Kohler Aegis LH775 Owner's Manual

Kohler Aegis LH775

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66 590 04 Rev. --

KohlerEngines.com

LH775

Owner's Manual

IMPORTANT: Read all safety precautions and instructions carefully before

operating equipment. Refer to operating instruction of

equipment that this engine powers.

Ensure engine is stopped and level before performing any

maintenance or service.

Warranty coverage as outlined in the warranty card and on

KohlerEngines.com. Please review carefully as it provides you

speciﬁ c rights and obligations.

Record engine information to reference when ordering parts or obtaining warranty coverage.

Engine Model

Speciﬁ cation

Serial Number

Purchase Date

Other manuals for Kohler Aegis LH775

Service Manual92 pages

Questions and Answers:

R
Rachel BurkeAug 17, 2025
What to do if Kohler Aegis LH775 engine will not crank?
- A
  Ashley MendozaAug 17, 2025
  If your Kohler Crankshaft engine won't crank, there are several potential reasons: * The battery may be discharged; charge or replace it. * The electric starter or solenoid could be faulty; replace it. * The key switch or ignition switch might be faulty; repair or replace it. * The interlock switch may be engaged or faulty; check it. * Loose wires or connections grounding the ignition kill circuit; secure them. * The pawls might not be engaging in the drive cup; inspect and repair them. * Internal engine components may be seized; inspect and repair them.
A
April BrownAug 22, 2025
What to do if my Kohler Aegis LH775 Crankshaft engine starts but doesn't keep running?
- S
  Stephanie MyersAug 22, 2025
  If your Kohler Crankshaft engine starts but doesn't keep running, consider these potential causes: * A faulty carburetor, which may need repair or replacement. * A faulty cylinder head gasket, which would require replacement. * Faulty or misadjusted choke or throttle controls, which should be adjusted or repaired. * A fuel pump malfunction or a clogged/leaking vacuum hose, which needs inspection and repair. * An intake system leak, which should be inspected and repaired. * Loose wires or connections intermittently grounding the ignition kill circuit; secure these wires. * The quality of the fuel; replace with high-quality fuel if it's contaminated. * A restricted fuel tank cap vent; inspect and clean it.
P
pcampbellAug 25, 2025
Why is my Kohler Crankshaft engine losing power?
- J
  John ValdezAug 26, 2025
  If your Kohler Crankshaft engine is losing power, several factors could be responsible. Check the following: * A dirty air cleaner element, which should be cleaned or replaced. * The engine may be overheated, allow it to cool down. * There may be excessive engine load, reduce it. * There might be a restricted exhaust, check and clear any restrictions. * Faulty spark plugs, replace them. * High crankcase oil level, check and adjust it. * Incorrect governor setting, adjust it. * Low battery, charge or replace it. * Low compression, inspect for the cause. * Low crankcase oil level, check and add oil if low. * The quality of the fuel, replace fuel with high-quality fuel.
G
Gregory WatsonSep 2, 2025
What causes a Kohler Crankshaft engine to run but miss?
- M
  Michael GarciaSep 2, 2025
  If your Kohler Crankshaft engine runs but misses, consider these possible causes: * The carburetor might be adjusted incorrectly; adjust it correctly. * The engine might be overheated; allow it to cool down. * Faulty spark plugs could be the issue; replace them. * Faulty or improperly gapped ignition modules; repair or replace them and ensure proper gap. * Incorrect crankshaft position sensor air gap; ensure it's correct. * An engaged or faulty interlock switch; check it. * Loose wires or connections grounding the ignition kill circuit; secure them. * The fuel quality might be poor; replace it with high-quality fuel. * Disconnected spark plug leads; reconnect them. * A loose spark plug lead boot on the plug; secure it. * A loose spark plug lead; tighten it.
R
Rebecca BullockSep 5, 2025
Why won't my Kohler Crankshaft engine idle?
- H
  hbradySep 5, 2025
  If your Kohler Crankshaft engine will not idle, consider the following possible causes: * The engine may be overheated; allow it to cool down. * Faulty spark plugs; replace them. * Idle fuel adjusting needles improperly set; adjust them properly. * Idle speed adjusting screw improperly set; adjust it properly. * Inadequate fuel supply; check and ensure an adequate supply. * Low compression; inspect for the cause. * Poor fuel quality (dirt, water, stale, mixture); replace fuel with high-quality fuel. * Restricted fuel tank cap vent; inspect and clean it.
R
Raymond WelchSep 7, 2025
What causes a Kohler Aegis LH775 engine to knock?
- J
  jenniferraySep 8, 2025
  If your Kohler Crankshaft engine is knocking, here are some potential causes: * Excessive engine load; reduce it. * Hydraulic lifter malfunction; inspect and repair hydraulic lifters. * Incorrect oil viscosity/type; use correct oil viscosity/type. * Internal wear or damage; inspect for internal engine wear or damage. * Low crankcase oil level; check and add oil if low. * Poor fuel quality (dirt, water, stale, mixture); replace fuel with high-quality fuel.
W
William LopezSep 10, 2025
Why is my Kohler Aegis LH775 Crankshaft engine using an excessive amount of oil?

Kohler Aegis LH775 Specifications

General

Brand	Kohler
Model	Aegis LH775
Category	Crankshaft
Language	English

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