1981 Honda C70 Deluxe Passport Super Cub

Susuka, Japan Plant- USA Import

1981 Honda C70 Deluxe Passport Super Cub

Bike restoration started in 2019 after sitting for 13+ years

Bike Specs

  • Honda Japan- Susuka Japan plant USA import

  • Parakeet yellow

  • Michelin City Pro Tire 2.5” front, 2.75” rear

  • Maxima Racing Premium 4-Stroke motorcycle oil

  • Premium gas

  • Original parts & stickers- repainted side covers, shocks & air filter cover due to fading/cracking

  • Transmission: 3 speed constant mesh

  • Ignition: Flywheel magneto

  • Engine: 4 stroke air cooled single cylinder

  • Wet multi plate centrifugal clutch

  • 6v 11AH battery

  • Carburetor: Piston valve (slide), 14mm (0.55") venturi bore

  • NEW

    • LIFEAN E22 70/90CC HEAD VALVE_SET 20MM/23MM

    • Rebuilt KEIHIN original carburetor. 

      • All parts replaced except for the choke mechanism & the push in idle jet/slow jet (cant find replacement)

      • Changed main jet from 88 to 90

      • Changed needle, slide and main jet to the larger diameter needle offered by Dr. ATV/Beatrice Cycle & #90 main jet

RESOURCE LINKS

Maintenance Images

SHENG WEY CARBUERATOR REBUILD 1981 HONDA C70

Keyster KH-0396N kit

  • Used all repair parts except for the main jet emulsion tube, main jet #88, main jet seat and needle.

Dr. ATV Carb A Heart Transplant ATC70 (217L)

  • Used entire kit: main jet emulsion tube, main jet #90, main jet seat and needle

MAINTENANCE LOG