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Edition:
Yamaha WR 400 F - [1998]
This edition of the Yamaha WR 400 F is the 5 speed / Manual version and was first brought out in 1998. This was at around the same time as the introduction of the 1998 Norton Nemesis A and the 1999 Yamaha YZF1000 R1.This particular Yamaha WR 400 has a 399cc Liquid 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 230 Single Cylinder - [2020]
The 1998 WR 400 shares its V-Twin engine and Off-Road style configuration with the likes of the 2020 Kawasaki KLX 230 Single Cylinder and the 2020 Kawasaki KLX 250 Single Cylinder. Alternatively, if you're looking for other bikes which share the WR 400's Off-Road style with a similar size of engine then how about the 2020 Kawasaki KLX 250 Single Cylinder | 2020cc.2020 Kawasaki KLX 250 Camo | 2020cc.
Weighing in at 0 kgs (0 lbs) this makes the Yamaha WR 400 F in the same weight category as the 2024 Kawasaki Z7 Hybrid or the 2024 Honda XRE 300 Adventure ABS and Rally, give or take 50kg.
The 1998 Yamaha WR 400 shares the same bhp with the Suzuki SV 650 ABS - [2025]
In terms of power the 399cc 11 valve V-Twin 1 cylinder engine produces 48 bhp (35 kW) @ 8000 rpm similar to the 2025 Suzuki SV 650 ABS [73 bhp (54 kW) @ 8500 rpm] or the 2025 Honda X-ADV 745 [57.8 bhp (43 kW) @ 6750 rpm].
The DOHC Two stroke unit throws out torque of 28.7 lb-ft (38.9 Nm) @ 7500 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Honda X-ADV 745 [50.9 lb-ft (69.0 Nm) @ 4750 rpm] and the 2025 Honda MSX 125 Grom [7.6 lb-ft (10.4 Nm) @ 5500 rpm].
If one combines the weight with power or torque performance for the Yamaha WR 400 you can get a better idea of it's real world performance.
The 2010 Suzuki GSF 1250 S Bandit ABS has similar Bhp Per Ton stats as the 1998 Yamaha WR 400 F.
The 1998 Yamaha WR 400 F has a Power to weight ratio of 358.2 bhp per ton and 214.6 lb-ft per ton. Bhp Per Ton figures of the 1998 WR 400 competing with the 2010 Suzuki GSF 1250 S Bandit ABS [383.2 bhp\ton] and the 2009 Suzuki GSF 1250 S Bandit ABS [383.2 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 Yamaha WR 400 generating around 214.6 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 1985 Yamaha XT 600 Single [239.5 lb-ft per ton] and the 1986 Yamaha XT 600 Single [239.5 lb-ft per ton].
With a 0-60mph time of 10.3 secs or a 0-100km/h (0-62mph) of 10.6 secs, this makes the Yamaha WR 400 F similar in acceleration to the 2023 Yamaha T�n�r� 700 Rally Edition (10.3 secs) and the 2023 Yamaha T�n�r� 700 (10.3 secs). This Yamaha WR 400 F 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 1998 Yamaha WR 400 F and the 1992 Suzuki DR 250 Djebel
When talking about the performance of the 1998 Yamaha WR 400 F 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 1992 Suzuki DR 250 Djebel (0 secs) and the 2019 Yamaha Tracer 900 Triple (0 secs).
The 1998 version of the Yamaha WR 400 F has a maximum speed of 110mph.
Top Speed of the 1998 WR 400 equals the 1991 Suzuki GSX-R 400 R
If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1998 Yamaha WR 400 F then how about a 1991 Suzuki GSX-R 400 R (121 mph) and the 1990 Suzuki GSX-R 400 R SP II (121 mph).
