Honda C90 Cub (1966-80+)

Posted on by

The Honda C90 Super Cub (Passport) was produced from 1966-80+. It has a single cylinder, 4-stroke, OHC engine with a capacity of 89.5 cc / 5.5 cu in and a bore x stroke of 50 x 45.6 mm. The cooling system is air cooled with a compression ratio of 8.2:1 and a one-into-one exhaust. The ignition is magneto and starting is electric and kick. The maximum power is 5.6 kW / 8.0 hp @ 9500 rpm and the maximum torque is 6.6 Nm / 0.67 kgf-m / 4.8 lb-ft @ 6000 rpm. The clutch is wet, semi-automatic and the transmission is 3-speed with a final drive of belt. The frame is pressed steel underbone and the front suspension is leading link with a front wheel travel of 56 mm / 2.2 in. The rear suspension is swing arm with a rear wheel travel of 61 mm / 2.4 in. The front and rear brakes are expanding drum, 110 mm with wheels made of steel, laced wire spokes. The front and rear wheel size is 2.50 x 17 in. The dimensions of the motorcycle are a length of 1829 mm / 72.0 in, a wheelbase of 1185 mm / 46.7 in, and a dry weight of 85 kg / 187 lbs.

Technical specifications:

Make Model: Honda C90 Super Cub (Passport)

Year: 1966 – 80+


Engine: Single cylinder, 4-stroke, OHC
Capacity: 89.5 cc / 5.5 cu in
Bore x Stroke: 50 x 45.6 mm
Cooling System: Air cooled
Compression Ratio: 8.2:1
Exhaust: One-into one
Ignition: Magneto
Starting: Electric and kick
Max Power: 5.6 kW / 8.0 hp @ 9500 rpm
Max Torque: 6.6 Nm / 0.67 kgf-m / 4.8 lb-ft @ 6000 rpm
Clutch: Wet, semi-automatic
Transmission: 3-Speed
Final Drive: Belt
Frame: Pressed steel underbone
Front Suspension: Leading link

Front Wheel Travel: 56 mm / 2.2 in
Rear Suspension: Swing arm
Rear Wheel Travel: 61 mm / 2.4 in
Front Brakes: Expanding drum, 110 mm
Rear Brakes: Expanding drum, 110 mm
Wheels: Steel, laced wire spokes
Front Wheel: 2.50 x 17 in
Rear Wheel: 2.50 x 17 in
Dimensions: Length: 1829 mm / 72.0 in
Wheelbase: 1185 mm / 46.7 in
Dry Weight: 85 kg / 187 lbs

Related models: