HONDA Motorcycle
C70 Passport, C70M, CM70

1970-71 Honda C70M (also called C70MK0 or CM70)

• Like the early cub, this model did not significantly look any different
• Available colors: Aquarius blue, Bright red, and Pine green
• Leg guard/cowling: white
• Fuel tank emblem read "HONDA 70"
• Seat: long (for two riders)
• Rear footpegs: standard
• Starter: electric start
• Tail light: large tail light common to other Hondas of the '70s
• Engine: 72cc OHC single cylinder
• Transmission: 3-speed with an automatic clutch
• Serial number began: C70M-017962

1972-73 Honda C70K1 (also called C70MK1)

• Like the early cub, this model did not significantly look any different
• Available colors: Strato Blue Metallic and Poppy Yellow Metallic
• Leg guard/cowling: White
• Fuel tank emblem read "HONDA 70"
• Seat: short
• Accessory: luggage rack over the rear wheel
• Starter: electric start
• Tail light: large tail light common to other Hondas of the '70s
• Engine: 72cc OHC single cylinder
• Transmission: 3-speed with an automatic clutch
• Serial number began: C70-2000000

1980 Honda C70 Passport

• Similar shape to the early cub
• Available colors: Parakeet Yellow and Angel Blue.
• Leg guard/cowling: White
• On the yellow bike, the long seat was brown and white
• On the blue model the long seat was black and white
• Accessory: Basket and rack were mounted above the front fender and a short luggage rack was mounted behind the seat
• A "HONDA C70" logo appeared on the fuel tank
• It had a six-volt system like the previous models
• Ignition: breaker points
• Starter: electric start
• Engine: 72cc OHC single cylinder
• Transmission: 3-speed with an automatic clutch
• Serial number began: DA01-1000014

1981 Honda C70 Passport

• Like the 1980 model with only a few exceptions
• The VIN had the 17 digits which indicated the country (first character), manufacturer (second character), year (10th character), and factory (11th character)
• Example: JH2DA0107BS100001
  • J=Japan
  • H=Honda
  • B=1981
  • S=Suzuka factory
• Available colors: Parakeet Yellow, Angel Blue, and Monza Red
• Long seat: black and white
• Leg guard/cowling: white
• Cowling now had another cutout next to the cylinder head
• Accessory: basket and rack were mounted above the front fender and a short luggage rack was mounted behind the seat
• "PASSPORT" logo appeared on the fuel tank
• It had a six-volt system like the previous models
• Ignition: breaker points
• Starter: electric start
• Engine: 72cc OHC single cylinder
• Transmission: 3-speed with an automatic clutch
• Serial number began JH2DA0106BS100003

1982 Honda C70 Passport

• Like the 1981 model with only a few exceptions
• The VIN had the 17 digits which indicated the country, manufacturer, year, and factory
• Example: JH2DA0107CS200001
  • J=Japan
  • H=Honda
  • C=1982
  • S=Suzuka factory
• Available colors: Angel Blue and Monza Red
• Leg guard/cowling: white (redesigned slightly)
• Side covers: redesigned slightly
• Long seat: black and white
• Accessory: basket and rack were mounted above the front fender and a short luggage rack was mounted behind the seat
• "PASSPORT" logo appeared on the fuel tank
• It now had a 12-volt system unlike the previous models
• Ignition: CD ignition instead of breaker points
• Starter: electric start
• Engine: 72cc OHC single cylinder
• Transmission: 3-speed with an automatic clutch

1983 Honda C70 Passport

• Like the 1982 model with only a few exceptions
• VIN had the 17 digits which indicated the country, manufacturer, year, and factory
• Serial number began: JH2DA0107DS300004 where D indicates 1983
• Available colors: Shuttle Blue Metallic, Special Silver Metallic, and Monza Red
• Leg guard/cowling: white
• Long seat: black and white
• Accessory: basket and rack mounted above the front fender and a short luggage rack mounted behind the seat
• The word "HONDA" was on the fuel tank and the word "PASSPORT" was on the side cover
• Electrics: 12-volt system
• Ignition: CDI with flywheel magneto
• The cowling eliminated the open cutouts of the previous years and installed pop-in covers in their place
• The rear shocks were chromed and were longer
• Engine: 72cc, OHC, four-stroke, single cylinder
• Bore & Stroke: 47x41.4mm
• Compression ratio: 8.8:1
• Carburetion: 14mm piston valve type
• Gas type: Regular
• Starter: Electric and kick
• Transmission: Three-speed constant mesh
• Clutch: Wet multi-plate automatic centrifugal
• Exhaust: single muffler
• Drive: Fully-enclosed drive chain reduces maintenance
• Brakes: Front and rear drum
• Front Suspension: Bottom link type
• Rear Suspension: Swing arm
• Front Tire Size: 2.25-17
• Rear Tire Size: 2.50-17
• Wheels: Wire spoke type
• Wheelbase: 1181mm (46.5 in.)
• Overall length: 1800mm (46.5 in.)
• Overall width: 660mm (26 in.)
• Seat height: 760mm (29.9 in.)
• Dry weight: 82 kg (180.8 lb)
• Fuel capacity: 4 liter (1.1 US gal.) (0.88 Imp. gal.)

1984 Honda C70 Passport

• Like the 1982 model with only a few exceptions
• Serial number began JH2DA0107ES300004 (E=1984)
• Engine type: OHC, four-stroke, single cylinder
• Displacement: 72cc
• Bore & Stroke: 47 x 41.4mm
• Compression Ratio: 8.8:1
• Carburetion: 14mm piston-valve type
• Ignition system: Flywheel magneto
• Starter: Electric and kick
• Transmission: Three-speed constant mesh
• Clutch: Wet multi-plate automatic clutch
• Brakes: Front and Rear Drum
• Front suspension: Bottom-link type
• Rear suspension: Swing arm
• Front tire: 2.25-17
• Rear tire: 2.50-17
• Wheels: wire spoke
• Drive: Fully-enclosed drive chain
• Accessories: Standard front basket and rear carrying rack
• Wheelbase: 1180mm (46.5 in.)
• Seat height: 760mm (29.9 in.)
• Fuel capacity: 4 liter (1.1 gal.)
• Dry weight: 82 kg (180.8 lb)
• Overall length: 1800mm (70.9 in.)
• Overall width: 660mm (26 in.)
• Fuel capacity: 4 liters (1.1 US Gal) (0.88 Imp. Gal.)
• Colors: Special Silveer Metallic; Shuttle Blue Metallic

CLICK YOUR COUNTRY FLAG TO EXAMINE OR PURCHASE BOOK

Honda C50, C70 & C90 (1967 to 1999) Service & Repair Manual (Haynes Service & Repair Manual Series) by Mervyn Bleach, Jeremy Churchill

Clymer Honda 50-110cc Ohc Singles, 1965-1999 by Clymer Publications Staff

Honda: 50-110cc OHC Singles 1965-1996 by Ed Scott

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