Good Old Days Motegi Good Oldays
- Participant Information Download Entry, Time Schedule, etc.



The legendary classic cars revived here now compete across time at Mobility Resort Motegi



The legendary classic cars revived here now compete across time at Mobility Resort Motegi
Vintage and classic motorcycles from the 1960s and 70s that have been preserved and restored
gather at Mobility Resort Motegi for an event that tells the story of the good old days in modern times,
Good Old Days Motegi. The opportunity to see particularly rare machines racing on the MotoGP™ circuit as a special event
is also a major attraction.




If you plan to attend, please make a reservation using the form below (Club Meeting).
Parking space will be secured and there will be a parade ride.
* Reservations are now closed.
To commemorate the 50th anniversary of the CB400FOUR, we will hold the 'CB400FOUR 50th Anniversary Meeting' and 'CB400FOUR Vehicle Exhibition', as well as a 'CB400FOUR Talk Show' featuring those involved in its creation.
A talk show featuring those involved in its creation, free to attend
Time: 1:00 p.m. – 2:00 p.m. (tentative)
Location: Control Tower 1F Briefing Room

Sen Senzaki
Former Honda Technical Research Institute CB400F Development Project, Chassis Design PL
Since joining the company, focused solely on design, became responsible for the development of the inline-four series, engaged in the development of the CB400F, and led to the completion of the 4 into 1 exhaust system in collaboration with Sankei Giken Kogyo.

Hiroshi Nakano
Former Honda Technical Research Institute, Modeling Department, CB400F Development Project.
Assigned to the Hamamatsu Factory, involved in the development stages of the CB350F and CB400F at the material stage before the clay model, and personally carried out the design and cutting of the CB400F engine fins in particular.

Yoshifumi Sekiguchi
Former Executive Officer of San Kei Giken Kogyo Co., Ltd. and Head of Production Division
Engaged in the manufacturing of Honda motorcycle exhaust mufflers, and since 2023, has been leading and completed the restoration project of the original exhaust system for the CB400FOUR.

Kazunori Irie
"Philosophizing the Honda Dream CB400FOUR/CB400F - Exploring the Source of Its Charm" Author
Based on years of analysis and research on the CB400F, I have written on the theme of the CB400F. I belong to various CB400F owners' clubs in Tokyo and Kyushu, and I will be directing this talk show.
Masayuki Takayama, Former Public Relations Department of Honda Motor Co., Ltd.
Joined Honda Motor Co., Ltd. and has been involved in media-related work in the 2 wheels field for over 40 years. Known as the "living encyclopedia of Honda motorcycles" among motorcycle magazine editors, currently active as a journalist and writer.


