50cc Scooter only runs when manually choking air intake


Can you run a moped with no air filter?

When you run without an airfilter, it’s basically like running your scooter with a much smaller carburetor jet. It gets too much air for the amount of fuel going into the engine.

Why does my scooter dies when I give it gas?

its your crank seals they are going bad. as you give it more throttle more air leaks and possibly gas into the bottom end. and you lose compression and bog down.

How does auto choke work on scooter?

How does an automatic choke work? Inside the automatic choke there is a small wax capsule with a heater coil wrapped around it. When the engine is started a voltage is applied to the heater and the wax heats up. As the wax begins to heat it expands and pushes the plunger out slowly.

Why does my scooter not accelerate?

Carbon, oil residue and pitting on the spark plug electrodes will cause a weak or inconsistent spark, resulting in poor ignition and poor acceleration. A clogged air filter may not allow a sufficient amount of air into the combustion chamber, making the air/fuel mixture overly rich and causing poor acceleration.

What happens if we remove air filter from bike?

Wonder what would happen if the filter is removed completely? All the impurities in the air will enter the engine, mix with the engine oil, and circulate around the internals. This can cause scratches or lead to friction which could chip away parts of metal from the internals, which would then mix with the oil.

Can you start a motorcycle without an air filter?

For a quick answer – yes, your motorcycle will start and can still run (at limited capacity) without an airbox on – although I don’t recommend you to do that. Your engine will run lean and get damaged from the impurities and dirt that could enter.

Why does my moped turn off when I accelerate?

It really sounds like your main jet is clogged. You can loosen the hose clamp holding the carburetor, then twist the carb a little to break it loose from the intake. Take pictures or tag all hoses and electric choke wires then remove them from the carb.

Why does my scooter not engage when I apply the throttle?

Try the following: Check for loose connection(s) underneath the deck plate. If there are loose connection(s), reconnect them. If there are NO loose connection(s), replace reset button/power switch.

When I open the throttle the engine dies?

A clogged air filter will starve the engine of oxygen, causing the engine to die at full throttle. A clogged air filter will often cause your engine to idle rough as well. As part of your normal maintenance routine, you should check the air filter for heavy build-up, and replace if necessary.

What causes bogging down when accelerating?

What Causes Engine Bogging? Inefficient fuel or air flow, ignition to the carburetor, or an inability to start the engine are common causes of engine bogging out. You may need to clean the air filter and see if the problem disappears if it is clogged or has a lot of dirt in it.

What causes bogging on acceleration?

There are different reasons why an engine bogs out under acceleration: The most common reason is that your air/fuel mixture is inefficient or dirty. If your air filter is clogged or has a lot of dirt. It could be bogging down the engine.

Why does my 50CC scooter lose power?

There are basically three issues that can cause this problem; bad fuel, clogged fuel filters, or carburetor / fuel injector issues. The best way to solve this issue is to empty the fuel tank, inspect all fuel lines and filters, and clean the fuel system (carburetor or fuel injector).

Why is my bike losing power when I accelerate?

You may have excess slack on the throttle cable where it is connected to the carburetor. This in turn will lessen it’s ability to open the butterfly valve because it’s not giving it a full pull. You will have an uneven air and fuel mix which will cause your motorcycle to lose power when accelerating.

Why is my moped sputtering?

There are several reasons why a motorcycle sputters. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. Other culprits could include corroded or cracked spark plugs or spark plug wires, a faulty ignition coil, a clogged air filter, or engine timing issues.

How do you Derestrict a 50cc scooter?

The speed of your 4-stroke, 50CC scooter is restricted by a small washer found in the scooter’s variator system. Removing this washer will derestrict the speed, allow your scooter to accelerate quicker and travel faster.

How fast can an unrestricted 50cc go?

How much zip can you expect? 50cc engines are expected to reach a maximum speed of 30 miles per hour (mph) if restricted. If unrestricted, 50cc engines have been reported to reach up to 43 mph without additional modifications.

What does Derestricting a moped mean?

Derestricting your 50cc scooter allows the scooter to accelerate quicker and travel at a greater top speed; this makes for a safer and easier ride on larger roads. Most 50cc scooters are restricted by the placement of a spacing washer in the drivetrain system, also known as the variator system.