ATK GT650R vs Kasinski Comet GTR 650 EFI (2016)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the ATK GT650Rstacks up against the Kasinski Comet GTR 650 EFI. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | ATK GT650R | Kasinski Comet GTR 650 EFI |
|---|---|---|
| Model year | 2016 | 2010 |
| Price | — | — |
| Engine | 647 cc | 647 cc |
| Horsepower | 79 hp | 90 hp |
| Torque | 67 Nm | — |
| Weight | 204 kg | 198 kg |
| Seat height | 33 mm | 31 mm |
| Fuel capacity | 4.5 L | 4.5 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Double disc. Floating rotor, 2 pistons calipers | Double disc. 2-piston calipers |
| Rear brakes | Single disc. Floating rotor, 2 pistons calipers | Single disc |
| Tires | 120/60-ZR17 / 160/60-ZR17 | 120/60-ZR17 / 160/60-ZR17 |
ATK GT650R vs Kasinski Comet GTR 650 EFI — which should you buy?
Picking between the ATK GT650R and the Kasinski Comet GTR 650 EFI usually comes down to the numbers you care about most. On paper, the ATK GT650R brings 79 hp in a 204 kg package, while the Kasinski Comet GTR 650 EFI counters with 90 hp at 198 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:

