ZONGSHEN ZS155 GPX - SPORT-TOYS EDITION

This is our "Evil" version of Zongshen ZS155 engine. It has 53mm dome head and with 0,7mm cylinder squish. This solution provides an increase of compression ratio to 11.1 (instead 8,9:1 with standard 56mm dome and 1,6mm cylinder squish). This means more power, more torque and better performance.

Our ZS155 comes wiht 8,00 highlift camshaft, decompressor and 6 plastes clutch. The close ratio geashift has a better spacing of 1st and 2nd gear: 1=2.62 2=1.71 3=1.353 4=1.05 instead of normal one 1=2.62 2=1.71 3=1.353 4=1.05.

N.B. KLX Intake and CRF exhaust standard.

SPECIFICATIONS:
- 155cc Cylinder capacity
- internal oilfilter
- Head decompressor
- Bore x Stroke: 60mmx55mm
- compression ratio: 10,9:1
- Valve diameter, 28 inlet, 23 exhaust
- 8,00mm highlift race camshaft
- 6 plates clutch
- Manual, Strengthened gears, all up gears N-1-2-3-4, close ratio 1=2.62 2=1.71 3=1.353 4=1.05
- ZS Digital ignition
- New improved 16mm kick start shaft

NOTE: CDI and wiring not included