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Vapor lock
Vapor lock








The energy concentration is rapidly diminished if your fuel lines contain gasoline as a vapor and not as a liquid. Recall the cliche “running on fumes?” This is not a good condition and expresses a sense of dread. We know this isn’t good if your motorcycle gas engine is only filled with vapors. We get problems everywhere the gasoline starts to change from a liquid state to a gaseous state. Up to where the gasoline is introduced into the engine’s air intake.In the motorcycle engine, it’s easy to figure out where the gasoline is supposed to be in the liquid phase: When a section in the file system expects nice, concentrated gasoline in its liquid phase but only has the gas phase as gasoline vapor, we get a vapor lock. This is where the vapor lock interferes with the operation of the engine. Well, as long as gasoline is vapor where it’s supposed to be and a liquid where it’s supposed to be, conditions in the engine are better set up to operate as designed. This is good, so the gasoline can move towards the engine as a concentrated liquid and then easily vaporized when needed to prepare for energy extraction. So gasoline contains energy that is extracted best when it’s vaporized, and gasoline vaporizes quickly with high volatility and higher vapor pressure. Well, what does this mean for our motorcycle engine or any engine? Gasoline is a liquid, and as I learned in fire fighting school, it really doesn’t burn well compared to how gasoline is supposed to burn as a gas vapor. Restarting the engine from this state may be difficult.

vapor lock

This disrupts the fuel pump’s operation, causing feed pressure loss to the carburetor or fuel injection system, resulting in transient loss of power or complete stalling. Vapor lock is a problem caused by liquid fuel changing state to gas while still in the fuel delivery system of gasoline-fueled internal combustion engines. It just scratches the surface, and then we can take steps to dive deeper. So What Is Engine Vapor Locking?Ī quick Wikipedia Search generates this rather generic response, but this is what we love about Wikipedia. Or, more importantly, my carburetor fuel lines were vapor locking. OK, one problem I had to deal with living down south at the time was very high temps, which led to starting problems, and I found it was that my engine was vapor locking. It ran, it was a great first car(for driving and working on), and I had lots of memories in that car spending time with my Wife on road trips and visiting sites. It seems he tightened every bolt, cleaned the engine compartment of oil leaks and dirt, and got it ready for reselling.

vapor lock

Well, this car was in ‘good’ working order, but the seller spent more time bonding it than actually repairing/tuning it up. Being in the military, we were both poor and often naive. I knew the guy selling it liked buying cheap cars, fixing them up, and then flipping them to other sailors. It has problems, but I bought it for $1800, in cash, from another sailor when I was in the US Navy. I am a late bloomer in the carburetor age of car engines, but my first car had a carburetor, a 1984 Toyota Corolla.

vapor lock

My Background, With Carburetor-ed Engines. I felt much of the information posted was incorrect and thought I would do a quick post not about how motorcycle engine vapor lock isn’t affecting my Boom Vader, but what vapor lock is and how it affects the engine. I’ve been having issues with my new Boom Vader motorcycle, a Grom Clone, and found references to the source being a motorcycle engine vapor lock.










Vapor lock