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| Home / Engines / Kohler Engines / Kohler CH752 |
Kohler Command PRO CH752 Problems
| Engine Model: Kohler Command PRO CH752 |
| Engine Type: 4-cycle 2-cylinder horizontal shaft air-cooled gasoline engine |
| Total Displacement: 46.0 cu.in (747 cc) |
| Rated Engine Power: 27.0 Hp (20.1 kW) at 3600 rpm |
| Fuel System: Two-barrel carburetor with fixed main jet |
| Engine starts hard or doesn't start |
No fuel in fuel tank - Add fuel.
Wrong grade of gasoline - Use correct gasoline grade.
Dirty fuel lines - Inspect and clean.
Defective wiring connection of spark plug - Check spark plug wiring connection, repair or change.
Damaged spark plug - Change spark plug as required.
Fuel filter is dirty - Replace fuel filter.
Defective safety switch - Replace if required.
Carburetor is clogged - Clean the carburetor.
Weak cylinder compression - Inspect cylinder block and change worn parts.
Throttle cable is worn or adjusted improperly - Adjust properly or change the cable.
| Irregular engine running |
Air intake screen is blocked - Wash or clean as required.
Defective ignition system - Inspect ignition system and change failed components.
Defective or stuck choke cable - Service or change the cable.
Clogged air filter - Clean or change air filter.
Fuel pump is clogged or faulty - Check fuel pump and replace if necessary.
| Engine stalls after starting |
Spark plug is faulty - Change spark plug.
Clogged or defective carburetor - Clean or replace carburetor.
Ignition coil is defective - Ignition coil must be replaced.
Bad or broken valve springs - Install new valve springs.
Stuck valves - Valves need to be cleaned.
| Engine overheating |
Engine oil insufficient - Fill the crankcase with engine oil.
Engine is under excessive load - Reduce engine load.
Air intake grill is clogged - Clean and wash as required.
Too lean carburetor mixture - Use proper settings.
Improper ignition timing - Adjust ignition timing correctly.
Incorrect valve setting - Adjust valves as required.
| Engine noises or knocks |
Low octane gasoline - Use proper fuel.
Excessive engine load - Reduce load.
Engine oil level low - Fill the crankcase with engine oil.
Low idle speed adjustment is incorrect - Adjust idle speed.
Dirty or defective fuel pump - Service or replace fuel pump.
Main bearings or crankshaft are worn out - Have bearings or crankshaft replaced.
Valve clearance is wrong - Adjustment procedure required.
Piston rings or cylinder bore are damaged - Change faulty components.
| Low engine power |
Carburetor is clogged or improperly adjusted - Clean or properly adjust carburetor.
Plugged air filter - Service or replace air filter.
Fuel pump is clogged or faulty - Inspect fuel pump and change as required.
Ignition system failure - Inspect ignition system and change faulty parts.
Blown cylinder head gasket - Cylinder-head gasket replacement required.
Valves are burned or stuck - Service or change valves.
Push rod is worn or damaged - Change push rod.
Cylinder block components are damaged - Change defective components.
Clogged oil filter (if equipped) - Service or replace oil filter.
| High fuel consumption |
Choke opening is not full - Replace or adjust choke cable.
Incorrect carburetor main jet adjustment - Adjust the carburetor main jet correctly.
Loose or defective spark plug - Change or re-tighten spark plug.
Stuck, worn, or burned valves - Replace or clean valves.
Worn piston, rings, or sleeve - Change faulty components.
Excessive valve clearance - Adjustment procedure required.
| Excessive engine oil consumption |
Worn gaskets or seals - Replace worn parts to avoid leaks.
Valve stems or guides are damaged - Valves replacement required.
Seized or wear piston rings - Change piston rings.
Cylinder liner or piston is worn - Inspect liner and piston, change as necessary.
Clogged breather pipe or hose - Change or service.
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