LONCIN G250F - 4.12 Crankshaft, Piston, and Camshaft Service

Section 4 Disassembly and service
4.12 Crankshaft / piston / camshaft
Disassembly / reassembly
Governor driving gear
Oil sealing
25×41.25×
6mm
crankcase
Oil drain bolt
25-30N·m
Connecting rod bolt (2)
10-12N ·
m
Assembly:
Face the sprinkling oil spoon to
cam and align the connecting
rod to convex portion of the
cover in assembling.
Connecting rod cover
Assembly:
Insert until the bearing
contacts crankshaft, be
careful not to damage
oil sealing.
Crankshaft
Timing gear
Crankcase cover
Bolt
8×32
Ball bearing
6205 (2)
Assembly:
Put the triangular
sign facing to push
rod hole in fitting,
Push rod hole side
Piston
Valve stem（2）
Assembly:
Assemble cam immediately
after assembling lifter
Cam shaft
After assembled
crankshaft, align the
timing mark on the
camshaft flush to
check.
Making sign
Oil filler cap
Crankcase cover
Timing gear
Crankshaft
Assembly:
Insert until the bearing
contacts crankshaft, be
careful not to damage
oil sealing.
Connecting rod cover
Assembly:
Face the sprinkling oil spoon to
cam and align the connecting
rod to convex portion of the
cover in assembling.
Connecting rod bolt (2)
Crankcase
Governor driving gear
Oil sealing
28×41.25×6 mm
Crankcase Cover Gasket
Torque: (13~15)N•m
4-24
Bolt: M8×32,(6)
Torque: (27~30)N•m
Oil sealing
25×41.25×6 mm
Governor assy
PIN (2)
Packing,Oil Filler