1981 Honda C70 Deluxe Passport Super Cub
Suzuka, Japan Plant- USA Import




1981 Honda C70 Deluxe Passport Super Cub
Bike restoration started in 2019 after sitting in garage 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
Support
Honda Passport c70 and Cubs Facebook group
Carl Salter Honda Maintenance Maintenance breakdown
CMS parts diagrams & manuals
Parts
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