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