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Edition:
Yamaha WR 125 R - [2011]
This edition of the Yamaha WR 125 R is the 5 speed | Manual version and was first brought out in 2011. This was at around the same time as the introduction of the 2012 Buell-EBR 1190RS V-Twin and the 2012 Kawasaki ZX-10 R Ninja Emerson Fittipaldi Limited Editi.This particular Yamaha WR 125 has a 125cc Liquid cooled, Two stroke, V-Twin Petrol powerplant with 1 cylinders and Electronic Fuel Injection.
An alternative V-Twin engine, Off-Road style motorbike includes the Kawasaki KLX 230 Single Cylinder - [2020]
The 2011 WR 125 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 Camo. Alternatively, if you're looking for other bikes which share the WR 125's Off-Road style with a similar size of engine then how about the 1997 Suzuki TS 125 Single Cylinder | 1997cc.1992 Suzuki TS 125 Single Cylinder | 1992cc.
Weighing in at 133 kgs (293 lbs) this makes the Yamaha WR 125 R in the same weight category as the 2025 Honda MSX 125 Grom or the 2024 Kawasaki Eliminator 500 ABS, give or take 50kg.
The 2011 Yamaha WR 125 shares the same bhp with the Yamaha WR 250 F - [2025]
In terms of power the 125cc 4 valve V-Twin 1 cylinder engine produces 15 bhp (11 kW) @ 9000 rpm similar to the 2025 Yamaha WR 250 F [36.1 bhp (26 kW) @ 12000 rpm] or the 2025 Honda MSX 125 Grom [9.6 bhp (7 kW) @ 7250 rpm].
The DOHC Two stroke unit throws out torque of 8.9 lb-ft (12.2 Nm) @ 6000 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Honda MSX 125 Grom [7.6 lb-ft (10.4 Nm) @ 5500 rpm] and the 2024 Honda SH 125 I [8.8 lb-ft (11.9 Nm) @ 6500 rpm].
If one combines the weight with power or torque performance for the Yamaha WR 125 you can get a better idea of it's real world performance.
The 1982 Suzuki SP 250 Single Cylinder has similar Bhp Per Ton stats as the 2011 Yamaha WR 125 R.
The 2011 Yamaha WR 125 R has a Power to weight ratio of 112.7 bhp per ton and 67.6 lb-ft per ton. Bhp Per Ton figures of the 2011 WR 125 competing with the 1982 Suzuki SP 250 Single Cylinder [137.0 bhp\ton] and the 2002 Honda FTR 223 Street Flat Tracker [136.6 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 Yamaha WR 125 generating around 67.6 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 2021 Kawasaki Versys-X 250 [92.5 lb-ft per ton] and the 1989 Yamaha TZR 125 R Belgarda [92.1 lb-ft per ton].
With a 0-60mph time of 32.8 secs or a 0-100km/h (0-62mph) of 33.5 secs, this makes the Yamaha WR 125 R similar in acceleration to the 2015 Yamaha WR 125 R (32.8 secs) and the 2013 Yamaha WR 125 R (32.8 secs). This Yamaha WR 125 R 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 2011 Yamaha WR 125 R and the 2014 Honda VFR 800 X Crossrunner
When talking about the performance of the 2011 Yamaha WR 125 R 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 VFR 800 X Crossrunner (0 secs) and the 2005 Honda CB 400 Super Bol dOr (0 secs).
The 2011 version of the Yamaha WR 125 R has a maximum speed of 75mph.
Top Speed of the 2011 WR 125 equals the 2021 Yamaha YZF-R15 V3 ABS
If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 2011 Yamaha WR 125 R then how about a 2021 Yamaha YZF-R15 V3 ABS (86 mph) and the 2020 Yamaha YZF-R15 V3 ABS (86 mph).
Suzuki GSX 750 SD Katana
Engine Capacity: 747 cc
Top Speed: 134 mph
Quarter Mile: 12.8 secs @ 113 mph
