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Edition:
Honda CB 900 C Custom - [1981]
This edition of the Honda CB 900 C Custom is the 5 speed | Manual version and was first brought out in 1981. This was at around the same time as the introduction of the 1982 Honda CB 750 SC Nighthawk and the 1982 Yamaha XS 400 L Maxim.This particular Honda CB 900 has a 901cc Air cooled, Two stroke, Horizontal In-Line Petrol powerplant with 4 cylinders and Carburettor.
An alternative Horizontal In-Line engine, Cruiser style motorbike includes the Suzuki GV 700 GL Madura - [1984]
The 1981 CB 900 shares its Horizontal In-Line engine and Cruiser style configuration with the likes of the 1984 Suzuki GV 700 GL Madura and the 1978 Yamaha XS 750 Special. Alternatively, if you're looking for other bikes which share the CB 900's Cruiser style with a similar size of engine then how about the 1984 Suzuki GV 700 GL Madura | 1984cc.1978 Yamaha XS 750 Special | 1978cc.
Weighing in at 0 kgs (0 lbs) this makes the Honda CB 900 C Custom in the same weight category as the 2025 Yamaha Tracer 9 GT+ or the 2025 Yamaha Tracer 9 GT, give or take 50kg.
The 1981 Honda CB 900 shares the same bhp with the Yamaha YZF-R9 Triple - [2025]
In terms of power the 901cc 16 valve Horizontal In-Line 4 cylinder engine produces 95 bhp (70 kW) @ 9000 rpm similar to the 2025 Yamaha YZF-R9 Triple [117.4 bhp (87 kW) @ 10000 rpm] or the 2025 Yamaha T�n�r� 700 [72.4 bhp (53 kW) @ 9000 rpm].
The DOHC Two stroke unit throws out torque of 56.7 lb-ft (76.8 Nm) @ 8000 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Yamaha MT-07 Twin Cylinder [50.0 lb-ft (67.7 Nm) @ 6500 rpm] and the 2025 Yamaha MT-09 Y-AMT [68.5 lb-ft (93.0 Nm) @ 7000 rpm].
If one combines the weight with power or torque performance for the Honda CB 900 you can get a better idea of it's real world performance.
The 2025 Yamaha T�n�r� 700 Rally has similar Bhp Per Ton stats as the 1981 Honda CB 900 C Custom.
The 1981 Honda CB 900 C Custom has a Power to weight ratio of 319.8 bhp per ton and 190.9 lb-ft per ton. Bhp Per Ton figures of the 1981 CB 900 competing with the 2025 Yamaha T�n�r� 700 Rally [344.7 bhp\ton] and the 1981 Yamaha XJ 750 E [344.6 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 900 generating around 190.9 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 2022 Honda X-ADV 745 [215.6 lb-ft per ton] and the 2025 Honda X-ADV 745 [215.6 lb-ft per ton].
With a 0-60mph time of 11.6 secs or a 0-100km/h (0-62mph) of 11.8 secs, this makes the Honda CB 900 C Custom similar in acceleration to the 2025 Yamaha WR 250 F (11.6 secs) and the 2021 Suzuki DL 650 XT V-Strom (11.6 secs). This Honda CB 900 C Custom 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 1981 Honda CB 900 C Custom and the 2014 Honda CB 1100 FA De Lux
When talking about the performance of the 1981 Honda CB 900 C Custom 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 2014 Honda CB 1100 FA De Lux (0 secs) and the 1994 Kawasaki ZG 1200 Voyager XII (0 secs).
The 1981 version of the Honda CB 900 C Custom has a maximum speed of 135mph.
Top Speed of the 1981 CB 900 equals the 2005 Honda CB 900 F Hornet
If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1981 Honda CB 900 C Custom then how about a 2005 Honda CB 900 F Hornet (146 mph) and the 2002 Honda CB 900 F Hornet (146 mph).
