NOTE:1. For new motor run-in period is 300km at least.
2. During run-in period, it is prohibited to accelerate throttle handle too fast, you can grip the handle slowly (step by step), or the motor will be locked up.
3. Mixing ratio of fuel and engine oil: 16:1 for new sets, 20:1 after running 500km.


Package include:

1* LD100 motor ONLY

1*CDI

2* Spark Plugs


JZsports 2 Stroke LD100 Motor-Gas Motorized Bicycle Real 80CC

Key information:
2 Stroke LD100 motor ONLY with stamp YD100 on rod;
LD100-Real 79CC/80CC Engine;
Cylinder and head are separate
Better adjusting clutch a little before riding
Excluding manual;
Improved magneto as well;
Cylinder inner diameter 50mm;
Piston outside diameter 50mm;
8mm front and rear mount studs;
40mm alum intake stud spacing
2 stroke motor LD100 Bore and Stroke 50mm x 40mm Allen bolts on intake side;

Spark plug excluded; 
Buyers need clean the port before use which keep the long working life of motor;
LD100 end bottom is different with standard 80cc one, so the jug and piston of 80cc are not compatible with LD100 ones;
Unique design on cylinder with 50mm bore and 40mm stroke Muffler port; 
Rear mount of LD100 with front and rear studs 8mm;
LD100 cylinder bore 50mm;

JZsports LD100 Upgraded Capacitor Discharge Ignition CDI&2 Spark Plugs-Gas Motor

Key Product Features

  • LD100 motor Capacitor Discharge Ignition-CDI-Gas Motorized Bicycle
  • High Performance CDI for mtorized bike parts;
  • Less resistance and power loss than your stock CDI
  • Increase the efficiency of your engine with this high performance CDI
  • Cold weather and warm weather, it works better than standard cdi.

Key Product Features of Spark Plug

  High performance 3 Prong Spark Plug M4×1.25
  Marked Z4JC for 2 stroke 80cc engine kits