List of Honda Engines - Motorcycle, ATV and Watercraft - 1-cylinder

1-cylinder

• Honda CRF 50
  • Engine Type 49cc air-cooled single-cylinder four-stroke
  • Bore and Stroke 39.0 mm x 41.4 mm
  • Compression Ratio 10.0:1
  • Valve Train SOHC; two-valve
  • Carburetion 13.0 mm piston-valve
  • Ignition CD
  • Hp:2.35

• Honda CRF 70
  • Engine Type 80cc air-cooled

single-cylinder four-stroke

• • Bore and Stroke 47.0 mm x 41.4 mm
  • Compression Ratio 9.0:1
  • Valve Train SOHC; two-valve
  • Carburetion 13.0 mm piston-valve
  • Ignition CD
  • Hp: 3.45

• Honda CRF 80
  • Engine Type 80cc air-cooled single-cylinder four-stroke
  • Bore and Stroke 47.5 mm x 45.0 mm
  • Compression Ratio 9.7:1
  • Valve Train SOHC; two-valve
  • Carburetion 20.0 mm piston-valve
  • Ignition CD
  • Hp:8.5

• Honda CRF100
  • Engine Type 99cc air-cooled single-cylinder four-stroke
  • Bore and Stroke 53.0 mm x 45.0 mm
  • Compression Ratio 9.4:1
  • Valve Train SOHC; two-valve
  • Carburetion 22.0 mm piston-valve
  • Ignition CD

• Honda CRF150
  • Engine Type 149.0cc air-cooled single-cylinder four-stroke
  • Bore and Stroke 57.3 mm x 57.8 mm
  • Compression Ratio 9.5:1
  • Valve Train SOHC; two-valve
  • Carburetion 24 mm piston-valve
  • Ignition CDI

• Honda CRF230
  • Engine Type 223cc air-cooled single-cylinder four-stroke
  • Bore and Stroke 65.5 mm x 66.2 mm
  • Compression Ratio 9.0:1
  • Valve Train SOHC; two-valve
  • Carburetion 26 mm piston-valve
  • Ignition CDI

• Honda CRF250X
  • Engine Type 249cc liquid-cooled single-cylinder four-stroke
  • Bore and Stroke 78.0 mm x 52.2 mm
  • Compression Ratio 12.5:1
  • Valve Train Unicam; four-valve
  • Carburetion Keihin 37.0 mm flat-slide with throttle position sensor (TPS)
  • Ignition CD with electronic advance and lighting coil
  • Starter Electric & kick