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78 Honda C90 K3 specificationsHonda C90 K3 1978


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1978 Honda C90 K3

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Honda's profilation of this bike
20 YEARS ON FROM PRODUCING THE FIRST STEP THRU MOTOR SCOOTER HONDAS POPULARITY IS STILL SO STRONG WE BELIEVE YOU WILL AGREE YOU WILL MEET THE NICEST PEOPLE ON A HONDA

General information
Model:Honda C90 K3
Year:1978
Category:Scooter
Rating:78.2 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement:89.00 ccm (5.43 cubic inches)
Engine type:Single cylinder, four-stroke
Power:7.50 HP (5.5 kW)) @ 9500 RPM
Torque:0.67 Nm (0.1 kgf-m or 0.5 ft.lbs) @ 6000 RPM
Top speed:80.0 km/h (49.7 mph)
Max RPM:10000
Compression:8.2:1
Bore x stroke:50.0 x 45.6 mm (2.0 x 1.8 inches)
Valves per cylinder:2
Fuel system:Carburettor. keihin seiki
Fuel control:OHC
Ignition:contact breaker points
Lubrication system:wet sump
Cooling system:Air
Gearbox:3-speed
Transmission type,
final drive:
Chain
Clutch:multi plate wet automatic
Fuel consumption:2.50 litres/100 km (40.0 km/l or 94.09 mpg)
Greenhouse gases:58.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Exhaust system:sinle stainless steel pipe
Chassis, suspension, brakes and wheels
Frame type:pressed steel monoque with engine part of loadbearing
Rake (fork angle):27.0
Trail:75 mm (3.0 inches)
Front suspension:hydraulically dampened leading link forks
Front suspension travel:75 mm (3.0 inches)
Rear suspension:hydraulically dampened with compression spring
Rear suspension travel:100 mm (3.9 inches)
Front brakes:Expanding brake (drum brake). twin expanding shoe
Front brakes diameter:110 mm (4.3 inches)
Rear brakes:Expanding brake (drum brake). twin expanding shoe
Rear brakes diameter:110 mm (4.3 inches)
Physical measures and capacities
Dry weight:85.0 kg (187.4 pounds)
Weight incl. oil, gas, etc:91.6 kg (201.9 pounds)
Power/weight ratio:0.0882 HP/kg
Front percentage of weight:40.0
Rear percentage of weight:60.0
Seat height:790 mm (31.1 inches) If adjustable, lowest setting.
Overall height:995 mm (39.2 inches)
Overall length:1,830 mm (72.0 inches)
Overall width:640 mm (25.2 inches)
Ground clearance:130 mm (5.1 inches)
Wheelbase:1,190 mm (46.9 inches)
Fuel capacity:5.50 litres (1.45 gallons)
Reserve fuel capacity:1.00 litres (0.26 gallons)
Other specifications
Starter:Kick
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 ADVANCMENTS FROM THEIR SMALL OVERHEAD CAMSHAFT MOTORS WAS INCREDIBLE. SIMILIAR MODELS ARE STILL AVALIABLE TODAY
Further information
Parts and accessories Our partner CMSNL ships low cost OEM motorcycle parts to Australia, Austria, Bahamas, Belgium, Canada, China, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, India, Ireland, Italy, Japan, Kuwait, Latvia, Lithuania, Luxembourg, Macedonia, Malta, Montenegro, The Netherlands, New Zealand, Norway, Poland, Portugal, Serbia, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Taiwan, Ukraine, United Kingdom, The United States and more. Or check out parts and accessories from our other partners.
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Rating sample for this Honda bike
Racing track capabilities for the 1978 Honda C90 K3:


(72.8 out of 100)

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