Video: Yamaha's Cross-Plane Engine Explained - gallery

9 photos
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    Why Did Yamaha Go A Different Direction To Every Other Manufacturer?
    This video tells us why
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    Flat Plane Crank
    Pistons fire at 180 degree intervals
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    Cross Plane Crank
    So called because the four crank pins are 90 degrees from each other and, looked at from the end, form a cross.
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    Cross Plane Vs. Flat Plane
    Two cylinders look like they are together on the Cross Plane, but in actual fact they are on completely different parts of the stroke
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    Demonstration of how the firing order changes the sound
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    Honda's V4 Two Stroke GP Engine
    Less power, better rideability
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    Tyres Also Played a Part
    The development of radial tyres changed the power delivery requirements
  • Video: Yamaha's Cross-Plane Engine Explained - gallery
    How the Firing Order Affects Tyre Performance
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