

This edition of the Honda NX 650 Dominator is the 5 speed | Manual version and was first brought out in 1991. This was at around the same time as the introduction of the 1991 Norton Commander Rotary and the 1992 Suzuki RGV 250 V-Twin.This particular Honda NX 650 has a 644cc Air cooled, Two stroke, V-Twin Petrol powerplant with 1 cylinders and Carburettor.
An alternative V-Twin engine, Off-Road style motorbike includes the Kawasaki KLX 250 Single Cylinder - [2020]
The 1991 NX 650 shares its V-Twin engine and Off-Road style configuration with the likes of the 2020 Kawasaki KLX 250 Single Cylinder and the 2020 Kawasaki KLX 230 Single Cylinder. Alternatively, if you're looking for other bikes which share the NX 650's Off-Road style with a similar size of engine then how about the 2020 Kawasaki KLX 230 Single Cylinder | 2020cc.2020 Kawasaki KLX 250 Single Cylinder | 2020cc.
Weighing in at 178 kgs (392 lbs) this makes the Honda NX 650 Dominator in the same weight category as the 2025 Kawasaki Z 900 DOHC or the 2025 Yamaha MT-07 Twin Cylinder , give or take 50kg.
In terms of power the 644cc 4 valve V-Twin 1 cylinder engine produces 45 bhp (33 kW) @ 6000 rpm similar to the 2025 Honda X-ADV 745 [57.8 bhp (43 kW) @ 6750 rpm] or the 2025 Yamaha WR 250 F [36.1 bhp (26 kW) @ 12000 rpm].
The SOHC Two stroke unit throws out torque of 39.0 lb-ft (53.0 Nm) @ 5000 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Suzuki SV 650 ABS [47.2 lb-ft (63.9 Nm) @ 8100 rpm] and the 2025 Yamaha MT-07 Twin Cylinder [50.0 lb-ft (67.7 Nm) @ 6500 rpm].
If one combines the weight with power or torque performance for the Honda NX 650 you can get a better idea of it's real world performance.
The 1991 Honda NX 650 Dominator has a Power to weight ratio of 252.8 bhp per ton and 219.6 lb-ft per ton. Bhp Per Ton figures of the 1991 NX 650 competing with the 2021 Kawasaki ZX-25 R Ninja [277.7 bhp\ton] and the 2022 Kawasaki ZX-25 R Ninja SE [277.7 bhp\ton].
If you agree with the late great Carroll Shelby, then arguably an even better indicator of potential performance is Torque. Factor weight into the equation and you end up with - Torque per ton, with the Honda NX 650 generating around 219.6 lb-ft per ton. If you're curious as to what other motorbikes have as much torque to weight then look no further than the 1986 Kawasaki GTR 1000 DOHC [244.4 lb-ft per ton] and the 1986 Kawasaki ZG 1000 Concours [244.4 lb-ft per ton].
With a 0-60mph time of 14.6 secs or a 0-100km/h (0-62mph) of 15.0 secs, this makes the Honda NX 650 Dominator similar in acceleration to the 2022 Honda CMX 500 Rebel SE (14.6 secs) and the 2022 Honda CMX 500 Rebel SE (14.6 secs). This Honda NX 650 Dominator also competes in terms of 0-60 mph and 0-100km/h with the 2018 Honda CB 250 R Neo Sports Cafe (0.0 secs) and the 2020 Norton Superlight SS (0.4 secs).
Quarter Mile time is a close race between the 1991 Honda NX 650 Dominator and the 1978 Kawasaki Z 750 F
When talking about the performance of the 1991 Honda NX 650 Dominator on the drag strip it can reach a quarter mile in an estimated 0 secs @ 0 mph. Bikes with a similar performance down the quarter mile can be found in the 1978 Kawasaki Z 750 F (0 secs) and the 2012 Suzuki SFV 650 Gladius (0 secs).
The 1991 version of the Honda NX 650 Dominator has a maximum speed of 105mph.
If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1991 Honda NX 650 Dominator then how about a 2022 Kawasaki ZX-25 R Ninja SE (116 mph) and the 2022 Kawasaki ZX-25 R Ninja (116 mph).
Suzuki PE 175 Single Cylinder
Engine Capacity: 172 cc
Top Speed: 75 mph
Quarter Mile: 16.4 secs @ 0 mph