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Specifications & description


  • Engine type: 49cc air-cooled single-cylinder four-stroke
  • Bore and stroke: 39.0mm x 41.4mm
  • Compression ratio: 10.0:1
  • Valve train: SOHC; two-valve
  • Induction: 13mm piston-valve carburetor
  • Ignition: CD

Drive train

  • Transmission: Three-speed with automatic clutch
  • Final drive: #420 chain; 14T/37T

Chassis suspension brakes

  • Front suspension: Inverted telescopic fork; 3.5-inches of travel
  • Rear suspension: Single-shock; 2.8-inches of travel
  • Front brake: Drum
  • Rear brake: Drum
  • Front tire: 2.50-10
  • Rear tire: 2.50-10


  • Rake (caster angle): 25.0°
  • Trail: 32.0mm (1.3 inches)
  • Wheelbase: 36.0 inches
  • Seat height: 21.6 inches
  • Ground clearance: 5.8 inches
  • Curb weight: 110 pounds (includes all standard equipment, required fluids and a full tank of fuel—ready to ride)
  • Fuel capacity: 0.7 gallons, including 0.2-gallon reserve


  • Model ID: CRF50F
  • Available Colors: Red
  • Emissions: Meets current EPA off-road emissions standards

Factory warranty information

  • Duration: Six months transferable limited warranty; extended warranty available with a Honda Protection Plan

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