Honda ST70C - 1982 Specifications and Reviews

The 1982 Honda ST70C is a compact 72cc minibike designed for young riders and beginners seeking an affordable, reliable entry into motorcycling. Its lightweight frame, simple three-speed transmission, and fuel-efficient engine make it ideal for casual riding and learning fundamental skills. Known for Honda's dependable engineering and practical commuter performance, it remains a popular choice for entry-level riders.

1982
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General information

CategoryMinibike, cross
Year1982
ModelHonda ST70C

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox3-speed
Cooling systemAir
Fuel controlOHC
Valves per cylinder2
Fuel systemCarburettor
Bore x stroke47.0 x 41.4 mm (1.9 x 1.6 inches)
Compression8.8:1
Power5.36
Stroke4
Engine typeSingle cylinder
Capacity:72.00 ccm (4.39 cubic inches)
 
 

Physical measures and capacities

Overall width570 mm (22.4 inches)
Overall length1,510 mm (59.4 inches)
Overall height960 mm (37.8 inches)
Dry weight69.0 kg (152.1 pounds)
 
 

Honda ST70C dimensions and frame

Rear brakesExpanding brake (drum brake)
Front brakesExpanding brake (drum brake)
Rear tyre dimensions3.50-10´
Front tyre dimensions3.50-10´
Rear suspensionOil dampers
Front suspensionOil damper
Trail58 mm (2.3 inches)
Rake (fork angle)65.0°

Speed and acceleration

Power/weight ratio0.0777 HP/kg
Top speed65.0 km/h (40.4 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Modifications compared to previous modelFront suspension is an oil damper not a spring damper as previous models.
Color optionsCandy Saphire Blue PB-3C
Fuel capacity2.50 litres (0.66 gallons)

Performance Profile & Rider Fit

5.4 hp
Peak Power
40.4 mph
Top Speed

Best For

Track5%
City35%
Cornering20%
Daily Riding20%
Touring5%
Passenger5%

Rider Profile

Best ForThis tiny minibike is best suited to absolute beginners, children, or adults looking for a slow, low-stakes runabout rather than a capable street or trail machine.
PurposeIt's a small-wheeled fun bike intended for casual, low-speed cruising around a yard, campsite, or quiet backroads rather than any serious transportation or off-road use.
Rider FitIts very low seat height, light 69 kg dry weight, and small dimensions make it accessible and unintimidating for smaller or less physically strong riders.
CharacterThe ST70C has a playful, toy-like charm with basic drum brakes and a 3-speed gearbox that reward simplicity over performance.
Not Ideal ForThis is not the bike for anyone wanting real-world commuting speed, highway travel, aggressive cornering, or genuine off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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