Tuesday, December 6, 2011


The Honda CB125s is a 122 cc motorcycle manufactured by Honda from 1971-1975 (1973-1985 in the US). It features an overhead camshaft (OHC) engine with a 9500 rpm redline and offers 100 mpg. It could comfortably maintain speeds of 55 mph and had a top speed of around 65 mph. The engine could last tens of thousands of miles with only minimal attention; however, the oil had to be changed regularly (700 miles) to prevent premature wear of the camshaft bearings. The "S" model was produced from 1971 to 1975 and was replaced in 1976 by the "J" model (the US bikes retained the S designation). The newer model sported a two piece head, 124cc displacement, and a larger carburettor, but it did not perform as well as the earlier models.

Spesifikasi Honda CB 125 S

Engine and transmission
  • Displacement: 124.00 ccm (7.57 cubic inches)
  • Engine type: Single cylinder
  • Stroke: 4
  • Power: 14.00 HP (10.2 kW)) @ 10000 RPM
  • Compression: 9.4:1
  • Bore x stroke: 56.5 x 49.5 mm (2.2 x 1.9 inches)
  • Valves per cylinder: 2
  • Fuel control: OHC
  • Cooling system: Air
  • Gearbox: 5-speed
  • Transmission type final drive: Chain

Physical measures
  • Weight incl. oil, gas, etc: 105.0 kg (231.5 pounds)

Chassis and dimensions
  • Front tyre dimensions: 2.75-18
  • Rear tyre dimensions: 3.00-17
  • Front brakes: Single disc
  • Rear brakes: Expanding brake

Speed and acceleration
  • Top speed: 116.0 km/h (72.1 mph)

Fuel capacity: 9.50 litres (2.51 gallons)

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