YSS Suspension from Thailand introduced an uprated suspension for Kawasaki Ninja 250SL. Available in 4 different type. MZ366 is for street use, MX366 for long touring and hard riding. While the MS366 and MG366 is for racing use where optimal suspension tuning is required. 
| Model | Part number | Price |
| MG366 | 117-5310005 | ¥ 88,000 (RM2800.63) |
| MS366 | 117-4310005 | ¥ 88,000
(RM2800.63) |
| MX366 | 117-3310005 | ¥ 68,000 (RM2161.82) |
| MZ366 | 117-2310005 | ¥ 46,000 (RM1462.41) |
You can tune the ride height from stock to higher position.
