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ZONGSHEN Z155 "OLD" 4-SP (60 BORE / 13MM PIN)

SPECIAL YUMINASHI PARTS FOR THE OLD TYPE ZONGSHEN Z155 1P60YMJ ENGINES (PRE -2020)

- THE Z155 ENGINES ARE USING A KAWASAKI TYPE MANIFOLD (YX150/160 ENGINE ARE USING A HONDA TYPE MANIFOLD)
- Z155 ENGINES ARE ACCEPTING YX150/160 CYLINDER BLOCKS AND PISTONS WITH 13MM PISTON PIN

DETAILS COMPARED TO THE LATE Z155 H/O ENGINE TYPES:

  • BALL BEARING TYPE CRANKCASE
  • 5-DISK CLUTCH
  • 4.06 PRIMARY GEAR RATIO
  • 32T CAM SPROCKET / 16T CRANKSHAFT SPROCKET
  • 90L (3X4 TYPE) CAM CHAIN
  • SPLINED OUTPUT SHAFT

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