Service manual part Engine for CG-125/150
HARTFORD INDUSTRIAL CO., LTD.
Chapter 4 Cylinder,cylinder head,valves and piston
4
.1 Reason a breakdown -------------------------------------------4-1
4.2 Specifications ------------------------------------------------------4-2
4.3 Removing cylinder------------------------------------------------4-3
4.3.1 Removing the cylinder head cover------------------4-3
4.3.2 Removing the cylinder head--------------------------4-3
4.3.3 Removing the cylinder ---------------------------------4-4
4.4 Inspection and overhaul ----------------------------------------4-5
4.4.1 Check the holder comp pkr ---------------------------4-5
4.4.2 Check the pushrod --------------------------------------4-5
4.4.3 Check the Guide pushrod -----------------------------4-5
4.4.4 Check the cylinder --------------------------------------4-5
4.4.5 Check the piston-----------------------------------------4-6
4.4.6 Check the spring valves -------------------------------4-7
4.4.7 Check the cylinder head -------------------------------4-7
4.4.8 Inspect the valves and valve guides ---------------4-8
4.4.9Inspect/overhaul the valve seats ---------------------4-9
4.5 Installing the cylinder --------------------------------------------4-10
4.5.1Installing the cylinder ------------------------------------4-10
4.5.2Installing the piston rings -------------------------------4-11
4.5.3Installing the cylinder head ----------------------------4-12
