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.
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
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