Two of Long Island’s all-time passing records, thought to be unbreakable, fell Thursday night in West Babylon.

Savyille quarterback Jack Coan now is atop the list of all-time passing leaders in total yardage and touchdown passes.

The yardage record fell with 10:28 left in the first quarter when Coan threw a 25-yard scoring pass to Michael Dionisio on the Golden Flashes’ first possession. Coan now has 7,811 career passing yards.

The touchdown record fell with 9:41 left in the third quarter. Coan hit junior Nate Bauland with a 1-yard strike for the 101st touchdown pass of his career.

It was the fourth and final scoring pass of the night for Coan, who completed 14 of 19 passes for 186 yards and four touchdowns in Sayville’s 42-0 win over West Babylon in Suffolk III.

“It felt good to get the first one on the opening drive of the season,” Coan said. “The line gave me time to make the throw, and my receiver ran a terrific route.”

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Dionisio ran a hitch-and-go down the visitors’ sideline for the touchdown. “The defensive back bit on the fake and Jack waited before he made a perfect throw,” Dionisio said.

Coan was 3-for-3 on the opening drive, including the record- breaker for the score. When Dionisio was told that his catch provided the yardage to make Coan Long Island’s all-time leader, he was surprised.

“That’s awesome and I’m proud to be a part of it,” he said. “That’s something I get to tell my kids someday.”

Coan’s first touchdown strike helped him move past Joe Capobianco of Lawrence, who had 7,660 yards and 100 touchdown passes from 2011-13.

On Coan’s next passing attempt, he found Ashton Bradley for 49 yards and a touchdown for a 14-0 lead with 8:10 left in the first quarter.

“We weren’t concerned about the records, but he deserves to be recognized for all of his achievements,” Sayville coach Rob Hoss said. “Jack is one of the greatest high school quarterbacks of all time. What makes him more special than all of the rest is his ability to always put the team first and remain humble.”

Sayville used two second-quarter touchdowns to open a 28-0 halftime lead. Coan hit Jake Kolar with a 13-yard touchdown pass and Max Kolar scored on an 18-yard run.

“I learned that we have a very good defense,” Hoss said after his defense held the Eagles to 39 yards in the first half. “But we still have to figure out what we are up front on the offensive line.”

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Despite the lopsided score, West Babylon sacked Coan four times, led by Samuel Drowns, Jalen Hernandez and Joe Consalazio.

Coan’s final touchdown pass was a 1-yarder. Bauland recognized the blitz and snuck out of the backfield to get open.

“The linebacker blitzed and I’m taught to turn and look right away, and Jack put it right in there,” Bauland said.

Coan, who opened the night with a 20-yard strike to Jake Kolar, closed it with a perfect throw to Bauland.

Now Coan owns every career passing record on Long Island.