Big Bore Piston

270cc

  • 23943c Vertex Piston Yamaha Yz250f 79,97mm 4t Bb Big Bore 270cc 2014-2017 Set R
  • 23943a Vertex Piston Yamaha Yz250f 79,95mm 4t Bb Big Bore 270cc 2015- (set Ring)
  • Piston Kit (270cc Big Bore) Vertex 23867c
  • Piston Kit (270cc Big Bore) Vertex 23867c
  • Piston Kit (270cc Big Bore) Vertex 23867a