Honda CB 100 vs Yamaha RX 100 (1990)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Honda CB 100stacks up against the Yamaha RX 100. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Honda CB 100 | Yamaha RX 100 |
|---|---|---|
| Model year | 1974 | 1990 |
| Price | — | — |
| Engine | 99 cc | 100 cc |
| Horsepower | 12 hp | 12 hp |
| Torque | — | 9 Nm |
| Weight | — | 99 kg |
| Seat height | — | 30 mm |
| Fuel capacity | 2.6 L | 2.8 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 4-speed |
| Front brakes | Expanding brake | Expanding brake (drum brake) |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
| Tires | 2.50-18 / 2.75-18 | 2/18-4PR / 3/18-4PR |
Honda CB 100 vs Yamaha RX 100 — which should you buy?
Picking between the Honda CB 100 and the Yamaha RX 100 usually comes down to the numbers you care about most. On paper, the Honda CB 100 brings 12 hp, while the Yamaha RX 100 counters with 12 hp at 99 kg.
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:

