Kawasaki FS730V Troubleshooting
| Engine Model: Kawasaki FS730V |
| Engine Type: 4-cycle V-Twin cylinder OHV vertical shaft air-cooled gasoline |
| Total Displacement: 44.3 cu.in (726 cc) |
| Rated Engine Power: 22.2 Hp (16.6 kW) at 3600 rpm |
| Carburetor Type: Single barrel with fixed main jet |
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| Engine will not start or starts up hard |
Empty fuel tank - Add fuel.
Low-quality gasoline - Use correct gasoline grade.
Air trapped in fuel system - Bleed air.
Spark plug wire is loose or disconnected - Check spark plug wiring connection, repair or change.
Spark plug is damaged - Change spark plug as required.
Clogged fuel filter - Change fuel filter.
Brake pedal not depressed - Press the brake pedal.
Carburetor settings incorrect - Adjusting as required.
Poor compression - Inspect and replace wear parts.
Unadjusted or worn throttle cable - Change cable or adjust properly.
Cooling fins are clogged - Need to clean or wash.
Defective ignition - Check ignition system and replace faulty parts.
Throttle cable is faulty or stuck - Clean or change the cable.
Air filter element is plugged - Clean or replace air filter.
Fuel pump is clogged or faulty - Test fuel pump and replace if necessary.
| Engine stalls after starting |
Spark plug is damaged - Change spark plug.
Carburetor is clogged or defective - Repair or clean carburetor.
Ignition coil is not working - Replace ignition coil as necessary.
Loose or broken valve springs - Install new valve springs.
Stuck valves - Valves must be cleaned.
Not enough engine oil - Fill up the oil to required level.
Engine overload - Reduce engine load.
Clogged cooling fins - Clean and wash as required.
Carburetor is running lean - Adjust carburetor correctly.
Improper ignition timing - Adjust ignition timing correctly.
Improper valve setting - Set the valves properly.
Stale fuel - Use proper fuel.
Engine is running overloaded - Load reducing is recommended.
Engine oil level is insufficient - Add oil to the engine crankcase.
Low idle speed adjustment is incorrect - Need to adjust idle speed.
Dirty or defective fuel pump - Test fuel pump and change if necessary.
Crankshaft or main bearings are worn out - Replace crankshaft or bearings.
Valve clearance is incorrect - Check and adjust.
Worn cylinder bore or piston rings - Change defective parts.
Carburetor is clogged or incorrectly adjusted - Adjust the carburetor properly or clean it.
Air filter is blocked - Service or replace air filter.
Dirty or faulty fuel pump - Test fuel pump and change if necessary.
Ignition system malfunction - Check ignition and replace faulty components.
Blown cylinder head gasket - Cylinder-head gasket replacement required.
Burned or stuck valves - Clean or change valves.
Push rod is worn or defective - Install a new push rod.
Faulty cylinder block components - Change defective components.
Oil filter element is clogged (if equipped) - Clean or change oil filter.
| Engine uses too much fuel |
Choke did not open fully - Change or adjust choke cable.
Improper adjustment of carburetor main jet - Adjust the carburetor main jet correctly.
Faulty or loose spark plug - Spark plug need to be replaced or tightened.
Stuck, worn, or burned valves - Service or change valves.
Worn rings, piston, or sleeve - Replace defective components as required.
Valve clearance is wrong - Check and adjust.
| Engine consuming too much oil |
Seals or gaskets are wearing excessively - Change worn parts according to specifications.
Valve stems and guides are worn - Valves replacement required.
Worn or broken piston rings - Piston rings need to be replaced.
Piston or cylinder liner is scored - Check liner and piston, change as required.
Plugged breather hose or pipe - Service or change.
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