What causes a Kohler Crankshaft engine to run but miss?
If your Kohler Crankshaft engine runs but misses, check for dirt or water in the fuel system and ensure the spark plug lead is connected. Poor fuel quality, faulty spark plug(s), loose wires or connections, an overheated engine, faulty ignition coil(s), an incorrect crankshaft position sensor air gap, or insufficient voltage to the electronic control unit could also be the cause.
Why won't my Kohler Engine start?
If your Kohler Engine won't start, it might be due to several reasons: a battery connected backwards (check the connections), a faulty spark plug (inspect and replace it), the choke not closing (ensure it functions correctly), a fuel shut-off valve being closed (open it), or the key/kill switch being in the OFF position (switch it to ON). Also, consider that the fuel tank might be empty (refill it) or the fuel might be of poor quality (replace it with fresh fuel).
Why does my Kohler Engine start but not keep running?
If your Kohler Engine starts but doesn't keep running, consider these potential causes: a faulty carburetor (replace or repair it), a faulty cylinder head gasket (replace it), or misadjusted choke or throttle controls (adjust them). Also, check for a fuel pump malfunction or a clogged/leaking vacuum hose, and repair the fuel pump if needed. An intake system leak could also be the culprit, so repair any leaks. Ensure you're using clean, fresh fuel, and check for a restricted fuel tank cap vent, clearing or replacing it as necessary. Finally, look for loose wires or connections that might be grounding the ignition kill circuit intermittently; secure any loose connections.
Why is my Kohler Crankshaft engine so hard to start?
If your Kohler Crankshaft engine is hard to start, make sure the PTO drive is not engaged. Check for dirt or water in the fuel system, a clogged fuel line or fuel filter, and loose or faulty wires or connections. Faulty spark plugs, low compression, a weak spark, a fuel pump malfunction causing lack of fuel, an overheated engine due to restricted cooling/air circulation, poor fuel quality, a sheared flywheel key, an intake system leak, or faulty or improperly adjusted throttle controls could also be the reason.
What to do if Kohler Command PRO ECV749 engine will not crank?
If your Kohler Crankshaft engine will not crank, verify that the PTO drive is not engaged and that the battery is not discharged. Ensure the safety interlock switch is not engaged and check for loose or faulty wires or connections. A faulty key switch or ignition switch, a faulty electric starter or solenoid, seized internal engine components, a blown fuse, insufficient voltage to the electronic control unit, or a faulty electronic control unit could also prevent the engine from cranking.
What to do if Kohler Crankshaft operates erratically?
If your Kohler Crankshaft operates erratically, it is recommended to have a Kohler authorized dealer service or replace major engine components.
What to do if Kohler Crankshaft lacks power?
If your Kohler Crankshaft lacks power, it is recommended to have a Kohler authorized dealer service or replace major engine components.
What to do if Kohler Crankshaft stops suddenly?
If your Kohler Crankshaft stops suddenly, service or replace major engine components only by a Kohler authorized dealer.
Why does my Kohler Command PRO ECV749 engine start but not stay running?
If your Kohler Crankshaft engine starts but doesn't keep running, consider these potential issues: a restricted fuel tank cap vent, poor fuel quality or contaminants in the fuel system, loose wires or connections, a faulty cylinder head gasket, an intake system leak, faulty ignition coil(s), faulty or improperly adjusted throttle controls, a vacuum fuel pump malfunction (or oil in the vacuum hose), a leaking or cracked vacuum hose to the fuel pump, a blown fuse, or insufficient voltage to the electronic control unit.
Why is my Kohler Command PRO ECV749 Crankshaft engine losing power?
If your Kohler Crankshaft engine is losing power, consider these potential causes: Check for low or high crankcase oil levels. Ensure the air cleaner element is clean. Verify that the fuel system is free from dirt or water and that you are not experiencing excessive engine load. Overheating, faulty spark plugs, low compression, exhaust restriction, a low battery, or an incorrect governor setting could also be contributing factors.
General| Crankshaft Orientation | Vertical |
|---|---|
| Displacement | 747 cc |
| Crankshaft Diameter | 1.125 inches |
| Crankshaft Keyway | 1/4 inch |
| Bore | 3.27 inches |
| Maximum Power | 3600 RPM |
| Oil Capacity | 2.0 quarts |
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