MotoR Free Practice Results
DATE: 2018-04-08 WEATHER: Fine COURSE: Dry International South Course 1.264km
| Pos. | No. | Rider | Type | Team | Time | Delay | Gap | Lap | |
| 1 | 3 | Takanobu Irie | Honda CRF | Adult Night Ramen Gathering | 56.210 | 80.95km/h | 3/8 | ||
| 2 | 22 | Hideki Usuno | Honda RS/CR | Team Evolve Racing | 57.373 | 1.163 | 1.163 | 8/9 | |
| 3 | 7 | Shigeru Hayata | ZAC Zac-M | 58.212 | 2.002 | 0.839 | 3/10 | ||
| 4 | 87 | Tadao Hanada | Honda CBR250R | YTR | 58.724 | 2.514 | 0.512 | 6/11 | |
| 5 | 39 | Jun Aoyama | Honda NX4 | APW | 58.910 | 2.700 | 0.186 | 8/10 | |
| 6 | 96 | Masahiro Takeshima | Yamaha YZF-R25 | Team Bambulance | 59.972 | 3.762 | 1.062 | 5/10 | |
| 7 | 13 | Norifumi Imamura | Honda CBR250R | Team Bambulance | 1'00.061 | 3.851 | 0.089 | 4/10 | |
| 8 | 4 | Koji Umira | Kawasaki Ninja250R | Rider House Miyajima Kuma-san Group | 1'00.534 | 4.324 | 0.473 | 8/8 | |
| 9 | 34 | Haru Sawaguchi | Kawasaki Ninja250 | Gekokujou Racing | 1'01.200 | 4.990 | 0.666 | 8/8 | |
| 10 | 32 | Hiroyuki Kaneda | Kawasaki Ninja 250SL | TW's Racing Zone & KIKS | 1'01.867 | 5.657 | 0.667 | 6/10 | |
| 11 | 31 | Tadahiro Morishita | Yamaha YZF-R15 | Tsubame Racing | 1'03.300 | 7.090 | 1.433 | 5/7 | |
| 12 | 69 | Shingi Tada | Kawasaki Ninja250R | club69 | 1'03.541 | 7.331 | 0.241 | 8/8 |