Time: 12:00 PM - 12:30 PM (scheduled)
Location: Racing Course (West Course)
Vehicle:*The image is for illustration purposes only. There may be times when driving is not possible due to conditions.
At Mobility Resort Motegi, where MotoGP™ is also held,
you can participate in dynamic confirmation runs at this annual event.
In addition to vehicle exhibitions and the paddock market (flea market),
those who do not own rare vehicles can enjoy the club meeting parade and
the circuit cruise course runs.
WEB Entry March 10, 2025 (Mon) – April 19, 2025 (Sat)
Cash Registered Mail March 10, 2025 (Mon) – April 15, 2025 (Tue), postmark valid
*Varies depending on the event and application method.
Free running on the Racing Course
Free running on the West Course (1.5 km) for 15 minutes × 1 session, and the Full Course (4.8 km) for 20 minutes × 1 session
Road-type and racer-type bikes manufactured before 1983.
Vehicles that have parts in original condition or parts shaped similarly to the original, in accordance with the event's purpose.
Vehicles with shapes that significantly deviate from the original are not allowed to participate. To prevent fluid leaks, a catch tank must be installed, and wire locks must be applied to the oil drain bolt, filler cap, etc. Side stands and center stands must be removed.
Number plates must be attached in three locations: the front and both left and right sides.
Vehicle number plates are assigned by the organizer. Priority is given to those who have participated before (numbers expire if there is no participation for 3 years), and numbers are allocated accordingly (personal number plate system).
Only vehicles that are well-maintained and properly equipped, so as not to cause inconvenience to other riders, are allowed to run.
* For detailed vehicle specifications and rider equipment, please refer to the separate participation guide for the riding event.
To prevent large speed differences, we classify by model year, vehicle type, engine displacement, etc. There may be adjustments depending on the number of vehicles and traffic conditions.
| Group A | Domestic vehicles with a displacement of 65cc or less manufactured before 1972 Foreign vehicles with a displacement of 65cc or less manufactured before 1972 Bottom link class with a displacement of 60cc or less Dream 50 and Retro 50 class with a displacement of 55cc or less |
|---|---|
| B Group | Domestic vehicles with engine displacement over 65cc but less than 125cc manufactured before 1972 Foreign vehicles with engine displacement over 65cc but less than 175cc manufactured before 1972 |
| C Group | Japanese domestic vehicles with engine displacement over 125cc manufactured before 1972 and below 350cc |
| D Group | Foreign cars with engine displacement exceeding 175cc manufactured before 1983 |
| E Group | Works machines manufactured before 1983 |
| F Group | Domestic cars manufactured between 1973 and 1983 with an engine displacement of 125cc or less |
| G Group | Japanese domestic vehicles with engine displacement over 350cc manufactured before 1972 Japanese domestic vehicles with engine displacement over 125cc manufactured between 1973 and 1983 |
Holders of a small or larger motorcycle license
Full face helmet (MFJ certified), racing suit (MFJ certified made of leather or material with equivalent strength), spinal pad, chest guard (recommended), leather gloves, leather shoes, airbag protection for 2 wheels (Riders aged 23 to 54 are exempt from wearing airbag protection for 2 wheels on the event day.)
* When adding running vehicles, the fee is 7,000yen per vehicle from the second vehicle onward.
* Includes admission fee for one person and parking fee for one vehicle. Additional purchases available at 1,900yen per person.
* If running vehicles are displayed in the Pit Museum (motorcycle exhibition), they can be exhibited without additional charges.
A meeting space is provided in the venue’s 1st paddock and inside the pit, followed by a parade lap of one lap on the Racing Course West Course and one lap on the full course.
* For every 3 vehicles, a meeting space of 5m × 2.5m is provided.
Those who can gather at the venue between 11:00 and 13:00 with 6 or more bikes of the same model or manufacturer.
Two laps of guided driving on the Racing Course
Well-maintained motorcycles (regardless of whether they have a license plate or not), drivers who hold a valid driver's license for the vehicle in question.
Personal sales of items related to motorcycles and cars.
Those who can comply with the following provisions.
・Those who can operate a stall from 9:30 to 15:30. Leaving before 15:30 is not allowed.
・Sales content: Personal sales of motorcycle and car parts and items related to the circuit.
Sale by manufacturers and corporations related to motorcycles and cars.
Those who can comply with the following provisions.
・Those who can operate a stall from 9:30 to 15:30. Leaving before 15:30 is not allowed.
Sales content: Sales by manufacturers and corporations related to motorcycles, cars, and circuit-related parts.
Vehicle exhibition inside the pit garage
Vehicles that retain their original appearance when they were manufactured
Participants must be able to display their vehicles from 9:30 to 15:30. Leaving before 15:30 is not allowed.
Let's have children experience Motorsports, which they usually cannot see. It's still too early for them to participate as racing Riders, so let's let them feel Motorsports as staff!
Kids Motonia (KIDSMOTONIA) is a word created by combining "Kids" for children, "Moto" from Motorsports, and "Mania" from enthusiasm (maniac).
※The content may change due to emergency response or progress reasons.
For children in grades 1 to 6, those who can be accompanied by a guardian on the day of the event.
Beverages, Junior Seat (Only for participants of the morning session)