How do I fix the vapor lock on my motorcycle?

The fix is to drill a hole in the cap, or get a new cap that has a vent hole. After that it’s always going to vent no matter the temperature, or altitude changes. There should never be a need to burp the tank after that. There’s no difference between a properly vented tank, and a tank without a gas cap, or a loose cap.

What happens when a motorcycle vapor locks?

It’s a uniquely modern problem. Vapor lock happens when your fuel boils in your carburetor or your fuel line. Vaporized fuel creates back pressure in your fuel system and prevents gas from getting to your engine. Its boiling point is much lower than fuel blends of the past, and it’s more volatile.

How do you cure vapor lock?

Pour cold water over the fuel pump and fuel lines while the ignition is in the off position. This will quickly cool down the fuel pump and condense the fuel from vapor back to liquid form, eliminating the vapor lock in the fuel pump and lines.

What weather does vapor lock occur?

hot weather
During very hot weather, gasoline can simmer or boil and turn to a vapor, creating a condition called vapor lock. Your engine stops running or locks up. If your engine becomes vapor locked, turn it off and let it cool down.

What temperature does gasoline vapor lock?

When modern injection motors break down after traveling for a long distance, some might not be able to restart right away. This is because those new motors reach temperatures of up to 120–140 °C, and vapor lock is likely to occur at such high temperatures.

How do I stop my carburetor from vapor locking?

The first step in preventing vapor lock is to rout fuel lines away from exhaust parts, heater hoses, etc. You can also use Heat Shields where possible. Another option is to install an Electric Fuel Pump near the tank. This pressurizes most of the fuel in the lines.

How do you stop vapor lock?

What temp does fuel vapor lock?

In general, vapor lock occurs at very extreme temperatures that could reach 100 Fahrenheit, if not higher. However, there are some instances where vapor lock might also occur under lower temperatures as well.

How do I get vapor lock off my cooling system?

The simplest remedy for an air lock is cycling the system. Start the engine run it up to temperature, shut it off, allow the engine to cool and repeat as required. Normally 1 or 2 heat cycles will show the level change and topping of indicates the air has moved though the system.

What causes vapor lock engine?

Vapor lock can affect any kind of engine during normal operation where the outside ambient temperature remains high, or the fuel system becomes overheated because of high engine temperatures or lack of insulation. Fuels that have high volatility can also cause vapor lock.

What is vapor lock symptoms?

Vapor lock occurs when the gas in a fuel line turns from liquid to vapor, before it reaches the engine. The first signs of vapor lock are normally when your engine begins to run roughly. The engine may sputter and hesitate. It will then stall completely and refuse to restart.

What is auto vapor lock?

Vapor lock occurs when the car engine gets heat up with continuous acceleration and deceleration. The automobile engine has to work harder during the hot summer days. An automobile engine runs hotter than usual in the stop-go traffic. This extreme heat vaporizes the fuel in carburetor and fuel pump.

What is vapor locked?

Jeff Smith: Vapor lock is a term used to describe when fuel changes from a liquid to a vapor before it arrives at the carburetor.