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Common causes of backfires are: Wankel rotary engines are known for leaking oil into the exhaust system which causes backfire. Poor or unregulated engine timing is often a cause of intake backfires, but can also be responsible for exhaust backfires. Backfires and loud explosion-like sounds are common when an antilag system is present and active.
The intake manifold vacuum, with wide open throttle, is lower in these conditions, which causes the PCV valve to open and the crankcase gases flow to the intake system. [13] The greater flow rate of intake air during these conditions means that a greater quantity of blow-by gases can be added to the intake system without compromising the ...
Motorcycle Accident Cause Factors and Identification of Countermeasures, Volume 1: Technical Report (cover page). The Hurt Report, officially Motorcycle Accident Cause Factors and Identification of Countermeasures, was a motorcycle safety study conducted in the United States, initiated in 1976 and published in 1981.
The sound of backfiring motorcycles sent the crowd in New York City's Times Square into a panic Tuesday night. Times Square panic: Video shows stampede as crowd mistakes motorcycle backfire for ...
Motorcycle riders with dirt bike experience are significantly underrepresented in the accident data. Lack of attention to the driving task is a common factor for the motorcyclist in an accident. Almost half of the fatal accidents show alcohol involvement. Motorcycle riders in these accidents showed significant collision avoidance problems.
US Navy motorcycle training at Imperial Beach. Motorcycle safety is the study of the risks and dangers of motorcycling, and the approaches to mitigate that risk, focusing on motorcycle design, road design and traffic rules, rider training, and the cultural attitudes of motorcyclists and other road users.
If detonation is allowed to persist under extreme conditions or over many engine cycles, engine parts can be damaged or destroyed. The simplest deleterious effects are typically particle wear caused by moderate knocking, which may further ensue through the engine's oil system and cause wear on other parts before being trapped by the oil filter.
Liquids inside an internal combustion engine are extremely detrimental because of the low compressibility of liquids. Although not the most common cause, a severely flooded engine could result in a hydrolock. A hydrolock occurs when a liquid fills a combustion chamber to the point that it is impossible to turn the crankshaft without a ...