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Edition:
Kawasaki Zephyr 400 X Final Edition - [2009]
This edition of the Kawasaki Zephyr 400 X Final Edition is the 6 speed | Manual version and was first brought out in 2009. This was at around the same time as the introduction of the 2010 Honda CBR 1000 RR Fireblade Tricolour HRC and the 2010 Honda CBR 1000 RR Fireblade C-ABS.This particular Kawasaki Zephyr 400 has a 399cc Air cooled, Two stroke, Wankel Petrol powerplant with 4 cylinders and Carburettor.
An alternative Wankel engine, Standard style motorbike includes the Yamaha XSR 700 Twin - [2020]
The 2009 Zephyr 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 Zephyr 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 0 kgs (0 lbs) this makes the Kawasaki Zephyr 400 X Final Edition in the same weight category as the 2025 Yamaha Tracer 9 GT+ or the 2025 Yamaha Tracer 9 GT, give or take 50kg.
The 2009 Kawasaki Zephyr 400 shares the same bhp with the Suzuki SV 650 ABS - [2025]
In terms of power the 399cc 16 valve Wankel 4 cylinder engine produces 49 bhp (36 kW) @ 11000 rpm similar to the 2025 Suzuki SV 650 ABS [73 bhp (54 kW) @ 8500 rpm] or the 2025 Yamaha MT-07 Twin Cylinder [73.4 bhp (54 kW) @ 8750 rpm].
The DOHC Two stroke unit throws out torque of 22.3 lb-ft (30.3 Nm) @ 10500 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 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 Kawasaki Zephyr 400 you can get a better idea of it's real world performance.
The 1985 Suzuki GSX 550 ES has similar Bhp Per Ton stats as the 2009 Kawasaki Zephyr 400 X Final Edition.
The 2009 Kawasaki Zephyr 400 X Final Edition has a Power to weight ratio of 246.2 bhp per ton and 112.5 lb-ft per ton. Bhp Per Ton figures of the 2009 Zephyr 400 competing with the 1985 Suzuki GSX 550 ES [271.1 bhp\ton] and the 1991 Buell-EBR RSS 1200 Westwind [271.1 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 Kawasaki Zephyr 400 generating around 112.5 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 1994 Suzuki GSF 400 DOHC [137.5 lb-ft per ton] and the 1991 Suzuki GSF 400 DOHC [137.5 lb-ft per ton].
With a 0-60mph time of 15.0 secs or a 0-100km/h (0-62mph) of 15.4 secs, this makes the Kawasaki Zephyr 400 X Final Edition similar in acceleration to the 2015 Yamaha XVS 1300 Stryker (15.0 secs) and the 2015 Honda CB 400 F (15.0 secs). This Kawasaki Zephyr 400 X Final Edition 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 2009 Kawasaki Zephyr 400 X Final Edition and the 1987 Honda CB 450 S
When talking about the performance of the 2009 Kawasaki Zephyr 400 X Final Edition 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 1987 Honda CB 450 S (0 secs) and the 1990 Norton Commander Police (0 secs).
The 2009 version of the Kawasaki Zephyr 400 X Final Edition has a maximum speed of 115mph.
Top Speed of the 2009 Zephyr 400 equals the 2015 Yamaha XVS 1300 Stryker Bullet Cowl
If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 2009 Kawasaki Zephyr 400 X Final Edition then how about a 2015 Yamaha XVS 1300 Stryker Bullet Cowl (126 mph) and the 2015 Yamaha XVS 1300 V-Star Deluxe SE (126 mph).
