Yamaha Gas Golf Cart Troubleshooting Guide for all Problems

You might find yourself having some trouble with your Yamaha Gas Golf Cart.

In this article, we’ll walk you through 8 Yamaha Gas Golf Cart Troubleshooting steps to help you get your golf cart back in working order.

Yamaha Gas Golf Cart Troubleshooting Guide

To carry out Yamaha gas golf cart troubleshooting, below are some common issues you can notice with your Yamaha gas golf, their causes, and how to fix them.

1. System Motor Doesn’t Turn

If your cart’s system won’t turn, it could be because of the following issues:

• A flat or low-charged battery.

To fix, charge your battery or replace it if it’s faulty.

• Corroded or loose battery and start motor terminals.

To fix, clean, and tighten the loose ends.

• Faulty wire connection.

To fix, replace the wire connection.

• Faulty ignition switch.

To fix, replace it.

• Blown fuse

To fix, replace it.

• Faulty solenoid

To fix, check your ground and power circuits. If they are in good condition, replace the solenoid.

• Faulty electrical ground

To fix, check for damage, and replace if required.

• Open armature and field coil.

To fix, replace or repair them.

• Faulty accelerator switch

To fix, check and adjust the accelerator switch. If no click is heard, replace it.

If you are unsure about your Yamaha golf cart’s exact model number, check out this article on Yamaha Golf Cart Models By Year.

2. Starter Turns but Slowly:

If your starter turns but does so too slowly, it can be because of the issues listed below:

• Weak battery

To fix, charge the battery or replace it if needed.

• Faulty connections and leads.

To fix, replace them.

• Faulty starter motor.

To fix, check and replace it if needed.

• Damages to the internals of the cart’s engine.

To fix, check the engine, and carry out required repairs.

• Overfilled engine.

To fix, drain oil to the normal level.

3. The Starter Rotates but Cart’s Engine Doesn’t Start or is difficult to:

• Weak battery.

To fix, charge your battery or replace it if needed.

• Corroded or loose battery terminals.

To fix, clean, and tighten them.

• Low gas level.

To fix, top up your gas.

• Spark plugs are damaged or not producing sparks.

To fix, replace plugs.

• Faulty coil wires.

To fix, replace them.

• Faulty Ignitor.

To fix, replace.

• Faulty pulse unit.

To fix, replace.

• Faulty gas pump.

To fix, replace.

• Wrong spark plug gap.

To fix, reset the gap to the recommended setting.

• Blocked or damaged gas line. 

To fix, clean up the gas line or replace it if damaged.

• Blocked master jet.

To fix, clean up the master jet.

• Limited movement in throttle lever.

To fix,  check all linkages and replace if needed.

• Contaminated carburetor or gas lines.

To fix, clean up the lines and carburetor.

• Blocked gas filter.

To fix, replace the gas filter.

• Wrong carburetor float settings.

To fix, check seats and adjust the float settings.

• Flooded engine. 

To fix, press the choke in and wait for 15 minutes for the fuel to drain, then attempt to start the cart again.

• Starved engine.

To fix, pull the choke out until the engine starts running smoothly, then press the choke in.

• Blocked Air Filter and Muffler

To fix, clean, or replace them.

• Poor Engine Compression

To fix, check and carry out required repairs.

4. Engine Runs Rough or Looses Power:

• Blocked air filter

To fix, clean, or replace.

• Incorrect choke adjustment

To fix, Adjust the choke.

• Damaged or incorrect gap spark plug.

To fix, repair or replace and set gaps.

• Faulty ignition

To fix, check and repair

• Carburetor gasket leaking gas

To fix, check and replace if needed 

• Faulty ignition wiring 

To fix, replace or repair 

• Faulty coil 

To fix, check and replace if needed.

• Incorrect valve lash.

To fix, Adjust valve lash.

• Damaged valve springs and exhaust valves 

To fix, replace 

• Incorrect carburetor float settings 

To fix, adjust the float settings 

• Contaminated carburetor 

To fix, clean gas lines and carburetor 

• Blocked gas tank vent

To fix, clean, or replace the gas vent cap 

• Damaged or blocked muffler 

To fix, replace or repair blocked mufflers.

• Damaged diaphragm in gas pump 

To fix, replace it.

• Low engine compression 

To fix, inspect the engine and carry out required repairs.

• Low quality gas 

To fix, drain the gas and replace it with a good one.

