LONCIN G340FD User Manual

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Gasoline Engine Owner’s Manual 3

Benzinmotor Gebrauchsanleitung 44

Moteur d’essence Mode d’emplois 88

Benzinemotor Handleiding 134

Bensinmotor Användarhandbok 178

160F 168F-1 168F-2 170F

173F 177F 182F 188F 190F

G120F·G160F·G180F

·G200F·G210F

G240F·G270F·G340F·G390F·G420F

Table of Contents

Questions and Answers:

C
christopher98Aug 17, 2025
Why my LONCIN G340FD Engine will not start?
- D
  David LuceroAug 17, 2025
  If your LONCIN Engine won't start, several factors could be the cause. First, check if the battery is discharged and recharge it if necessary. Ensure the fuel valve is in the ON position. If the engine is cold, make sure the choke is CLOSED; if warm, leave it OPEN. Verify the engine switch is set to ON and that you have sufficient fuel. If the fuel is old or bad, drain the tank and carburetor, then refuel with fresh gasoline. Inspect the spark plugs for faults, fouling, or incorrect gaps; gap or replace them as needed. If the spark plugs are wet, dry and reinstall them, then start the engine with the throttle lever in the FAST position. For more complex issues like a clogged fuel filter, carburetor malfunction, or valve problems, consider replacing or repairing the faulty components.
T
Terry SimmonsAug 19, 2025
Why LONCIN G340FD lacks power?
- A
  Amy MyersAug 20, 2025
  If your LONCIN Engine lacks power, start by checking the filter elements for clogs and clean or replace them as needed. Ensure that the engine has enough fuel by refueling if necessary. If the fuel is old or of poor quality, drain the fuel tank and carburetor, and then refuel with fresh gasoline. In case of a clogged fuel filter, carburetor malfunction, ignition malfunction, or a stuck valve, replace or repair the faulty components.
K
Kimberly KhanAug 22, 2025
What to do if LONCIN Engine spark plugs wet with fuel?
- J
  Jennifer AndersonAug 22, 2025
  If your LONCIN Engine's spark plugs are wet with fuel, it indicates a flooded engine. To resolve this, dry and reinstall the spark plugs. Then, start the engine with the throttle lever in the FAST position.
C
Courtney MannAug 25, 2025
What to do if LONCIN Engine has bad fuel?
- J
  Jennifer CobbAug 26, 2025
  If the fuel in your LONCIN Engine is bad, it could be due to the engine being stored without treating or draining the gasoline, or refuelling with bad gasoline. The solution is to drain the fuel tank and carburetor, then refuel with fresh gasoline.
C
Christopher CruzAug 28, 2025
How to fix faulty spark plugs in LONCIN G340FD Engine?
- S
  Stephen JohnsonAug 28, 2025
  If the spark plugs in your LONCIN Engine are faulty, fouled, or improperly gapped, gap or replace them.
R
Ryan WhiteAug 30, 2025
What to do if LONCIN G340FD Engine is out of fuel?
- K
  kmillerAug 31, 2025
  If your LONCIN Engine is out of fuel, refuel it.
C
carol87Sep 2, 2025
What to do if LONCIN G340FD Engine fuel valve is off?
- J
  Jeanette WilliamsSep 3, 2025
  If the fuel valve of your LONCIN Engine is OFF, move the lever to the ON position.
I
iboyerSep 5, 2025
What to do if LONCIN G340FD Engine switch is off?
- T
  tina15Sep 5, 2025
  If the engine switch of your LONCIN Engine is OFF, turn the engine switch to ON.
J
Jessica FloydSep 8, 2025
What to do if LONCIN G340FD Engine choke is open?
- J
  jennifer72Sep 8, 2025
  If the choke on your LONCIN Engine is OPEN, move the lever to CLOSE unless the engine is warm.
V
Vanessa AyalaSep 12, 2025
How to clean LONCIN Engine clogged filter element(s)?
- D
  Donna HillSep 12, 2025
  If the filter element(s) in your LONCIN Engine are clogged, clean or replace them.

LONCIN G340FD Specifications

General

Brand	LONCIN
Model	G340FD
Category	Engine
Language	English

Summary

Safety Information

Safety Symbols and Definitions

Explains the meaning of warning, danger, caution, notice, and note symbols.

Engine Safety

Key Safety Guidelines

General safety principles and warnings for engine operation.

Pre-Operation Checks

General Engine Inspection

Inspecting the engine for leaks, damage, and loose parts.

Fluid Levels and Air Filter Check

Verifying engine oil level and air filter condition.

Fuel Level Verification

Engine Operation

Safe Operating Precautions

Important safety guidelines before operating the engine.

Starting the Engine Procedure

Step-by-step guide to starting the gasoline engine.

Stopping the Engine Procedure

Procedures for safely stopping the engine.

Maintenance

Importance of Regular Maintenance

Explains why proper maintenance is crucial for engine performance.

Maintenance Safety Precautions

Safety guidelines to follow during maintenance procedures.

Refueling Guidelines

Guidelines and precautions for refueling the engine.

Checking Engine Oil Level

How to check the engine oil level.

Engine Oil Change Procedure

Steps for draining and refilling engine oil.

Air Filter Inspection and Service

Air Cleaner Maintenance

Spark Plug Maintenance

Troubleshooting Guide

Troubleshooting: Engine Won't Start

Common causes and corrections for starting issues.

Troubleshooting: Engine Lacks Power

Common causes and corrections for power loss.

Engine Specifications

Detailed Engine Model Specifications

Detailed technical specifications for various engine models in a table.

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