Honda rider Marquez was beginning a flying lap in the closing stages of FP2 when he lost the front-end of his bike braking into Turn 1.
At the same time, Zarco was exiting pitlane and was wiped out by the errant Honda, which ripped the front wheel of the Ducati off.
Both riders were unscathed in the incident, but Marquez feels Zarco should have been looking for oncoming traffic as he exited pitlane.
All replays of the incident failed to catch what Zarco was doing prior to him entering Turn 1, at which point he appears to look behind him in reaction to hearing Marquez crash.
Asked if he could see Zarco coming, Marquez said: “I mean, this is a question you need to ask to him because you know that if I’m a guy that does a mistake, I say it’s my mistake.
“But this time I’m angry because if somebody could have avoided that situation, it was Johann.
“The guy that is coming out of the pitlane is the guy who needs to watch behind. And if somebody is coming, especially in the last minutes you need to stop in the pit exit.
“There’s no meaning to stay out of the line. As we see in that corner in the past, even this morning with Aleix Espargaro, with [Fabio] Quartararo, it’s so easy to crash, it’s so easy to lock the front and more when you are pushing in the end of the practice.
Source: Autosport