Brand new ColmeanCT200U-EX not wanting to stay running

Why does my Coleman mini bike stall?

Dirty Air Filter

As the air filter cleans the air entering the carburetor, it will eventually become dirty or clogged and may prevent the proper amount of air from mixing with the fuel, causing your engine to stall.

Why is my Coleman mini bike backfiring?

Backfiring happens when there is a malfunction in your dirt bike’s emission system, where incorrect quantities of the air-fuel mixture lead to incomplete combustion. A backfire can happen on acceleration, de-acceleration, and start-up.

How fast does a Coleman CT200U-ex go without governor?

The Governor in the engine limits the engine to only make 3600 rpm at max. If you remove the governor, your engine can potentially make up to 4500-5000 rpm. Removing the governor will make your Coleman CT200U’s top speed 30 mph (give or take 2-3 mph depending on your weight).

What do you do when your mini bike wont start?

If you are have trouble starting your bike please try the following:

  1. 1 Check your fuel mix. …
  2. 2 Drain the carb to refresh fuel. …
  3. 3 Choke is not always necessary. …
  4. 4 Check for a spark at the spark plug, this will tell you if there is either a fault.
  5. 5 Clearing a flooded engine.

Why does my dirt bike only runs on choke?

If a motorcycle or ATV only runs with the choke on, it’s because the richer “choke on” mixture is actually closer to the engine’s normal operating fuel mixture than the leaner “choke off” mixture. So when the choke is turned off, the engine gets too little fuel and too much air for it to run and it stalls.

Why does my motorcycle sputter and backfire?

A motorcycle backfire is caused by a mismanaged air to fuel ratio in the engine of your motorcycle. Anything that interferes with that delicate balance between too much fuel (running rich) and too much air (running lean), can be considered a cause of backfiring.

Why does my dirt bike backfire when I try to start it?

Why Do Dirt Bikes Start Backfiring? If you want to know why your motorcycle backfires, it is because the engine runs either too strong or too rich. When you hear that the motorcycle’s engine is running too strong, that means that there is considerably more air than fuel.

Why does my bike backfire when I start it?

Most motorcycles backfire on startup if they’re running rich, either from a faulty carburetor, jet, needle or from excessive uncombusted fuel in the exhaust system. Running rich means the fuel in the engine is more than the required air-fuel mixture.

Why does my dirt bike not stay on?

Air filter issues

Unless your bike has good airflow, it is more likely to stop running after it starts. Check the air filter and clean it if it is dirty. Replace it if it’s falling apart. The box around the filter should be clean and free of obstructions.

Where do you spray starter fluid on a Coleman ct200u?
So whatever you're trying to start you want to put it into the carburetor or the air filter.

What do you do when your Coleman mini bike wont start?
And so just make sure that you have that pushed in it's nice and tight uh the third thing is going to be the spark plug. So just make sure that your spark plug.

How do I start my Coleman ct200u ex?


  1. Place the fuel valve (1) to the “ON” (right) position.
  2. If engine is cold, place the choke lever (2) to the “ON” (left) position.
  3. Place the ON/OFF switch (3), located on the handlebars, to the (on)position.
  4. Pull the starter recoil cord to start the engine.

What kind of oil does a Coleman ct200u take?

SAE10W-30 motor oil

The recommended oil for this Mini Bike is SAE10W-30 motor oil, if this oil is not available, any of the oils on the chart below will work.

How do you fix a dirt bike that won’t start?

Step 1: Follow These Steps to Get Your “Mad Motor” Running

  1. Make sure the gas line is ON.
  2. Make sure you have gas in the dirt bike.
  3. Make sure the spark plug boot is pushed in.
  4. Make sure you have spark. …
  5. Use choke.
  6. If the motor has not run in a long time (i.e. more than 1 year), you should put new gas in it.

How do you know if your spark plug is bad on dirt bike?

Signs Your Motorcycle Spark Plugs Have Gone Bad

  1. Misfiring Issues. One of the common signs of bad spark plugs is a misfiring engine. …
  2. Backfiring Issues. …
  3. Flooded Engine. …
  4. Strong Smelling Gas or Gas Spraying Out of the Exhaust. …
  5. Check the Condition of Your Spark Plugs. …
  6. Replace Your Spark Plugs.

How do you know if your dirt bike is flooded?

Symptoms of flooding include:

  1. Non starting.
  2. Strong smell of raw gas.
  3. Gas in the air box.
  4. Gas leaking from the carburetor.
  5. Gas leaking from the exhaust.
  6. Black smoke on start-up.