Honda NSR 125F (1990)

The Honda NSR 125F-II was a motorcycle released in 1990. It had a two-stroke, single-cylinder engine with reed valve induction and a capacity of 124.8 cc. The bike had a liquid-cooled system, a compression ratio of 12.0:1, and a Dell’Orto PHBH 28 FS carburetor induction. It was capable of producing 31 hp at 10500 rpm and had a maximum torque of 20.85 Nm at 9000 rpm. The bike’s clutch was multi-disc oil bath, and it had a six-speed transmission with a chain final drive.

The frame of the NSR 125F-II was a double cradle tubular steel panel design. The bike boasted a 35mm Marzocchi telescopic fork front suspension and a Marzocchi shock with Pro-kink adjustable preload for its rear suspension. The motorcycle had a single 316mm disc 2 piston caliper for its front brake and a single 220mm disc 1 piston caliper for its rear brake. Its front and rear tires were sized 100/80 -17 and 130/70 -18 respectively, with a seat height of 800 mm and a dry weight of 132 kg.

The fuel capacity for the NSR 125F-II was 10 Litres or 2.6 US gal. It had an average consumption rate of 18.0 km/lit. It’s top speed was cited as 160.0 km/h or 100 mph, and the bike could complete a standing 1/4 mile in 15.4 seconds at 136.3 km/hr. Its braking distance when going 60-0 and 100-0 was measured at 13.4 m and 38.6 m respectively. The data of the motorcycle was tested by Motosprint in 1990.

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Technical specifications:

Make Model: Honda NSR 125F-II

Year: 1990

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 1990