If you’re serious about Mini 4WD racing, Tamiya’s annual speed guide is something you don’t skip. The 2026-2027 edition of the Official Mini 4WD Guide has hit shelves, and it’s loaded with everything a builder needs to dominate the upcoming Japan Cup season.
Published by One Publishing and authored by the GetNavi Editorial Department, the A4-wide guide dropped on June 17, 2026 at a retail price of ¥1,150 (plus tax). The publisher states the guide is 102 pages, though one retailer listing notes 97 pages. It’s available through major Japanese retailers like Amazon Japan, Rakuten Books, and 7net, as well as international specialty shops like CDJapan.
What’s Inside the Guide?
The core of this year’s guide is the full technical breakdown of the 2026 Japan Cup official circuit, named “UPBEAT MAELSTROM CIRCUIT 2026.” The book provides detailed explanations and strategies for tackling the track, giving racers a serious edge before they even set foot at the venue. The circuit is part of the Powered by FDK Mini 4WD Japan Cup 2026 series, which includes races on Yokohama Tires.
Beyond circuit strategy, the guide covers machine selection and building know-how. A standout feature this time is a dedicated section on constructing your own slide damper—a critical component for handling high-speed runs. The step-by-step “Slider Damper School” walks builders through the process, making it accessible even for those new to the modification.
New Chassis and Anniversary Highlights
Tamiya fans will find coverage of the newly introduced ME chassis, complete with a special interview with body designer Kota Nezu. That’s not the only anniversary being celebrated: 2026 marks 40 years of Racer Mini 4WD, and the guide showcases the Zemperer 3 polycarbonate body that’s part of the milestone.
Racing Regulations, Parts Catalog, and More
The guide doesn’t stop at builds. It includes the latest Stock class regulations, a complete grade-up parts Super Speed Data File 2026, and a guide to participating in the Mini 4WD Japan Cup. There’s also a gallery of champion machines from the Japan Cup 2025 and the Mini 4WD Grand Prix 2026, so you can study what the winners ran.
For those looking to get more involved, the book offers tips on essential items to bring to races, how to get featured in the guide’s “Welcome, Super Speed!” section, and details on the Mini 4WD Station Challenge—a special event where racers can try their skills at official Tamiya venues.
Extras and Availability
As always, the guide comes with a sheet of dress-up stickers as an appendix. Whether you’re a beginner or a seasoned tuner, the guide is meant to condense the fun of Mini 4WD into a single, indispensable reference. The guide’s ISBN is 9784651206035.
For English-speaking builders, note that the guide is written in Japanese, but the technical diagrams and part numbers are universal. International buyers can order from CDJapan or other import retailers.
The Tamiya Official Mini 4WD Guide 2026-2027 is available now for ¥1,150 (plus tax), published by One Publishing and authored by the GetNavi Editorial Department. With the Japan Cup circuit fully revealed, the slide damper build method, and coverage of the new ME chassis, it’s a must-have for anyone planning to race this season.









