Kawasaki FX801V Troubleshooting
| Engine Model: Kawasaki FX801V |
| Engine Type: 4-cycle V-Twin cylinder OHV vertical shaft air-cooled gasoline |
| Total Displacement: 52 cu.in (852 cc) |
| Rated Engine Power: 26.6 Hp (19.8 kW) at 3600 rpm |
| Carburetor Type: Two barrel with fixed main jet |
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| Engine starts up hard or won't start |
Empty gas tank - Fill fuel up.
Incorrect fuel grade - Use quality fuel.
Dirty fuel lines - Inspect and clean.
Spark plug wire is disconnected or loose - Check the spark plug wire connection, repair or replace.
Defective spark plug - Change spark plug as required.
Dirty fuel filter - Change fuel filter.
Brake pedal not pushed down - Push the brake pedal down.
Carburetor is dirty - Wash, clean and adjust.
Poor engine compression - Check cylinder block and replace damaged components.
Unadjusted or worn throttle cable - Adjust properly or change the cable.
| Engine runs intermittently |
Clogged cooling fins - Clean and wash as required.
Ignition failure - Inspect ignition system and change failed components.
Choke cable is faulty or stuck - Clean or replace the cable.
Clogged air filter - Service or replace air filter.
Dirty or damaged fuel pump - Clean or change fuel pump.
| Engine stalls after starting |
Faulty spark plug - Change spark plug.
Defective or dirty carburetor - Replace or service carburetor.
Ignition coil is damaged - Install a new ignition coil.
Broken or bad valve springs - New valve springs need to be installed.
Stuck valves - Valves must be cleaned.
Insufficient engine oil - Checking oil level and add if necessary.
Engine is overloaded - Reduce the load.
Plugged cooling fins - Clean and wash as required.
Carburetor fuel mixture is too lean - Adjust carburetor correctly.
Improper ignition timing - Ignition timing needs to be adjusted correctly.
Valve setting is wrong - Set the valves properly.
Stale or low octane fuel - Use proper fuel.
Engine is running overloaded - Reduce the load.
Not enough engine oil - Checking oil level and add if necessary.
Incorrectly set low idle speed - Correct the settings.
Dirty or faulty fuel pump - Clean or replace fuel pump.
Main bearings or crankshaft failure - Need to install new components.
Excessive valve clearance - Adjust valve clearance.
Piston rings or cylinder bore are damaged - Change faulty components.
| Engine power is insufficient |
Clogged or incorrectly adjusted carburetor - Service or correctly adjust carburetor.
Dirty air filter element - Service or replace air filter.
Fuel pump is dirty or defective - Test fuel pump and replace if necessary.
Ignition failure - Check ignition system and replace faulty parts.
Defective cylinder head gasket - Install new head gasket.
Burned or stuck valves - Service or change valves.
Push rod is worn or defective - Change push rod.
Cylinder block parts are faulty - Change defective components.
Dirty oil filter element (if equipped) - Clean or replace oil filter.
| Engine uses too much fuel |
Throttle is not fully open - Change or adjust throttle cable.
Carburetor main jet adjustment is incorrect - Adjust the carburetor main jet properly.
Loose or defective spark plug - Re-tighten or replace spark plug.
Stuck, burned, or worn valves - Replace or service valves.
Sleeve, piston, or rings are damaged - Replace faulty parts.
Valve clearance is incorrect - Adjust to proper valve clearance.
| Engine oil consumption is too high |
Gaskets or seals may be damaged - Defective components must be replaced.
Valve guides or stems are damaged - Install new valves.
Piston rings are stuck or broken - Change piston rings.
Scuffed piston or cylinder liner - Check liner and piston, replace as required.
Plugged breather hose or pipe - Replace or service.
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