Verstappen "very important" to Honda's F1 plans says Yamamoto

Verstappen's victory in the Austrian Grand Prix gave Honda its first win since returning to F1 in 2015 and has boosted the Japanese company's chances of remaining in grand prix racing beyond next year.

Yamamoto believes Verstappen's "great" driving is one of the key factors behind Red Bull and Honda scoring such impressive results prior to F1's summer break, including another win in Germany and a first pole in Hungary.

"He's very important for us," Yamamoto told Autosport. "It is very important to have a driver like him.

"First he's very good at driving itself. He's very good at communicating with the engineers. He's very good at analysing the data, and also his driving.

"He can give accurate feedback in terms of chassis and engine, so he's excellent."

Verstappen is third in the drivers' championship and close enough to challenge Valtteri Bottas for the runner-up position in the second half of the season.

He has two wins, five podiums and one pole from the opening 12 races, and has scored 76 more points than he had at the same stage in 2018 with Renault power.

Verstappen's relationship with Red Bull's former engine partner soured massively last season, and he became more and more outspoken about Renault's programme.

Since Red Bull switched to Honda, Verstappen has not been publicly critical once, and Yamamoto believes it may stem from a good first impression Honda made when Verstappen visited its Japanese headquarters as part of a Red Bull visit.

"When Max came to Honda's factory at Sakura in 2017, it looked like he was so impressed by the facility," Yamamoto said.

"So he was enjoying looking at the facility. Maybe he's got the impression he can do something with Honda, maybe he has that kind of positive feeling and that's affecting his behaviour."

"That's very important for a driver."

Honda's success so far with Verstappen and Red Bull presents the manufacturer with its best chance of a strong result at its home race in Japan.

McLaren and Toro Rosso enjoyed strong local support from 2015 to '18 when they raced at Suzuka with Honda power, but the added Red Bull/Verstappen effect should boost that even further.

"We have already prepared a Red Bull/Toro Rosso Honda grandstand at Suzuka," said Yamamoto. "We have already sold around 15,000 seats."