How do you start a cold outboard motor?
How to Cold Start a Mercury Outboard Motor
- Put the motor in neutral and fast-idle.
- Push in the key, turn to start, and hold it in until the outboard starts up.
- Release the key.
- If the motor begins to stumble at this point, bump the key again to engage the choke & primer.
- Repeat until the engine is running smoothly.
How do you start a Yamaha 2 stroke outboard?
Five Steps to Starting an Older 2-Stroke Outboard Engine: Squeeze primer bulb till firm. Advance throttle in neutral to 2/3s. Turn key on, push to choke (or pull out choke) and crank at the same time. Release choke, return the throttle to neutral after ignition.
Why does my outboard take so long to start?
Dirty or damaged spark plugs make it difficult for your engine to crank. Inspect your spark plugs and replace any spark plugs that are broken or dirty. If the spark plugs in your marine engine are improperly gapped, this can also prevent your boat from starting by delaying engine combustion.
Do four stroke outboards have a choke?
First, when it comes to starting 4 stroke outboards, an EFI engine has the advantage. With no choke involved, it definitely makes starting your engine easier.
How do you start a 4-stroke boat engine?
How to Start an Outboard Motor
- Open the ventilation cap on the fuel tank.
- Tilt the motor into the water.
- Engage the kill switch on manual ignition motors.
- Squeeze the primer bulb.
- Put the gear shift lever in the neutral position.
- Turn on the choke.
- Start the ignition.
- Turn off the choke.
Why is my outboard hard starting?
Make sure the engine is primed with fuel and choked properly at start if necessary. Improperly connected spark plug wires can make starting your engine difficult. Make certain all spark plug wires are properly connected and free of breaks. Also, check that the distributor cap and rotor are functioning properly.
When should I use choke on outboard?
This is usually straight up. If the engine is cold, pull out the choke before attempting to start. If the motor is warm, don’t use the choke unless the engine does not start after a few pulls. On the throttle control arm, turn the hand grip until the arrow aligns with the start position.
What does choking an outboard do?
A choke valve is sometimes installed in the carburetor of internal combustion engines. Its purpose is to restrict the flow of air, thereby enriching the fuel-air mixture while starting the engine.