Kawasaki FR730V Troubleshooting
| Engine Model: Kawasaki FR730V |
| Engine Type: 4-cycle V-Twin cylinder OHV vertical shaft air-cooled gasoline |
| Total Displacement: 44.3 cu.in (726 cc) |
| Rated Engine Power: 20.5 Hp (15.4 kW) at 3600 rpm |
| Carburetor Type: Float with fixed main jet |
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| Engine starts up hard or will not start |
No fuel in fuel tank - Fill fuel up.
Incorrect fuel grade - Use quality fuel.
Dirty fuel lines - Inspect and clean.
Damaged spark plug wiring connection - Check spark plug wiring connection, repair or change.
Damaged spark plug - Change spark plug as required.
Plugged fuel filter - Install new filter.
Faulty safety switch - Change damaged switch.
Carburetor settings incorrect - Adjusting as required.
Poor compression - Inspect and replace wear parts.
Damaged or incorrectly adjusted choke cable - Replace cable or adjust correctly.
Cooling fins are plugged - Need to clean or wash.
Defective ignition - Inspect ignition system and change failed components.
Faulty or stuck choke cable - Replace or service the cable.
Air filter element is clogged - Clean or replace air filter.
Fuel pump is defective or dirty - Clean or replace fuel pump.
| Engine starts but then stalls |
Damaged spark plug - Change spark plug.
Dirty or faulty carburetor - Replace or service carburetor.
Ignition coil is damaged - Install a new ignition coil.
Bad or damaged valve springs - Change valve springs.
Valves are stuck - Clean the valves.
Lack of engine oil - Fill up the engine oil.
Engine is overloaded - Load reducing required.
Clogged cooling fins - Wash or clean as required.
Too lean fuel mixture in carburetor - Adjust carburetor correctly.
Ignition timing is improper - Adjust ignition timing correctly.
Improper valve setting - Adjust valves as required.
Stale gasoline - Change gasoline.
Excessive engine load - Load reducing required.
Engine oil level is low - Check and refill engine oil.
Low idle speed adjustment is incorrect - Adjust the low idle speed.
Fuel pump is damaged or dirty - Clean or replace fuel pump.
Worn main bearings or crankshaft - Install new parts as as required.
Valve clearance is incorrect - Check and adjust.
Worn cylinder bore or piston rings - Change faulty parts.
Clogged or improperly adjusted carburetor - Clean or correctly adjust carburetor.
Dirty air filter element - Replace or clean air filter.
Fuel pump is faulty or clogged - Service or replace fuel pump.
Ignition system malfunction - Check ignition system and replace faulty parts.
Worn cylinder head gasket - Cylinder-head gasket replacement required.
Burned or stuck valves - Service or change valves.
Push rod is worn or damaged - Replace push rod.
Cylinder block parts are faulty - Defective components need to be replaced.
Dirty oil filter element (if equipped) - Change or clean oil filter.
Choke opening is not full - Replace or adjust choke cable.
Carburetor main jet is incorrectly adjusted - Adjust main jet as required.
Spark plug is defective or loose - Spark plug need to be tightened or replaced.
Valves are worn, stuck, or burned - Clean or change valves.
Worn piston, rings, or sleeve - Change faulty parts.
Valve clearance is incorrect - Need to adjust valve clearance.
| Excessive engine oil consumption |
Seals or gaskets are defective - Replace to repair leaks.
Valve guides and stems are worn - Replace the valves.
Stuck or defective piston rings - Install new piston rings.
Cylinder liner or piston is scored - Check liner and piston, replace as required.
Breather pipe or hose is clogged - Replace or clean.
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