HARTFORD CG-125 Service Manual page 60

9.1Engine oil/Oil filter----------------------------- 9-1
9.1.1Check the engine oil ----------------- 9-1
9.1.2Change the engine oil ---------------- 9-1
9.1.3Clean the oil filter room -------------- 9-3
9.1.4Clean the oil filter screen ------------ 9-3
9.1.5Check the spark plug ----------------- 9-3
9.2 Periodic maintenance and check--------- 9-4
Service manual part Engine for CG-125/150
HARTFORD INDUSTRIAL CO., LTD.
Chapter 9 Maintenance