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| Home / Engines / Kohler Engines / Kohler CV460 |
Kohler Command CV460 Problems
| Engine Model: Kohler Command CV460 |
| Engine Type: 4-cycle 1-cylinder vertical shaft air-cooled gasoline engine |
| Total Displacement: 27.9 cu.in (460 cc) |
| Rated Engine Power: 16 Hp (11.9 kW) at 3600 rpm |
| Fuel System: Float carburetor with fixed main jet |
| Engine starts hard or won't start |
Fuel tank is empty - Fill it up.
Low-quality gasoline - Use correct gasoline grade.
Air in fuel system - Bleed fuel system.
Faulty spark plug wire connection - Check the spark plug wire connection, repair or replace.
Faulty spark plug - Change spark plug.
Clogged fuel filter - Replace fuel filter.
Brake pedal not pushed down - Push the brake pedal down.
Carburetor is not adjusted - Check carburetor float adjustment.
Engine has bad compression - Check cylinder block and change wear parts.
Not adjusted or damaged throttle cable - Adjust correctly or change the cable.
| Rough engine running |
Clogged cooling fins - Clean and wash as required.
Ignition system malfunction - Check ignition and replace faulty components.
Stuck or faulty throttle cable - Service or replace the cable.
Air filter is dirty - Clean or replace air filter.
Fuel pump is faulty or clogged - Check fuel pump and replace if necessary.
| Engine starts but stops suddenly |
Faulty spark plug - Install new spark plug.
Defective or dirty carburetor - Clean or change carburetor.
Ignition coil is defective - Install a new ignition coil.
Valve springs are loose or broken - Replace valve springs.
Valves sticking - Service the valves.
| Engine overheating |
Low engine oil level - Need to add engine oil.
Engine is running overloaded - Reduce the load.
Air intake screen is plugged - Need to clean or wash.
Too lean fuel mixture in carburetor - Use proper settings.
Ignition timing is improper - Adjust ignition timing as required.
Wrong valve setting - Set the valves correctly.
| Engine knocks or noises |
Stale gasoline - Use correct fuel.
Engine is under excessive load - Reduce the load.
Low engine oil level - Need to add engine oil.
Low idle speed set incorrectly - Adjustment required.
Fuel pump is clogged or faulty - Check fuel pump and change if required.
Worn main bearings or crankshaft - Install new parts as as required.
Valve clearance is improper - Need to adjust valve clearance.
Worn cylinder bore or piston rings - Change faulty components.
| Engine power loss |
Clogged or improperly adjusted carburetor - Adjust the carburetor properly or clean it.
Air filter is dirty - Clean or change air filter.
Fuel pump is faulty or clogged - Clean or change fuel pump.
Ignition failure - Test ignition and replace failed parts.
Cylinder head gasket is blown - Change cylinder head gasket.
Valves are burned or stuck - Service or change valves.
Bent or worn push rod - Replace push rod.
Cylinder block components are worn - Replace defective components.
Clogged oil filter (if equipped) - Change or service oil filter.
| Engine using too much gasoline |
Choke opening is not full - Replace or adjust choke cable.
Improper carburetor main jet adjustment - Adjust it properly.
Faulty or loose spark plug - Tighten or change the spark plug.
Stuck, burned, or worn valves - Service or replace valves.
Rings, sleeve, or piston are damaged - Change faulty parts.
Valve clearance is wrong - Adjust to proper valve clearance.
| Excessive oil consumption |
Gaskets or seals can be faulty - To repair leaks, replace worn parts.
Worn valve guides and valve stems - Install new valves.
Worn or broken piston rings - Change the piston rings as required.
Piston or cylinder liner is scored - Inspect liner and piston, change as necessary.
Clogged breather hose or pipe - Clean or change.
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