KTM RC 390 vs California Scooter RZ3S Haylon 400 (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM RC 390stacks up against the California Scooter RZ3S Haylon 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM RC 390 | California Scooter RZ3S Haylon 400 |
|---|---|---|
| Model year | 2023 | 2022 |
| Price | — | $3,995 |
| Engine | 373 cc | 378 cc |
| Horsepower | 44 hp | 36 hp |
| Torque | 37 Nm | 35 Nm |
| Weight | 155 kg | — |
| Seat height | 32 mm | 31 mm |
| Fuel capacity | 3.6 L | 5.3 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. ABS. Four-piston calipers. | Single disc. ABS |
| Rear brakes | Single disc. ABS. Floating disc. Single-piston caliper. | Single disc. ABS |
| Tires | 95/75-R17 / 115/75-R17 | 110/70-17 / 150/60-17 |
KTM RC 390 vs California Scooter RZ3S Haylon 400 — which should you buy?
Picking between the KTM RC 390 and the California Scooter RZ3S Haylon 400 usually comes down to the numbers you care about most. On paper, the KTM RC 390 brings 44 hp in a 155 kg package, while the California Scooter RZ3S Haylon 400 counters with 36 hp.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

