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Honda QA50 50cc Motorcycles

1970-72 Honda QA50 K0

Engine

Displacement 49cc single cylinder OHV
Spark plug C7HSA
Plug gap .028

DRIVETRAIN

Transmission 2-speed with an automatic clutch
Chain #420 x 78
Front sprocket 15 T
Rear sprocket 43 T

CHASSIS / SUSPENSION / BRAKES

Front suspension Telescoping
Brakes Cable-operated drum, front and rear
Tire 12×4.00-5

DIMENSION

N/A

OTHER

Colors
  • Gypsy Yellow
  • Sprout Green
  • Scarlet Red
  • Fuel tank: surrounded by a black rubber molding
  • Fenders: no stripes and were colored the same as the fuel tank
  • Front forks and frame were a dark gray
  • Handlebars had a swivel lock
  • Serial number began: QA50-1000001
  • Similar to the Z50 in size, but the wheels were “fatter.”

1973 Honda QA50K1

Engine

Displacement 49cc single cylinder OHV
Spark plug C7HSA
Plug gap .028

DRIVETRAIN

Transmission 2-speed with an automatic clutch
Chain #420 x 78
Front sprocket 15 T
Rear sprocket 43 T

CHASSIS / SUSPENSION / BRAKES

Front suspension Telescoping
Brakes Cable-operated drum, front and rear
Tire 12×4.00-5

DIMENSION

N/A

OTHER

Colors
  • Hawaiian Blue Metallic
  • Candy Ruby Red
  • Fuel tank was surrounded by a chrome molding
  • Fenders: white with a blue or red stripe to match the main color
  • Front forks: silver
  • Frame: black
  • Handlebars: changed from a swivel lock to stationary bars
  • Serial number began: QA50-2000001

1974 Honda QA50K2

Engine

Displacement 49cc single cylinder OHV
Spark plug C7HSA
Plug gap .028

DRIVETRAIN

Transmission 2-speed with an automatic clutch
Chain #420 x 78
Front sprocket 15 T
Rear sprocket 43 T

CHASSIS / SUSPENSION / BRAKES

Front suspension Telescoping
Brakes Cable-operated drum, front and rear
Tire 12×4.00-5

DIMENSION

N/A

OTHER

Colors Candy Orange
Fuel tank surrounded by a chrome molding
Fenders white
Front forks silver
Frame black
Handlebars stationary bars
Serial number began QA50-3000001.

1975 Honda QA50K3

Engine

Displacement 49cc single cylinder OHV
Spark plug C7HSA
Plug gap .028

DRIVETRAIN

Transmission 2-speed with an automatic clutch
Chain #420 x 78
Front sprocket 15 T
Rear sprocket 43 T

CHASSIS / SUSPENSION / BRAKES

Front suspension Telescoping
Brakes Cable-operated drum, front and rear
Tire 12×4.00-5

DIMENSION

N/A

OTHER

Colors Mars Orange
Fuel tank surrounded by a chrome molding
Fenders white
Front forks silver
Frame black
Handlebars stationary bars
Serial number began QA50-4000001

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