Kawasaki FD711D Troubleshooting
| Engine Model: Kawasaki FD711D |
| Engine Type: 4-cycle V-Twin cylinder OHV horizontal shaft liquid-cooled gasoline |
| Total Displacement: 45.5 cu.in (745 cc) |
| Rated Engine Power: 25 Hp (18.6 kW) at 3600 rpm |
| Carburetor Type: Float with fixed main jet |
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| Engine doesn't start or starts hard |
Fuel tank is empty - Add gasoline.
Wrong grade of gasoline - Use quality fuel.
Fuel system clogged - Repair or replace.
Loose or disconnected spark plug wire - Check spark plug wiring connection, repair or change.
Faulty spark plug - Install new spark plug.
Clogged fuel filter - Replace fuel filter.
Brake pedal not pushed down - Push the brake pedal down.
Incorrect carburetor adjustment - Adjust carburetor idle mixture screw.
Poor engine compression - Check cylinder block and replace damaged components.
Throttle cable is worn or adjusted improperly - Adjust correctly or change the cable.
Clogged cooling fins - Clean and wash as required.
Ignition system failure - Inspect ignition system and change failed components.
Stuck or defective choke cable - Service or change the cable.
Dirty air filter element - Clean or change air filter.
Dirty or damaged fuel pump - Inspect fuel pump and change as required.
| Engine starts and stalls suddenly |
Spark plug is faulty - Change spark plug as required.
Clogged or defective carburetor - Carburetor needs to be replaced or cleaned.
Faulty ignition coil - Change ignition coil as required.
Valve springs are worn or loose - Change valve springs.
Stuck valves - Valves need to be cleaned.
Engine oil insufficient - Add oil to the engine crankcase.
Engine overloaded - Load reducing required.
Cooling fins are blocked - Clean and wash as required.
Carburetor is running lean - Adjust carburetor correctly.
Ignition timing is improper - Ignition timing needs to be set properly.
Improper valve setting - Set the valves properly.
Stale fuel - Use proper gasoline.
Engine is running overloaded - Reduce engine load.
Engine oil level low - Check and refill engine oil.
Incorrect low idle setting - Adjust the low idle speed.
Dirty or faulty fuel pump - Test fuel pump and change if necessary.
Crankshaft or main bearings wear - Have bearings or crankshaft replaced.
Valve clearance is incorrect - Check and adjust.
Cylinder bore or piston rings are worn - Replace faulty parts.
Dirty or incorrectly adjusted carburetor - Adjust carburetor properly or service it.
Air filter element is plugged - Change or clean air filter.
Fuel pump is defective or dirty - Inspect fuel pump and change as required.
Defective ignition system - Inspect ignition system and change failed components.
Worn cylinder head gasket - Replace cylinder head gasket.
Burned or stuck valves - Service or change valves.
Bent or worn push rod - Push rod needs to be changed.
Worn cylinder block components - Replace defective parts as required.
Clogged oil filter (if equipped) - Change or service oil filter.
| Excessive fuel consumption |
Insufficient choke opening - Inspect choke cable and adjust as required.
Improper adjustment of carburetor main jet - Adjust it correctly.
Spark plug is faulty or loose - Replace or tighten spark plug.
Valves are stuck, worn, or burned - Service or change valves.
Worn piston, rings, or sleeve - Replace defective components as required.
Incorrect valve clearance - Adjustment procedure required.
| Engine using too much oil |
Worn gaskets or seals - Worn parts need to be replaced.
Valve stems and guides are worn - Valves replacement required.
Piston rings are stuck or broken - Change the piston rings as required.
Cylinder liner or piston is scored - Inspect liner and piston, fit new parts as necessary.
Clogged breather pipe or hose - Clean or replace.
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