3. LUBRICATION SYSTEM K-PIPE 125 SERVICE INFORMATION GENERAL INSTRUCTIONS · The service and maintenance of this section can be performed with the engine installed in the frame. · Use care when removing and installing the oil pump not to allow dust and foreign matters to enter the engine and oil line. · The oil pump must be replaced as a set when it reaches its service life. · After the oil pump is installed, check each part for oil leaks and improper lubrication. · When removing and installing the oil cooler, be careful not to bend or deform the oil pipe. SPECIFICATIONS Item Standard (mm) Service Limit (mm) Tip clearance 0.20 Oil pump Body clearance 0.20 End clearance 0.100.15 0.15 TROUBLESHOOTING Oil level too low Engine burns · External oil leak · Oil not changed often enough · Worn valve guide or seal · Head gasket faulty · Worn piston rings · Worn piston rings 3-2