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Edition:
Yamaha IT 175 Single Cylinder - [1979]
This edition of the Yamaha IT 175 Single Cylinder is the 6 speed / Manual version and was first brought out in 1979. This was at around the same time as the introduction of the 1979 Suzuki GSX 1100 SX Katana Prototype and the 1980 Suzuki GSX 1100 E.This particular Yamaha IT 175 has a 171cc Air cooled, Four 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 1979 IT 175 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 IT 175'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 107 kgs (235 lbs) this makes the Yamaha IT 175 Single Cylinder in the same weight category as the 2025 Honda MSX 125 Grom or the 2024 Suzuki GSX-S 125 DOHC, give or take 50kg.
The 1979 Yamaha IT 175 shares the same bhp with the Honda MSX 125 Grom - [2025]
In terms of power the 171cc 5 valve V-Twin 1 cylinder engine produces 20.6 bhp (15 kW) @ 8500 rpm similar to the 2025 Honda MSX 125 Grom [9.6 bhp (7 kW) @ 7250 rpm] or the 2025 Yamaha WR 250 F [36.1 bhp (26 kW) @ 12000 rpm].
The Reed Valve Four stroke unit throws out torque of 12.8 lb-ft (17.4 Nm) @ 7500 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 CB 500 Hornet [31.7 lb-ft (42.9 Nm) @ 6500 rpm].
If one combines the weight with power or torque performance for the Yamaha IT 175 you can get a better idea of it's real world performance.
The 2014 Kawasaki KLR 650 New Edition has similar Bhp Per Ton stats as the 1979 Yamaha IT 175 Single Cylinder.
The 1979 Yamaha IT 175 Single Cylinder has a Power to weight ratio of 192.5 bhp per ton and 120.5 lb-ft per ton. Bhp Per Ton figures of the 1979 IT 175 competing with the 2014 Kawasaki KLR 650 New Edition [217.0 bhp\ton] and the 2016 Kawasaki KLR 650 DOHC [217.0 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 IT 175 generating around 120.5 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 1984 Yamaha FZ 400 N [145.4 lb-ft per ton] and the 1991 Suzuki SG 350 Goose [144.8 lb-ft per ton].
With a 0-60mph time of 19.2 secs or a 0-100km/h (0-62mph) of 19.6 secs, this makes the Yamaha IT 175 Single Cylinder similar in acceleration to the 2002 Yamaha XV 1600 A Wild Star (19.2 secs) and the 2002 Yamaha XV 1600 A Road Star (19.2 secs). This Yamaha IT 175 Single Cylinder 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 1979 Yamaha IT 175 Single Cylinder and the 2016 Suzuki Boulevard - Intruder M 50
When talking about the performance of the 1979 Yamaha IT 175 Single Cylinder 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 2016 Suzuki Boulevard - Intruder M 50 (0 secs) and the 2014 Kawasaki Ninja 250 RR Mono (0 secs).
The 1979 version of the Yamaha IT 175 Single Cylinder has a maximum speed of 62mph.
Top Speed of the 1979 IT 175 equals the 2018 Suzuki GSX 150 Bandit
If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1979 Yamaha IT 175 Single Cylinder then how about a 2018 Suzuki GSX 150 Bandit (73 mph) and the 2018 Honda GTR 150 Winner RS 150R (73 mph).
