Honda CBX125F (JC11) 1984-1994

1984 Honda CBX125F (JC11) Specs, Price & Photos

Honda CBX125F
Honda CBX125F (JC11) model year 1984

The Honda CBX125F is a road sports model that debuted in April 11 1984 as a 125cc model for the Honda CBX series. On the same day, the American style CBX125 custom was also released. The engine installed in the 125cc CBX adopted an RFVC system with a hemispherical combustion chamber and four radially arranged valves. By increasing the combustion efficiency, it was intended to achieve both an increase in output and an improvement in fuel efficiency. The CBX125F is a sports model with a half-type rocket cowl, and the engine is 17ps, 2ps more than the CBX125 Custom. The all-aluminum Comstar wheels were 16 inches in the front and 18 inches in the rear, and in terms of size alone, they were the opposite of the Custom. After receiving a minor change in 1987 to improve quietness, the model was discontinued in 1993 with minor changes such as changing the engine characteristics and the gear ratio of the 6-speed transmission.

The engine installed in this CBX125F/CUSTOM uses a groundbreaking RFVC system in which four valves are arranged radially in a hemispherical combustion chamber. This has made it possible to expand the diameter of the intake and exhaust valves, greatly improving combustion efficiency and intake and exhaust efficiency.・15PS/10,500rpm), maximum torque of 1.1kg-m/9,500rpm (custom, 1.1kg-m/9,000rpm), and 64km/L (50km/h level running test value) fuel economy.

Honda CBX125F Price in 1984

Sales plan (domestic/annual) was 10,000 units.
National Standard Cash Price of CBX125F in 1984 was ¥289,000.
(Hokkaido and Okinawa prices are 8,000 yen higher. In addition, some remote islands are excluded).

Honda CBX125F Pictures Gallery

Since its release in 1984, the CBX125 series has been the only 125cc class equipped with a DOHC radial valve (RFVC) engine, and has been well received by a wide range of age groups as an economical, easy-to-handle, light-riding bike.

Honda CBX 125F (JC11) red white
1987 Honda CBX125F
with improved quietness and a new coloring was released on June 19, 1987.
1992 Honda CBX125F (JC11)
1992 Honda CBX125F
This time, the body color of the CBX125F is a combination of dark gray with black as the base color, giving it a fearless image.
1993 Honda CBX125F black
1993 Honda CBX125F
This time, the gear ratio has been changed in consideration of smooth driving in the medium and low speed range, and usability has been improved by adopting an easy-to-operate push-cancel turn signal switch and an MF battery that does not require refilling water. As for the body color, the CBX125F combines black with purple to create a fearless image.

Main Specifications

Two types of high-performance road sports bike "Honda CBX125F equipped with a mount type fairing for enjoying light riding" and "American style Honda CBX125 Custom suitable for long touring" were released at the same time in April 11, 1984.
Honda Honda CBX125 is equipped with an air-cooled, 4-cycle, DOHC, * RFVC single-cylinder engine (total displacement of 124cm3).

Specs of Honda CBX125F VS. CBX125 CUSTOM model year 1984:

 CBX125FCBX125 Custom
Total length (m)1.9402.050
Width (m)0.6800.785
Total height (m)1.1201.110
Wheel Distance (m)1.2801.360
Minimum ground clearance (m)0.1800.175
Seat height (m)0.7700.730
Vehicle weight (kg)117121
Dry weight (kg)105112
Capacity (persons)22
Fuel consumption (km/L)64 (50km/h level running test value) 64 (50km/h level running test value)
Slope climbing ability (tanθ)0.36 (about 20 degrees)0.36 (about 20 degrees)
Minimum turning radius (m)2.22.2
Engine modelJC11E Air-cooled 4-cycle DOHC 4-valve single cylinderJC11E Air-cooled 4-cycle DOHC 4-valve single cylinder
Total Displacement (cm3 )124124
Inner Diameter x Stroke (mm)58.0×47.058.0×47.0
Compression Ratio11.011.0
Max output (PS/rpm)17/11,50015/10,500
Max torque (kg-m/rpm)1.1/9,5001.1/9,000
Carburetor modelPF35APF40A
Starting methodSelf-operatedSelf-operated
Ignition methodNon-contact CDINon-contact CDI
Lubrication methodPumping splash combination methodPumping splash combination method
Lubricant capacity (L)1.21.2
Fuel tank capacity (L)1210
Clutch typeWet multi-plate coil springWet multi-plate coil spring
Transmission typeConstant mesh 6-speed returnConstant mesh 5-speed return
Transmission ratio1st gear3.0003.000
2 speed2.0621.941
3 speed1.5781.450
4 speed1.3331.173
5 speed1.1531.000
6 speed1.041-
Reduction ratio 1st/2nd 3,315/3,0003,315/2,933
Caster (degrees)27°00′30°00′
Trail (mm)90122
Tire sizeFront80/100-16 45P90/90-18 51P
Rear90/90-18 51P110/90-16 59P
Brake typeFrontHydraulic disc brakeHydraulic disc brake
RearMechanical leading trailingMechanical leading trailing
Suspension methodFrontTelescopicTelescopic
Frame formatSemi-double cradleSemi-double cradle


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