The removal steps of the magneto rotor are as follows:
1. Remove the locking nut of the magneto rotor;
2. Remove the rotor of the magneto with a special tool.
Note:
1. When the rotor of the magneto is removed, it can only
be removed with special tools, and it is not allowed to
knock the rotor of the magneto;
2. If the magneto rotor is subjected to accidental impact
in the process of disassembly and assembly, such as the
magneto rotor falls to the ground or is struck by foreign
bodies, it should be replaced with a new magneto rotor.
Removal of starting motor and starting sprocket
The removal steps of starting motor and starting
sprocket are as follows:
1. Remove the two GB/T 5787/ M6x25 bolts fastening
the starting motor;
2. Remove the starting motor;
3. Remove 1 hexagon head bolt GB/T 5783-M6×10 for
fastening the starting sprocket press plate;
4. Remove the chain tension-plate, chain guide plate,
starting sprocket and starting chain.
Removal of transition plate
The removal steps of the transition plate are as follows:
1. Remove one GB/T 5777-M6x105 bolt, one GB/T
5777-M6x35 bolt, one GB/T 5777-M6x25 bolt and one
aluminum washer for securing the transition plate.
2. Remove the transition plate.
Removal of timing chain
The methods and steps of disassembling the timing chain are as follows:
Method one:
1. Remove the left cover of cylinder head;
2. Remove the three bolts fastening the timing driven sprocket;
3. Remove the chain guide roller pin fastening the chain guide roller on the cylinder body;
4. Remove the chain tensioning roller on the tensioning arm;
5. Remove the timing chain.
Method two:
1. Lower cylinder head and cylinder body;