Kawasaki FD661D Troubleshooting
| Engine Model: Kawasaki FD661D |
| Engine Type: 4-cycle V-Twin cylinder OHV horizontal shaft liquid-cooled gasoline |
| Total Displacement: 37.7 cu.in (617 cc) |
| Rated Engine Power: 22 Hp (16.4 kW) at 3600 rpm |
| Carburetor Type: Float (down draft) with fixed main jet |
____________________________________________________________________________________
| Engine difficult to start or will not start |
Empty fuel tank - Fill it up.
Wrong grade of gasoline - Change fuel.
Air in the fuel pipes - Bleed the fuel pipes.
Spark plug wire is disconnected or loose - Check the spark plug wire connection, repair or replace.
Spark plug is damaged - Spark plug need to be replaced.
Fuel filter is plugged - Fuel filter needs changing.
Brake pedal not pushed down - Push the brake pedal down.
Carburetor is dirty - Wash, clean and adjust.
Bad compression - Check and change damaged parts.
Damaged or incorrectly adjusted choke cable - Adjust correctly or change the cable.
Air intake grill is clogged - Need to wash or clean.
Defective ignition system - Test ignition and replace failed parts.
Throttle cable is faulty or stuck - Service or change the cable.
Plugged air filter - Clean or change air filter.
Dirty or defective fuel pump - Check fuel pump and change if required.
| Engine stops after starting |
Spark plug is faulty - Replace spark plug.
Carburetor is faulty or dirty - Repair or clean carburetor.
Ignition coil is faulty - Ignition coil should be replaced.
Weak or damaged valve springs - New valve springs need to be installed.
Stuck valves - Service the valves.
Engine oil level low - Add oil to the engine crankcase.
Engine overload - Load reducing is recommended.
Clogged cooling fins - Need to wash or clean.
Too lean fuel mixture in carburetor - Use proper settings.
Ignition timing is wrong - Adjust ignition timing as required.
Improper valve setting - Adjust valves correctly.
| Abnormal engine knocking or noise |
Stale or low octane fuel - Use proper gasoline.
Engine overload - Reduce load.
Lack of engine oil - Check and refill engine oil.
Improperly adjusted low idle speed - Need to adjust idle speed.
Clogged or defective fuel pump - Inspect fuel pump and change as required.
Crankshaft or main bearings are worn out - Replace crankshaft or bearings.
Incorrect valve clearance - Adjust valve clearance according to specifications.
Worn piston rings or cylinder bore - Change faulty components.
Incorrectly adjusted or clogged carburetor - Carburetor needs to be adjusted correctly or cleaned.
Air filter element is clogged - Change or service air filter.
Fuel pump is defective or dirty - Test fuel pump and change if necessary.
Ignition system malfunction - Check ignition and replace faulty components.
Worn cylinder head gasket - Cylinder-head gasket replacement required.
Burned or stuck valves - Service or replace valves.
Push rod is worn or bent - Push rod needs to be changed.
Faulty cylinder block parts - Change defective components.
Dirty oil filter element (if equipped) - Clean or replace oil filter.
Choke doesn't open well - Adjust or replace choke cable.
Incorrect carburetor main jet adjustment - Adjust main jet as required.
Spark plug is faulty or loose - Spark plug need to be tightened or replaced.
Worn, stuck, or burned valves - Change or clean valves.
Rings, sleeve, or piston are damaged - Change faulty parts.
Excessive valve clearance - Adjust valve clearance.
| Excessive engine oil consumption |
Seals or gaskets are defective - Change worn parts according to specifications.
Worn valve stems and valve guides - Valves must be replaced.
Damaged or seized piston rings - Change piston rings.
Piston or cylinder liner is scuffed - Inspect liner and piston, change as necessary.
Blocked breather hose or pipe - Service or replace.
____________________________________________________________________________________
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
| Industrial Engines Technical Specifications |
