The teenager embarks on his second season with BOE Motorsports for the 22-round contest staged across 18 countries from February to November.
Buchanan has spent the past six weeks preparing for the gruelling schedule ahead.
"Physically, I feel in the best shape I’ve ever been. Now the focus is on increasing the bike-fit component even further when I get back to Spain," he said.
He rated his time at home as "extremely important".
"Honestly, it was just good to do nothing for the first two weeks.
"I really needed that break after a difficult end to the season and the biggest championship I had ever raced in terms of the number of rounds and the distances involved all around the world."
Racing opportunities were limited to a Southland Motorcycle Club event at Teretonga in December and a recent outing at Ruapuna, near Christchurch, with the KMD Racing team on its Yamaha R6.
Buchanan delivered some impressive stats in his rookie Moto3 season, earning 32 championship points with three top-10 finishes, nine Q2 appearances and a best placing of ninth at the Sachsenring, in Germany, where he was just 1.8sec from victory.
However, a knee injury at Brno just a week later took its toll and the latter half of the year proved challenging as he struggled to regain his form.
"Heading into the new season, that intimidation you often feel as a rookie is gone. I deserve my place in the world championship and New Zealand deserves to have a Kiwi racing in the world championship.
"My goal is to do the best job possible on any given weekend. I had really good moments last year but I want that to now be the platform we build up from.
"I want the best version of myself last year to just be the average version this year — we need to take it up some notches.
"That’s easier said than done in the Moto3 World Championship because it is some of the most brutal and intense racing on the planet. I want to be consistently battling in the front group.
"I have a lot of goals for 2026, and I know those goals won’t happen if I don’t execute this season strongly to the best of my abilities.
"I’m excited to be racing again in a high level competition with the sheer intensity that comes with.
" I was fast last year and I know I’m a better person, a better rider and a better athlete now so I’m excited to see how that stacks up against the best in the world."
Official preseason testing will be held in Portugal and Spain before the opening round in Thailand at the end of February. — Allied Media
