the choke is closed unless the engine is warm; adjust the lever accordingly. Check the fuel level and refuel if necessary. Bad fuel can also be a culprit; drain the fuel tank and carburetor, then refuel with fresh gasoline. Inspect the spark plugs for faults, fouling, or improper gaps, and gap or replace them as needed. If the spark plugs are wet with fuel, dry and reinstall them, then start the engine with the control lever in the FAST position. For issues like a clogged fuel filter, carburetor malfunction, ignition malfunction, or a stuck valve, replace or repair the faulty components.
  • M
    Michael Santos DDSAug 22, 2025
    Why Efco K655 lacks power?
    • R
      Ryan HooverAug 23, 2025
      If your Efco Engine lacks power, several factors could be responsible. Clogged filter elements can restrict performance, so clean or replace them. Insufficient fuel is another common cause; refuel if necessary. Bad fuel, especially if the engine was stored improperly, can also lead to power loss; drain the fuel tank and carburetor, then refuel with fresh gasoline. Issues like a clogged fuel filter, carburetor malfunction, ignition malfunction, or a stuck valve may also be the cause, so replace or repair the faulty components as necessary.

Summary

Introduction

Before Operating Engine

General safety advice before operating the engine.

Engine Safety

Important Safety Information

Key safety advice for engine operation.

Gasoline Hazards

Risks associated with flammable gasoline and its vapors.

Explanation of Symbols and Safety Warnings

Pre-Operations Check

Engine Oil Recommendations

Guidance on selecting and checking engine oil.

CAUTION - Engine Shipped Without Oil

Warning about checking oil level before first use.

Fuel Recommendations

Guidance on selecting and using gasoline.

Maintenance

Importance of Maintenance

Explains why regular maintenance is essential for safe and efficient operation.

Safety Precautions for Maintenance

Safety measures to take before performing maintenance.

Maintenance Schedule

A table outlining required maintenance tasks and intervals.

Storage and Transporting

Fuel Storage Guidance

Advice on storing gasoline to prevent deterioration and hazards.

Troubleshooting

Engine Will Not Start

Identifies causes and solutions for engine starting issues.

Engine Lacks Power

Identifies causes and solutions for low engine power.

Efco K655 Specifications

General IconGeneral
Cylinders1
Ignition SystemElectronic
Engine Type2-stroke
Power Output3.5 kW
Fuel Mix Ratio2%

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