Honda NSR 125F (1988)

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The Honda NSR 125F is a two-stroke, single-cylinder motorcycle with reed valve induction, produced in 1988. It has a 124.8cc engine with a bore and stroke of 54 x 54mm, and a compression ratio of 12.0:1. The induction system consists of a Dell’Orto PHBH 28 FS carburetor and the ignition is a capacitor discharge electronic ignition. The motorcycle is capable of producing 31 horsepower at 10,500rpm and 20.85 Nm of torque at 9,000rpm. It features a multi-disc oil bath clutch and a 6-speed transmission with a chain final drive. The frame is a double cradle tubular steel design and the front suspension consists of 35mm Marzocchi telescopic forks, with a Marzocchi shock and Pro-kink adjustable preload in the rear. The front and rear brakes are single-disc with 2 and 1 piston calipers respectively. The front and rear tire sizes are 100/80-17 and 130/70-18, respectively. The seat height is 800mm and dry weight is 132kg. It has a fuel capacity of 10 litres with an average fuel consumption of 18km/lit. The braking distance from 60-0 and 100-0 is 13.4m and 38.6m, respectively. The standing 1/4 mile time is 15.4 seconds with a top speed of 160km/h. A Motosprint road test conducted in 1988 reviewed the Honda NSR 125F.

Technical specifications:

Make Model: Honda NSR 125F

Year: 1988


Engine: Two stroke, single cylinder, Reed valve induction
Capacity: 124.8 cc / 7.6 cu-in
Bore x Stroke: 54 x 54 mm
Cooling System: Liquid cooled
Compression Ratio: 12.0:1
Induction: Dell’Orto PHBH 28 FS carburetor
Ignition: Capacitor discharge electronic ignition
Starting: Electric & Kick
Max Power: 31 hp / 23.1 kW @ 10500 rpm
Max Torque: 20.85 Nm / 15.1 lb-ft / 2.1 kgf-m @ 9000 rpm
Clutch: Multi-disc oil bath
Transmission: 6 Speed
Final Drive: Chain
Frame: Double cradle tubular steel panels
Front Suspension: 35mm Marzocchi telescopic forks

Rear Suspension: Marzocchi shock with Pro-kink adjustable preload
Front Brakes: Single 316mm disc 2 piston caliper
Rear Brakes: Single 220mm disc 1 piston caliper
Front Tyre: 100/80 -17
Rear Tyre: 130/70 -18
Seat Height: 800 mm / 31.4 in
Dry Weight: 132 kg / 291 lbs
Fuel Capacity: 10 Litres / 2.6 US gal
Consumption Average: 18.0 km/lit
Braking 60 – 0 / 100 – 0: 13.4 m / 38.6 m
Standing 1/4 Mile: 15.4 sec / 136.3 km/h
Top Speed: 160.0 km/h / 100 mph
Road Test: Motosprint 1988

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