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notfpSingle-CylinderUnder 125ccScooterClassic & Vintage Motorcycles
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Honda 50cc Express II (NA50) Motorcycles

1979 Honda NA50’79 Express II

Engine
Engine
  • 49cc 2-stroke single cylinder with oil injection
  • It also had a wind-up spring starting system, points ignition, and manual choke.
Spark plug BP4HS
Plug gap .028
Battery 6N4-2A-6 (see also 6N4-2A-8) — 6 volt

DRIVETRAIN
Transmission one-speed automatic transmission.

CHASSIS / SUSPENSION / BRAKES
It had twin chrome frame downtubes.

DIMENSION

 N/A

OTHER
Colors
  • Parakeet Yellow
  • Shiny Orange
  • Angel Blue
Frame AB01-5000001
Engine AB01E-5000001

1980 Honda NA50’80 Express II

Engine
Engine
  • 49cc 2-stroke single cylinder with oil injection
  • It also had a wind-up spring starting system, points ignition, and manual choke.
Spark plug BP4HS
Plug gap .028
Battery 6N4-2A-6 (see also 6N4-2A-8) — 6 volt

DRIVETRAIN
Transmission one-speed automatic transmission.

CHASSIS / SUSPENSION / BRAKES
The twin chrome frame downtubes were replaced by a single chrome downtube.

DIMENSION

 N/A

OTHER
Colors
  • Parakeet Yellow
  • Angel Blue (Shiny Orange was dropped this year)
Frame AB01-5000001
Engine AB01E-5000001

1981 Honda NA50’81 Express II

Engine
Engine
  • 49cc 2-stroke single cylinder with oil injection
  • The points ignition was replaced with a CD ignition.
  • The manual choke was replaced with an automatic choke.
  • The wind-up spring starting system was replaced with a direct kick starting system.
Spark plug BP4HS
Plug gap .028
Battery 6N4-2A-6 (see also 6N4-2A-8) — 6 volt

DRIVETRAIN
Transmission automatic 2-speed.

CHASSIS / SUSPENSION / BRAKES
N/A

DIMENSION

 N/A

OTHER
Colors
  • Angel Blue
  • Monza Red (this time the Parakeet Yellow was dropped)
Frame JH2AB0110BS200008
Engine AB01E-5200001

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