Efco K805 User Manual

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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

Table of Contents

Questions and Answers:

C
Christopher BrownAug 7, 2025
What to do if Efco Engine will not start?
- E
  Eduardo CastroAug 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
Megan MurphyAug 23, 2025
Why Efco K805 lacks power?
- W
  Wendy FloresAug 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.

Efco K805 Specifications

General

Brand	Efco
Model	K805
Category	Engine
Language	English

Summary

Engine Safety

Gasoline Flammability and Explosion Hazard

Highlights the extreme flammability and explosive nature of gasoline and its vapors.

Engine Start-Up Safety

Warns about sparks during engine start and potential ignition of flammable gases.

Carbon Monoxide Hazard

Informs about the danger of toxic, colorless, and odorless carbon monoxide gas.

Rotating Parts Hazard

Pre-Operation Checks

Engine Oil Recommendations

Fuel Recommendations

Maintenance

Maintenance Safety Precautions

Engine Oil Change and Refueling

Maintenance Schedule

Engine Components Identification

Troubleshooting Engine Problems

Engine Will Not Start

Diagnoses and corrects common issues preventing the engine from starting.

Engine Lacks Power

Identifies and resolves causes for reduced engine power or performance.

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