Keihin Jet Needle Data
| Jet needle series | Application |
| N427-5 | Harley CVH |
| N427-11 | CRS 26, 29, 31, 33 (5 Groove) |
| N427-12 | CRS 26, 29, 31, 33 (7 Groove) |
| N427-22 | CRS 26, 29, 31, 33 (5 Groove) |
| N427-37 | CRS 35, 37, 39 (5 Groove) |
| N427-38 | CRS 26, 29, 31, 33 (5 Groove) |
| N427-44 | CRS 35, 37, 39 (7 Groove) |
| N427-45 | PE 20-24 |
| N427-46 | PWK 28, PE 26, 28 (5 Groove) |
| N427-48 | PWK 33, 35, 36, 38, 39, 41, ,PWM 38 PJ 34-39, PE36 (5 Groove) |
| N427-51 | CRS 35, 37, 39 (7 Groove) |
| N427-90 | FCR 28, 32, 33 (7 Groove) |
| N427-OC | FCR 35, 37, 39, 41 (7 Groove) |
| N427-68 | ? |
