How to Correct the Ignition Timing of Motorcycle 125cc Injector?

When aiming at a jet motorcycle with a displacement of 125, it is necessary to remove the cylinder block of the vehicle first, then remove the left generator, and finally aim at the camshaft. The specific operation steps are as follows:

1. Remove the engine block and expose the camshaft.

2. Remove the generator of the engine.

3. Take out the shaft pin of the camshaft.

4. Remove the camshaft.

5. Align the marking point of the camshaft with the marking line of the engine to complete the alignment.