Suzuki SP 125 Single Cylinder - [1987] Review and Comparison including Similar Bikes, Alternative Bikes, Performance Specs and Technical Information.

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Performance Review: Suzuki SP 125 Single Cylinder - [1987]

Suzuki SP 125 Single Cylinder - [1987]

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Figures & Specs Summary:

Edition: Suzuki SP 125 Single Cylinder
Year: 1987 | Type: Off-Road
Engine: 124 cc (7.5 ci) 2 Valve
Engine Type: V-Twin | Cylinders: 1
Engine Stroke: Two | Valve Config: SOHC
Fuel Delivery: Carburettor
Cooling: Air | Fuel Type: Petrol
Transmission: 6 speed | Manual
Drive: Chain
Wet Weight: 118 kgs (260 lbs)
Dry Weight: 102 kgs (224 lbs)
Power: 12 bhp (8 kW) @ 9800 rpm
Torque: 6.4 lb-ft (8.6 Nm) @ 9500 rpm
BHP Per Ton: 101.6 bhp
Torque Per Ton: 54.2 lb-ft
0-60 mph (96.6 kph): 36.4 secs
0-100 kph (0-62 mph): 37.2 secs
Top Speed: 55 mph (88.5 kph)
1/4 Mile (Est.): 0 secs @ 0 mph
Frame: Steel

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Suzuki SP 125 Performance Review.

Introduction:

This edition of the Suzuki SP 125 Single Cylinder is the 6 speed | Manual version and was first brought out in 1987. This was at around the same time as the introduction of the 1988 Suzuki TV 250 Wolf and the 1988 Suzuki RH 250 X.This particular Suzuki SP 125 has a 124cc Air 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 250 Camo - [2020]

The 1987 SP 125 shares its V-Twin engine and Off-Road style configuration with the likes of the 2020 Kawasaki KLX 250 Camo and the 2020 Kawasaki KLX 250 Single Cylinder. Alternatively, if you're looking for other bikes which share the SP 125's Off-Road style with a similar size of engine then how about the 2001 Kawasaki KDX 125 R KIPS | 2001cc.1999 Kawasaki KDX 125 R KIPS | 1999cc.

Power and Torque:

Weighing in at 118 kgs (260 lbs) this makes the Suzuki SP 125 Single Cylinder in the same weight category as the 2025 Honda MSX 125 Grom or the 2025 Yamaha WR 250 F, give or take 50kg.

The 1987 Suzuki SP 125 shares the same bhp with the Yamaha WR 250 F - [2025]

In terms of power the 124cc 2 valve V-Twin 1 cylinder engine produces 12 bhp (8 kW) @ 9800 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 SOHC Two stroke unit throws out torque of 6.4 lb-ft (8.6 Nm) @ 9500 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].

Power to Weight:

If one combines the weight with power or torque performance for the Suzuki SP 125 you can get a better idea of it's real world performance.

The 1979 Yamaha RS 200 Twin has similar Bhp Per Ton stats as the 1987 Suzuki SP 125 Single Cylinder.

The 1987 Suzuki SP 125 Single Cylinder has a Power to weight ratio of 101.6 bhp per ton and 54.2 lb-ft per ton. Bhp Per Ton figures of the 1987 SP 125 competing with the 1979 Yamaha RS 200 Twin [126.4 bhp\ton] and the 2006 Yamaha XT 250 Serow [125.8 bhp\ton].

Power to Weight(cont.):

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 Suzuki SP 125 generating around 54.2 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 2015 Honda MSX 125 Four Stroke [79.0 lb-ft per ton] and the 2015 Honda MSX 125 Four Stroke [79.0 lb-ft per ton].

Acceleration:

With a 0-60mph time of 36.4 secs or a 0-100km/h (0-62mph) of 37.2 secs, this makes the Suzuki SP 125 Single Cylinder similar in acceleration to the 1982 Suzuki SP 125 Single Cylinder (36.4 secs) and the 1972 Suzuki TS 90 Honcho (36.6 secs). This Suzuki SP 125 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 1987 Suzuki SP 125 Single Cylinder and the 1968 Norton 650 SS

When talking about the performance of the 1987 Suzuki SP 125 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 1968 Norton 650 SS (0 secs) and the 2002 Honda NT 650 V Deauville (0 secs).

Top Speed:

The 1987 version of the Suzuki SP 125 Single Cylinder has a maximum speed of 55mph.

Top Speed of the 1987 SP 125 equals the 2024 Suzuki GSX-S 125 DOHC

If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1987 Suzuki SP 125 Single Cylinder then how about a 2024 Suzuki GSX-S 125 DOHC (66 mph) and the 2017 Honda XR 150 L (67 mph).