To avoid these issues, installing a lift kit will help. Check out this guide to choose the Best Lift Kit for Yamaha Golf Cart.

Common Problems with Yamaha Gas Golf Carts

In this article on Yamaha gas golf cart troubleshooting, we dive deep into common Problems with Yamaha Gas Golf Carts and how to solve them:

1. Yamaha Gas Golf Cart Turns Over but Won’t Start

• To troubleshoot your golf cart that turns over but won’t start, do the following:
• Turn on the key switch and press your foot down firmly on the accelerator while listening for a click sound. If you don’t hear the sound you have a battery problem.
• Check the battery to know if it’s fully charged and the terminals properly cleaned and secured. 
• Check if the water level is up to the plate and in cases of dropped water level, add distilled water. Check for leakages. If there are any, replace your battery.
• Check for corroded or melted wires and replace them.

2. Yamaha Gas Golf Cart Starting Problems

For a Yamaha gas golf cart that won’t start, try the following:

• Check your fuse panel for any faults: You can find the fuse panel near your battery. Look through your fuse box, find the one connected to your starter, and check if it is flipped or tripped. Try pushing it back and starting your cart again. If the fuse switches back after starting up your cart then you may have a wiring problem.
• Check for key switch issues: Your key switch may be worn out and need replacement. Open the panel by the key switch and find the ignition wire. Track the wire to the starter solenoid and check how well they are connected. You may need to repair or replace them using the right tools if you find the wire falling off or corroded. However, repairs like replacing the key switch should be done by professionals.
• Check for battery failure issues: In cases where your key switch is working properly but your cart isn’t starting. Turn off your cart and place it in a neutral position. Open the battery container and remove the connecting wire from your engine. Connect the battery terminals to a voltmeter and gauge how much electricity you are getting. If there isn’t any electricity, charge your battery for a long time. Tested the battery again. if it has some power but doesn’t hold as much as it should, the battery is failing and needs to be replaced.
• Check if your fuel level is sufficient: If it’s not, top up your fuel level. However, in cases of leakage, failed fuel pump, and faulty fuel filter, take your cart to a repair shop.
• Check for spark plug issues: Inspect the wires first and tighten or replace them, then try starting your cart again. If it doesn’t start, your spark plugs may have other issues and will need to be replaced.
  For carburetor and solenoid issues, take your car to a repair shop because these repairs are more complex.

3. Yamaha Gas Golf Cart Runs Then Stops

If your Yamaha cart runs and then stops, do the following:

• Inspect your spark plug to know if it is faulty. If the spark plugs are faulty, you should replace them.
• Check your carburetor for any damages and change them if required. Opt for an OEM make instead of aftermarket ones because they last longer.
• Check the air box and internal baffles to know if they are properly placed. If they are not, make sure the air box lid and internal baffles are seated tightly without moving.
• Check if your battery is low and charge fully if not.
• Check your fuel filter and ensure there’s sufficient fuel in it. Refill the full tank if required. Opt for a non-ethanol-based fuel.
• Inspect your fuel pump to ensure it is in good condition and replace it with an OEM pump if damaged.

4. Yamaha Golf Cart Won’t Go Forward or Reverse

• Open the shift casing to check if the shift fix is clogged. Clear off all the grease if it is clogged to get your cat moving. 
• Check your front and reverse switch and replace or repair them if required.
• If the controller for reverse is broken, take your cart to a professional for replacement.
• Check if the wires are correctly connected and try swapping them to see if your cart moves. 
• Switch on your accelerator to know if the cart has some jerky movements. Replace the accelerator if it is worn out.

Yamaha Gas Golf Cart Troubleshooting Manual

Check out these Yamaha Gas Golf Cart Troubleshooting Manuals for all models:

• Yamaha Umax Manual
• Yamaha Concierge 4 Manual
• Yamaha G29 Gas Manual
• Yamaha G22 Gas Manual

Why Did My Yamaha Golf Cart Stop Working?

Your Yamaha golf cart can stop working because of a low battery or battery failure, faulty ignition switch, damaged solenoid, faulty speed controller, and a faulty direction switch.

Where Is the Reset Button on A Yamaha Golf Cart Motor?

The reset button on your Yamaha golf cart is a red button located near the main power source. To find it, use a screwdriver to remove the motor cover. You will see it near the power source where most of the wires are connected.

Conclusion

Some issues manifested by our Yamaha carts can easily be identified and most times easily fixed ourselves. We hope this article on Yamaha gas golf cart troubleshooting has been helpful to you.