HOT CAMS

CAM YAM YZ250F 4271-1E

Camshaft Exhaust Stage 1

  • Stage 1 is designed for low end torque
  • Adds a 5%-10% power gain
  • Designed and dyno proven in the USA
  • Manufactured by utilizing state of the art valvetrain software
  • CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
  • Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
  • Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.
  • For dual cam engine.


  • Bottom end and mid range increase. Designed with I.T.R. technology. Includes auto-decompression mechanism. Exhaust Valve Lash: 0.220 mm.
    € 309,22 incl. VAT

    Out of stock

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    We prepare your vehicle for the road
    Large assortment
    Specialized in recreational vehicles
    Camshaft Exhaust Stage 1

  • Stage 1 is designed for low end torque
  • Adds a 5%-10% power gain
  • Designed and dyno proven in the USA
  • Manufactured by utilizing state of the art valvetrain software
  • CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
  • Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
  • Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.
  • For dual cam engine.


  • Bottom end and mid range increase. Designed with I.T.R. technology. Includes auto-decompression mechanism. Exhaust Valve Lash: 0.220 mm.
    Article number
    09250879:4271-1E
    Application
    Exhaust
    Exhaust Duration
    246,700°
    Exhaust Duration Imperial
    246.700°
    Exhaust Lift
    8,590 mm
    Exhaust Lift Metric
    8.590 mm
    Exhaust Lobe Centerline
    103,440°
    Exhaust Lobe Centerline Imperial
    103.440°
    Product Name
    Camshaft
    Research Value
    Finalized
    Riding Style
    Off-Road
    Type
    Stage 1
    Units
    Each

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