Japanese
Hiroki Katoh
Date of Birth : Feb 23, 1968
Kanagawa, Japan
Height : 167cm
Weight : 58kg
Blood Group : RH+ B
http://www.imedia24.tv/hiroki-katoh-net/
Ryohei Sakaguchi
Date of Birth : Feb 6, 1975
Osaka, Japan
Height : 178cm
Weight : 64kg
Blood Group : RH+ O
https://ryohei-s.net/
| 1992 | |
| 1995 | |
| 1998 | |
| 1999 | |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | |
| 2006 | |
| 2013 | |
| 2020 |
| 1990 | |
| 1991 | |
| 1992 | |
| 1996 | |
| 2003 | |
| 2010 | |
| 2011 | |
| 2012 | |
| 2016 | |
| 2018 | |
| 2019 |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 1997 | GT300 | 22 (6) | ||
| 1998 | GT300 | 4 (44) | ||
| 2001 | GT500 | |||
| 2002 | GT500 | 6 (55) | ||
| 2003 | GT500 | 12 (27) | ||
| 2004 | GT500 | 13 (9) | ||
| 2005 | GT300 | 7 (54) | ||
| 2005 | GT300 | 7 (54) | ||
| 2006 | GT300 | 7 (54) | ||
| 2007 | GT300 | 2 (89) | 1 (R6) | |
| 2008 | GT300 | 4 (68) | ||
| 2009 | GT300 | 1 (R4) | ||
| 2010 | GT300 | 4 (50) | 1 (R5) | |
| 2011 | GT300 | 10 (32) | ||
| 2012 | GT300 | 11 (25) | ||
| 2013 | GT300 | 25 (3) | ||
| 2014 | GT300 | 33 (4) | ||
| 2015 | GT300 | 21 (5) | ||
| 2016 | GT300 | |||
| 2017 | GT300 | |||
| 2018 | GT300 | |||
| 2019 | GT300 | |||
| 2020 | GT300 | 10(31) | 1(R2) |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 2006 | GT300 | 33 (4) | ||
| 2007 | GT300 | |||
| 2007 | GT300 | 25 (5) | ||
| 2008 | GT300 | 17(24) | ||
| 2012 | GT300 | |||
| 2013 | GT300 | |||
| 2013 | GT300 | |||
| 2015 | GT300 | |||
| 2016 | GT300 | 23 (3) | ||
| 2017 | GT300 | |||
| 2018 | GT300 | |||
| 2019 | GT300 | |||
| 2020 | GT300 | 9 (34) |
Supervisor
Chief Engineer
| Entrant Name | muta Racing INGING | |
|---|---|---|
| Supervisor | ||
| Representative | ||
| Company | ||
| Website | ||
| Main Sponsor | ||
| Sponsor |
| Name | muta Racing Lotus MC | |
|---|---|---|
| Based Vehicle | LOTUS EVORA MC | |
| Chief Engineer |
| Car Model | ABA-122 | |
|---|---|---|
| Dimensions | 4638×1946×1152mm | |
| Weight | ||
| Wheelbase | ||
| Treads | ||
| Transmission | ||
| Clutch | ||
| Suspension F | ||
| R | ||
| Brakes F | ||
| R | ||
| Tires | ||
| F | ||
| R | ||
| Wheels | ||
| F | ||
| R |
| Engine Model | ||
|---|---|---|
| Type | ||
| Displacement | ||
| Bore & Stroke | ||
| Ristrictor( size & number ) | ||
| Max Power( ps / rpm ) | ||
| Max Torque( kg-m / rpm ) | ||
| Lubricant( brand ) |
| Engine Tuner | ||
|---|---|---|
| Machine Maintenance |
| 4/13-14 | Round1 OKAYAMA | |
 |
5/03-04 | Round2 FUJI |
| 6/01-02 | Round3 SUZUKA | |
| 8/03-04 | Round4 FUJI | |
| 8/31-9/01 | Round5 SUZUKA | |
| 9/21-22 | Round6 SUGO | |
| 10/19-20 | Round7 AUTOPOLIS | |
| 11/02-03 | Round8 MOTEGI |