Honda CB125N

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'Honda CB 125N'
Production 1981
Class [[:Category:Classic motorcycles|Classic]] [[Category:Classic motorcycles]]
air-cooled, four-stroke, twin cylinder, OHC, 2 valves per cylinder
Bore / Stroke 43.2mm x 43.2mm
Compression ratio 9.4:1
Horsepower 15.02 HP (11.2 KW) @ 11000RPM
Torque 6.64 ft/lbs (9.0 Nm) @ 9000RPM
Fuel System 22mm Keihin carburetor
Transmission Gear box: 5-speed, manual
Final Drive: chain
Suspension Front: telescopic fork
Rear: dual shocks
Brakes Front: single 240mm disc
Rear: 130mm drum
Front Tire 2.50-18
Rear Tire 2.75-18
Weight 133.0 kg (wet)
Recommended Oil Honda GN4 10W-40
Manuals Service Manual

The Honda CB 125N was a air-cooled, four-stroke, twin cylinder, OHC, 2 valves per cylinder Classic motorcycle produced by Honda in 1981. Max torque was 6.64 ft/lbs (9.0 Nm) @ 9000 RPM. Claimed horsepower was 15.02 HP (11.2 KW) @ 11000 RPM.


A 43.2mm bore x 43.2mm stroke result in a displacement of just 124.0 cubic centimeters.


The bike has a 5-speed, manual transmission.


It came with a 2.50-18 front tire and a 2.75-18 rear tire. Stopping was achieved via single 240mm disc in the front and a 130mm drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a dual shocks.

1981 Honda CB 125N

1981 Honda CB 125N 1981 Honda CB 125N

The 1981 MY Honda CB 125N has, at its heart, an air-cooled, four-stroke, 124cc, twin cylinder engine, mated to a five-speed manual transmission with a chain final drive, and can produce a claimed 15 horsepower and 9 Nm of torque.

This entry-level machine comes with an analogue instrument panel, a round headlight, a chromed exhaust system, a blacked-out, steel frame, an one-piece, two-up seat, laced wheels, a telescopic front fork, dual shock absorbers as a rear suspension, a side-stand and a front disc brake.