

This edition of the Honda CB 400 T Hawk is the 5 speed | Unknown version and was first brought out in 1977. This was at around the same time as the introduction of the 1978 Yamaha XS 750 E and the 1978 Yamaha XS 750 Special.This particular Honda CB 400 has a 395cc Air cooled, Two stroke, Wankel Petrol powerplant with 2 cylinders and Carburettor.
The 1977 CB 400 shares its Wankel engine and Standard style configuration with the likes of the 2020 Yamaha XSR 700 Twin and the 2018 Yamaha XSR 700 Twin. Alternatively, if you're looking for other bikes which share the CB 400's Standard style with a similar size of engine then how about the 1997 Suzuki GW 400 Inazuma | 1997cc.1988 Suzuki TV 250 Wolf | 1988cc.
Weighing in at 179.6 kgs (395 lbs) this makes the Honda CB 400 T Hawk in the same weight category as the 2025 Kawasaki Z 900 DOHC SE or the 2025 Kawasaki Z 900 DOHC, give or take 50kg.
In terms of power the 395cc 6 valve Wankel 2 cylinder engine produces 34 bhp (25 kW) @ 9500 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 21.0 lb-ft (28.4 Nm) @ 8000 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Yamaha WR 250 F [17.8 lb-ft (24.2 Nm) @ 8100 rpm] and the 2024 Yamaha YZF-R15 V4 [10.5 lb-ft (14.2 Nm) @ 7800 rpm].
If one combines the weight with power or torque performance for the Honda CB 400 you can get a better idea of it's real world performance.
The 1977 Honda CB 400 T Hawk has a Power to weight ratio of 189.3 bhp per ton and 117.0 lb-ft per ton. Bhp Per Ton figures of the 1977 CB 400 competing with the 1999 Suzuki DR 350 SE [214.2 bhp\ton] and the 2018 Yamaha YZF-R25 DOHC [213.8 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 CB 400 generating around 117.0 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 1981 Suzuki GSX 400 T [141.7 lb-ft per ton] and the 2024 Kawasaki Ninja 7 Hybrid [141.6 lb-ft per ton].
With a 0-60mph time of 19.5 secs or a 0-100km/h (0-62mph) of 20.0 secs, this makes the Honda CB 400 T Hawk similar in acceleration to the 2014 Honda VT 1300 CX Fury (19.5 secs) and the 2010 Honda VT 1300 CX Fury (19.5 secs). This Honda CB 400 T Hawk 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 1977 Honda CB 400 T Hawk and the 2009 Honda VTR 250 DOHC
When talking about the performance of the 1977 Honda CB 400 T Hawk 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 2009 Honda VTR 250 DOHC (0 secs) and the 1984 Yamaha IT 200 Single Cylinder (0 secs).
The 1977 version of the Honda CB 400 T Hawk has a maximum speed of 108mph.
If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1977 Honda CB 400 T Hawk then how about a 2014 Yamaha XT 1200 Z Super Tenere (119 mph) and the 2014 Yamaha XT 1200 ZE ES Super Tenere (119 mph).