How to replace the camshaft and rocker arm of CG 125 motorcycle? What tools are needed? What are the specific operation steps?

The tools needed to replace the camshaft and valve rocker arm of CG 125 motorcycle mainly include: 8#, 10#, 12#, 14#T socket wrenches, 14- 17, 8-/.

Specific steps:

1, drain the engine oil.

2. Remove the exhaust pipe and carburetor, cylinder head cover and valve rocker arm frame, pull out the valve ejector rod, and remove four fixing screws in the cylinder head and one fixing screw on the left outside.

3. Then pull off the cylinder head, remove the two fixing screws of the cylinder block, and then pull off the cylinder block upward.

4. Lever out the rocker shaft with a screwdriver and replace the rocker arm.

Note: When installing, pay attention to a small dot on the camshaft gear and align it with the dot on the timing gear on the crankshaft, otherwise the valve timing will be wrong.