Yamaha FZR 400 RR vs Factory Bike Kenny 400 (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha FZR 400 RRstacks up against the Factory Bike Kenny 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha FZR 400 RR | Factory Bike Kenny 400 |
|---|---|---|
| Model year | 1991 | 2023 |
| Price | $2,000 | $4,590 |
| Engine | 399 cc | 400 cc |
| Horsepower | 56 hp | 29 hp |
| Torque | 42 Nm | — |
| Weight | — | 156 kg |
| Fuel capacity | — | 4.0 L |
| Fuel type | petrol | petrol |
| Transmission | — | 6-speed |
| Front brakes | — | Double disc |
| Rear brakes | — | Single disc |
| Tires | — | 110/70-R17 / 150/70-R17 |
Yamaha FZR 400 RR vs Factory Bike Kenny 400 — which should you buy?
Picking between the Yamaha FZR 400 RR and the Factory Bike Kenny 400 usually comes down to the numbers you care about most. On paper, the Yamaha FZR 400 RR brings 56 hp, while the Factory Bike Kenny 400 counters with 29 hp at 156 kg. On price, the Yamaha FZR 400 RR has the lower MSRP.
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:

