Jenson Button leaves Barcelona content with the work produced at pre-season testing by McLaren-Honda but feels he is still not ready to race read more »

Jenson Button feels that McLaren engine supplier Honda has made its "biggest improvement yet" with the power unit it has been running at the second pre-season… read more »

Jenson Button is delighted with Honda's improved power unit, saying it is the "biggest improvement" he has felt over the last 14 months... read more »

Though he admits the McLaren is still down on straight line speed, Jenson Button is feeling good progress from the Honda power unit. read more »

Jenson Button says the updated Honda engine being run in his McLaren this week is the biggest step in performance the Japanese manufacturer has made since its return to F1 last... read more »

McLaren boss Eric Boullier says there has "clearly" been a gain on Honda's updated power unit and predicts more to come before the end of testing. Honda... read more »

McLaren driver Jenson Button has hailed the improvement Honda has made to its power unit after he sampled the upgraded MP4-31 for the first time in testing on Wednesday. A new... read more »

Jenson Button says the new Honda power unit introduced for the second pre-season test is the "biggest improvement" he has felt over the last 14 months. read more »

Clear gain from new Honda engine with more to come - Eric Boullier read more »

Honda has fixed the recovered energy deployment problems that severely compromised McLaren's 2015 Formula 1 form, according to the team's racing director Eric Boullier read more »

Jenson Button is adamant his partnership with Fernando Alonso is exactly what McLaren-Honda need as "we have our heads screwed on"... read more »

McLaren-Honda driver Jenson Button says he wants Formula 1 to introduce rule changes that would put it around 10 seconds ahead of the nearest category below… read more »

McLaren ran an updated Honda power unit at the first day of the second test, which is closer to the one the team is hoping to use at the opening race in Melbourne. Honda has... read more »

Fernando Alonso bounces back from last week's set-back to complete 93 laps in the McLaren-Honda MP4-31 on the first day of the second test. read more »

Fernando Alonso says he can become world champion again despite the struggles faced by the Spaniard's McLaren-Honda team. read more »

Eric Boullier is expecting "massive progress" from McLaren-Honda but concedes it is still too early to predict where they will be in the pecking order... read more »

McLaren Racing's paintshop is comprised of 14 skilled technicians - a team that is not only required to produce flawless work 100 per cent of the time, but also to turn... read more »

Formula 1's first pre-season test highlighted that McLaren continues to lack performance despite improvements made by power-unit supplier Honda, according to racing... read more »

McLaren-Honda has elected to use both of its allocated filming days in order to conduct extra mileage with its new MP4-31, which encountered problems during… read more »

Eric Boullier thinks there has been a "big misunderstanding" over McLaren's 'size zero' aero concept and insists the team did not impose anything on... read more »

Fernando Alonso is staying positive on the back of his and McLaren-Honda's first pre-season test, despite a series of reliability issues. Alonso was limited… read more »

Fernando Alonso is confident McLaren-Honda can get its pre-season on course despite more reliability issues sidelining him on the final day. read more »

Fernando Alonso was disappointed to see his day ended early with a cooling leak on his McLaren-Honda on Thursday. read more »

After three successful days of testing, McLaren-Honda suffered a blow on Thursday when a coolant leak reduced Fernando Alonso's running to three laps... read more »

A coolant leak at the start of the day consigns Fernando Alonso and McLaren-Honda in the pit-lane for the remainder of it. read more »