Honda CB-1 (NC27) 1989-1990

Information About 1989 Honda CB1 (CB400F, NC27) Overview, Specs & Photos

1989 Honda CB1 (NC27)
Honda CB-1 (NC27) picture.
Release date: March 06, 1989.
Honda CB-1 model year 1989 (NC27) is a road sports bike equipped with a 4-stroke DOHC in-line 4-cylinder 399cc engine that offers a smooth ride and a simple, functional style.

Honda Motor Co., Ltd. has taken advantage of the smooth output characteristics of the in-line 4-cylinder engine to enjoy a supple ride from urban areas to winding roads in the suburbs. Honda CB-1, a unique road sports bike with a unique style, was released on March 10th 1989.

The engine is equipped with a water-cooled, 4-cycle, DOHC, in-line 4-cylinder, 399cc engine, in order to obtain output characteristics that respond more strongly and linearly to the opening and closing of the accelerator in the medium and low rotation range, which is often used in daily life. , Optimized intake port length and unequal length air funnels. In addition, the intake and exhaust efficiency has been improved in detail, such as valve opening and closing timing with little overlap and the adoption of a compact stainless steel exhaust pipe with a collective type that has been devised in the internal structure.
In addition, the frame, which is an important element of the CB-1's styling, is a twin-tube diamond type that uses large-diameter (42.7 mm) structural carbon steel pipes for the main pipes. Realizes a steering feeling with a sense of rigidity while taking advantage of the toughness (flexibility) of the . At the same time, the engine section, which pursues mechanical beauty, is placed in a frame with strong, simple lines and buffed exhaust pipes to create tight proportions with a three-dimensional effect. Combined with the high-quality materials and finish of each part of the body that emphasizes the metal feel, it is a unique road sports model that is different from conventional sports bikes, and can meet an even wider range of user needs.

Honda CB-1 Price

Sales plan (domestic/annual) 10,000.
Manufacturer's suggested retail price of Honda CB1 in 1989 was 646,000 yen.
(Vehicles equipped with a speed warning light were 10,000 yen higher.)
(Hokkaido and Okinawa were 9,000 yen higher, excluding some remote islands.)

1989 Honda CB-1 Features

Other key features of Honda CB1 1989/1990

  • A high-grade surface treatment is applied to the covers of various parts of the engine.
  • Hairline-finished side covers, radiator covers, and fork/top bridges emphasize the metal feel.
  • A fuel tank with a three-layer coating that has a moist luster.
  • Forged duralumin brake pedal and buffed step holder.
  • Front brake lever with adjustable grip width.
  • Front wheel floating type large diameter (310mm) disc brake with good braking feeling and his rear disc brake (diameter 240mm).
  • Three-spoke front and rear wheels with a lightweight aluminum hollow structure.
  • Rear suspension that can adjust the initial load according to the rider's preference.
  • Center stand convenient for maintenance.
  • Simple and functional large-diameter round halogen headlights (60W/55W).
Honda CB1 1990
1990 Honda CB-1 photo.

1989 Honda CB-1 Specifications

The Honda CB-1 is a small, light naked sports motorcycle with a 399 cubic centimetres (24.3 cu in) straight-four engine, carrying the model code NC27. In contrast to other models of the Honda CB series, the name is written with a hyphen. Here the main specs of Honda CB1 model year 1989/1990:

Length×Width×Height (m)2.035×0.705×1.025
Length (m)1.375
Minimum ground clearance (m)0.130
Seat height (m)0.775
Vehicle Weight/Dry Weight (Kg)183/168
Capacity (person)2
Fuel consumption (Km/L) 60Km/h level running test value35.0
Minimum turning radius (m)2.8
Engine modelNC23E (water-cooled, 4-cycle, DOHC, 4-valve, 4-cylinder)
Total Displacement (cm3)399
Inner Diameter x Stroke (mm)55.0×42.0
Compression Ratio11.3
Max output (PS/rpm)57/11,500
Max torque (kgm/rpm)4.0/9,500
Carburetor modelVG06
Starting methodSelf-operated
Ignition typeFull transistor battery ignition
Lubrication methodCombined pumping and splashing method
Lubricant capacity (L)3.5
Fuel tank capacity (L)11
Clutch typeWet multi-plate coil spring
Transmission typeConstant mesh 6-speed return
Transmission ratio1st3.307
2 speed2.352
3 speed1.875
4 speed1.590
5 speed1.434
6 speed1.333
Reduction ratio (primary/secondary)2.181/2.600
Caster (deg)/Trail (mm)25°30′/99
Tire sizeFront110/70-17 54H
Rear140/70-17 66H
Brake typeFrontHydraulic disc
RearHydraulic disc
Suspension systemFrontTelescopic
RearSwing arm type
Frame formatDiamonds

Honda CB-1 (CB400F, NC27) Parts and Accessories

You might also interested to check the price of spare parts or accessories for Honda CB-1 (CB400F, NC27) motorbike.

  • 10mm Fuel Pump Replace for Honda CB1 CB400F 1989-1990 (Replaces 16710-MR1-015)#10H - .
    Fuel pumps expert.
  • Honda CB350F CB400F Stock Air Filter 17211-333-610 - .
    Equivalent to Honda OEM part number: 17211-333-610
    Fits: CB350F - 1972-1974, CB400F Super Sport - 1975-1977. 4into1.
  • Shaped O-Ring Float Bowl Gaskets Gasket Set - 4 Pack - Honda CB350F CB400F - .
    Shaped O-Ring Float Bowl Gaskets.
    4 Pack.
    Honda CB350F CB400F. 4into1.
  • HFP-181 Honda CB1 CB400F 1989 - 1990 Carbureted Motorbike Fuel Pump - .
    Includes everything you need for a full easy replacement.
    All HFP pumps meet or exceed OEM specifications in fit, form and function.
    Includes Superior Impeller outer-case mechanism to maximize fuel flow. HFP.
  • Throttle Cable Set - Push and Pull - Honda CB400F 1975 - 1976 & Cafe Racers - Black - .
    Throttle Cable A - Pull - 17910-377-000.
    Throttle Cable B - Push - 17920-377-000.
    Fits CB400F - 1975-1976 (Does not fit 1977 model with stock handlebars). 4into1.
  • Honda CB400F Carburetor Repair Kit SET - 1975-1977 - For All 4 Carburetors - .
    Main Jet #75.
    Slow Jet #40.
    Shaped Float Bowl Gasket. 4into1.
  • Honda Motorcycle Fuel Valve Petcock - 20mm x 1.5mm - CB400F CB500T CB550F CB550K CB750F CB750K - .
    Threading 20mm x 1.5mm.
    22mm hex nut..
    Ribbed fuel outlet perfect size for use with either 3/16" or 1/4" fuel line.. 4into1.
  • Throttle Cable A - Pull - Honda CB400F 1975-1976 & Cafe Racers - Chrome - .
    Honda Part Number: 17910-377-000
    Fits Honda CB400F - 1975-1976. 4into1.
  • Honda Motorcycle Fuel Valve Petcock - 16 x 1.5mm - CB350K CL350K CB400F CB400T CM400 CB500T CX500 CB550 CB750 - .
    Honda Motorcycle Fuel Valve Petcock.
    16 x 1.5mm.
    CB350K CL350K CB400F CB400T CM400 CB500T CX500 CB550 CB750. 4into1.
  • Honda CB400F Clutch Cable - 1975-1976 - .


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