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Check fuel filter. It maybe clogged. If still no fuel then check for fuel pump relay and or fuses. If still no fuel then replace fuel pump. And at same time replace fuel filter
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Do not know where to begin. Does the engine have compression? Are the valves adjusted correctly? Is it getting fuel, fresh fuel? Is there a spare to the spark plug? Is voltage getting to the ignition system, all fuses ok?
are you into troubleshooting? Probably not, but one must have fuel, ignition, and air to make things burn or run an ICE.
What don't you have?
Is there an ignition source? Did you pull the spark plug and verify it will spark?
Is there fuel? No, not in the tank, it must be getting to the engine.
Is the spark plug wet? If it isn't wet with fuel, you are not getting fuel.
Is there air? No, not what you are breathing, but getting to the carburetor. Did you check the air cleaner?
Hey Timothy,
First, make sure the kill switch is not on "kill"
An internal combustion engine needs three things to run:
1. A properly timed spark - 2. delivery of a proper air/fuel ratio - 3. adequate compression >120PSI. (make sure air filter is clean and treated) NOW -
1. Install a new, correct, spark plug. - MAKE SURE it firing.
2. Make sure you are getting fuel to the carburetor.
3. Make sure you are getting fuel THROUGH the carburetor.
4. Make sure you have compression. 120psi+
One (or more) of these 3 requirements is NOT happening.. eliminate one at a time!!
could be lots of things. you'll need to clean the carbs and the whole fuels system too. see if you're getting spark. if the motor sucked in water it could've be done for also.
Have you checked the Spark Plug ? No Spark & No Fuel means not going to start and run. If you are getting fuel then your Spark plug may need to be cleaned or replaced or even re-gaped. Spark plugs have a tendency to get fouled out. Meaning oil gets on it and it can not throw a good spark. If you do have a good spark then check the choke and or the float in the carb.
Not starting issues are usually spark or fuel problems. If you have gas getting to the carb then check your spark. First check all the wire connectors and plug wire to make sure everything is connected. If you find a loose connection fix it then try it. If not, then remove the spark plug but leave it attached to the plug wire set it on the cylinder head and turn the engine over. You should see a bright spark. If you have a really weak spark or none at all, then it may be your ignition coil or a related ignition part.
Hello Anon..
First, I would check to make sure the carbs are getting fuel, and then fuel getting into the cylinders. Your question about low oil - did you let it get low and then it quit? ...
If you put oil into the cylinders and only got 100psi, this might be your problem. You should be pumping around 120+psi without putting anything into the cylinders... Recheck the compression.= .take out all spark plugs...screw the gauge in until the o-ring seats, hold the throttle wide open while spinning the engine over for about 5 seconds... you should get 120psi +/- 10psi.
If you are getting less than 100psi.. it might be time for a rebuild..
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