Honda
Honda

C90 K3

Honda · Roller/Scooter · Baujahr 1978

Technische Daten

Bore x stroke
50.0 x 45.6 mm (2.0 x 1.8 inches)
Clutch
Multi plate wet automatic
Color options
BRIGHT RED. METALLIC SAVANNAH GREEN. METALLIC STRATO BLUE. METALLIC DARK GREY
Comments
During 1978 Honda was already legendary for their step thru scooter bikes. The performance they achieved through technical advancements from their small overhead camshaft motors was incredible. Similar models are still available today.
Compression
8.2:1
Cooling system
Air
Diameter
110 mm (4.3 inches)
Dry weight
85.0 kg (187.4 pounds)
Effect
7.5 HP (5.5 kW)) @ 9500 RPM
Engine size
89.0 ccm (5.43 cubic inches)
Exhaust system
Sinle stainless steel pipe
Frame type
Pressed steel monoque with engine part of loadbearing
Front brakes
Expanding brake (drum brake). Twin expanding shoe
Front percentage of weight
40.0
Front suspension
Hydraulically dampened leading link forks
Front tire
2.00-17
Front wheel travel
75 mm (3.0 inches)
Fuel capacity
5.50 litres (1.45 US gallons)
Fuel consumption
2.50 litres/100 km (40.0 km/l or 94.09 mpg)
Fuel control
Overhead Cams (OHC)
Fuel system
Carburettor. Keihin seiki
Gearbox
3-speed
Greenhouse gases
58.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Ground clearance
130 mm (5.1 inches)
Ignition
contact breaker points
Lubrication system
Wet sump
Maximum RPM
10000
Motorcycle name
Honda C90 K3
Overall height
995 mm (39.2 inches)
Overall length
1830 mm (72.0 inches)
Overall width
640 mm (25.2 inches)
Power/weight ratio
0.0882 HP/kg
Rake (fork angle)
27.0°
Rear brakes
Expanding brake (drum brake). Twin expanding shoe
Rear percentage of weight
60.0
Rear suspension
Hydraulically dampened with compression spring
Rear tire
3.00-17
Rear wheel travel
100 mm (3.9 inches)
Reserve fuel capacity
1.00 litres (0.26 US gallons)
Seat height
790 mm (31.1 inches) If adjustable, lowest setting.
Starter
Kick
Top speed
80.0 km/h (49.7 mph)
Torque
6.0 Nm (0.6 kgf-m or 4.4 ft.lbs) @ 6000 RPM
Trail
75 mm (3.0 inches)
Transmission type
Chain (final drive)
Type
Scooter
Type of engine
Single cylinder, four-stroke
Valves per cylinder
2
Weight incl. oil, gas, etc
91.6 kg (201.9 pounds)
Wheelbase
1190 mm (46.9 inches)
Year model
1978