The Hells Angels motorcycle gang used a traffic cone to mark off a parking spot in front of its downtown Manhattan headquarters Monday — the day after a biker shot a guy for moving one – but police quickly told the group to take a hike.

Two cops jumped out of their patrol car around 9:30 a.m. upon seeing the single orange cone illegally holding the spot outside the gang’s headquarters at 77 E. Third St.

The officers tossed the cone inside their police cruiser, prompting a female Hells Angels’ biker to start to cry and a male member to scream, “It’s harassment! This is harassment!”

The cops also issued a traffic summons to the bikers, who had earlier tried to run over a Post photographer with a car during an altercation.

The clash came the day after a biker shot a man in the gut after he moved an orange traffic cone that was holding a parking spot outside clubhouse, cops said.

David Martinez, 25, was riding in the passenger seat of his Mercedes-Benz around 1:20 a.m. when his friend driving the car had to stop because a livery vehicle was blocking his way on East Third Street, cops said.

Martinez got out to move the cone — one of several the notorious motorcycle club had set up to hold spots bear its headquarters — so the Mercedes could pass, sources said.

But a Hells Angels member wearing the group’s distinctive insignia on his jacket came out of the clubhouse and told Martinez not to touch it, cops said.

The two began arguing, and three other men who were traveling with Martinez piled out of his car, at which point the biker threw a punch at him, cops said.

Other bikers spilled out of the clubhouse and a street fight ensued, during which an Angel was knocked to the pavement by a man who was preparing to kick him, cops said.

A prospective Hells Angels member, who was also on the ground, pulled out a handgun and fired a single shot that struck Martinez in the abdomen, cops said.

The shooter is believed to be a “prospect” because he wasn’t wearing the Hells Angels’ official death’s head patch.

Martinez’s pals — which included a woman — loaded him into the Mercedes and rushed him to Bellevue Hospital.

His wound wasn’t considered life-threatening, and family members said he underwent surgery and was in stable condition.

Three suspects, all described as white men believed to be riding motorcycles, were being sought by cops.