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1967 Yamaha RA31A Pictures

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The Yamaha RA31A ridden to world championship victories by Bill Ivy in 1967 and Phil Read in 1968.

Engine Type: Water cooled V4 two-stroke
Bore & Stroke: 35mm x 32.4mm
Capacity: 124.6cc
Induction: Rotary Disc Valve
Carburettor: Mikuni VM22
Ignition: Magneto/Transistor
Power Output: over 42bhp @ 17,400 rpm
Transmission: Dry clutch 9 speed
Weight: 95kg

  • Manufacturer: Yamaha
  • Model: RA31A
  • Engine: 125cc V4
  • Year: 1967
  • Decade: 1960s
  • Machine Type: Race

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