Kawasaki FS651V Troubleshooting
| Engine Model: Kawasaki FS651V |
| Engine Type: 4-cycle V-Twin cylinder OHV vertical shaft air-cooled gasoline |
| Total Displacement: 44.3 cu.in (726 cc) |
| Rated Engine Power: 18.8 Hp (14.1 kW) at 3600 rpm |
| Carburetor Type: Single barrel with fixed main jet |
____________________________________________________________________________________
| Engine starts up hard or will not start |
No fuel in fuel tank - Fill it up.
Incorrect fuel grade - Change gasoline.
Air in the fuel system - Air bleeding.
Damaged spark plug wiring connection - Check spark plug wiring connection, repair or change.
Defective spark plug - Replace spark plug.
Fuel filter is clogged - Fuel filter needs to be replaced.
Brake pedal not depressed - Press the brake pedal.
Wrong carburetor adjustment - Adjusting carburetor correctly.
Poor engine compression - Check cylinder block and replace damaged components.
Choke cable is not adjusted properly or worn - Change cable or adjust correctly.
Air intake screen is blocked - Wash or clean as required.
Ignition system failure - Test ignition and replace failed parts.
Stuck or faulty choke cable - Service or change the cable.
Plugged air filter - Replace or service air filter.
Fuel pump is dirty or defective - Check fuel pump and change if required.
| Engine starts but stalls suddenly |
Spark plug is faulty - Replace spark plug.
Defective or clogged carburetor - Replace or service carburetor.
Damaged ignition coil - Replace ignition coil as necessary.
Broken or bad valve springs - Change valve springs.
Valves are stuck - Clean the valves.
Engine oil insufficient - Checking oil level and add if necessary.
Engine overloaded - Reduce engine load.
Air intake grill is clogged - Need to clean or wash.
Too lean fuel mixture in carburetor - Adjust carburetor correctly.
Ignition timing is improper - Set the ignition timing correctly.
Incorrect valve setting - Valves needs to be set correctly.
Stale fuel - Use correct fuel.
Engine is overloaded - Reduce the load.
Not enough engine oil - Fill up the oil to required level.
Incorrectly adjusted low idle speed - Adjust idling as required.
Dirty or faulty fuel pump - Check fuel pump and replace if necessary.
Worn main bearings or crankshaft - Have bearings or crankshaft replaced.
Incorrect valve clearance - Check and adjust.
Cylinder bore or piston rings are worn - Change defective components.
Carburetor is incorrectly adjusted or dirty - Adjust the carburetor correctly or clean it.
Plugged air filter - Change or clean air filter.
Fuel pump is damaged or dirty - Clean or replace fuel pump.
Defective ignition system - Test ignition and replace failed parts.
Damaged cylinder-head gasket - Install new head gasket.
Valves are stuck or burned - Clean or change valves.
Push rod is worn or damaged - Push rod needs to be changed.
Faulty cylinder block components - Replace defective parts as required.
Oil filter is dirty (if equipped) - Replace or service oil filter.
| Excessive fuel consumption |
Insufficient choke opening - Inspect choke cable and adjust as required.
Carburetor main jet is incorrectly adjusted - Adjust it correctly.
Loose or faulty spark plug - Re-tighten or replace spark plug.
Stuck, worn, or burned valves - Service or replace valves.
Worn piston, rings, or sleeve - Replace defective parts as required.
Valve clearance is incorrect - Adjust to proper valve clearance.
| Excessive oil consumption |
Gaskets or seals may be damaged - Replace defective parts.
Valve stems and guides are worn - Install new valves.
Seized or wear piston rings - Install new piston rings.
Cylinder liner or piston is scuffed - Check piston and liner, install new parts as required.
Blocked breather hose or pipe - Change or service.
____________________________________________________________________________________
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
| Industrial Engines Technical Specifications |
