KYMCO AK 550 Service Manual page 105

4.Engine
AK 550
4.Engine
This chapter covers the location and servicing of the engine components for the
KYMCO AK 550 model.
General Instructions ......................................................................4-1
Troubleshooting .............................................................................4-2
Engine Torque Specifications .......................................................4-5
Cylinder Head Cover ......................................................................4-7
Camshaft .........................................................................................4-11
Cylinder Head .................................................................................4-16
Cylinder ...........................................................................................4-19
Piston ..............................................................................................4-20
CVT ..................................................................................................4-21
Left Side Cover ...............................................................................4-36
Fly Wheel ........................................................................................4-38
Mission Box ....................................................................................4-42
Crankcase .......................................................................................4-53
Crankshaft/Balancer Gear/Plane Bearing ....................................4-56
Plane Bearing Selection ................................................................4-57
Engine Removal .............................................................................4-62
GENERAL INSTRUCTIONS
Lubrication System
The maintenance of lubrication system 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.
Do not attempt to disassemble the oil pump.
After the oil pump is installed, check each part for oil leaks.
4-1