Level 2 Service And Maintenance; Level 3 Service And Maintenance - um CHILL 125 cc. Service Manual

Level 2 Service and Maintenance

Level 2 Service and Maintenance should be performed every time after the
motorcycle runs 3000km~6000km. Its main contents are as follows:
1. Remove the carbon deposit on the parts such as cylinder, piston, piston
ring, cylinder head and silencer, and clean them.
2. Check the wear of the cylinder, piston and piston wear. Check whether
the compression ratio of the cylinder falls within the range of standard
values.
3. Check the wear of the clutch friction lining and brake shoes. Replace them
in time if any serious wear is found.
4. Clean the air filter, fuel tank, fuel filter, etc.
5. Clean the upper and lower steel balls of the steering column, and fill
lubricating oil or grease.
6. Check whether the axial and radial runout wear of the front and rear
wheel, and adjust it if necessary.
7. Clean, lubricate, and check connections in the controller cables of the
whole motorcycle. Check the wear of controller cables, and replace them
if necessary.
8. Clean the rear transmission box and replace the lubricant in it if necessary.
Check the wear of the front clutch friction lining, rear clutch friction lining
and drive belt. Replace them if necessary.
9. Wipe off dust on the rearview mirror, and check whether the rearview
mirror is properly located.
10. Check whether the electrical components of the whole motorcycle can
work normally.
CHILL 125 cc. SERVICE MANUAL AND EFI DIAGNOSTIC

Level 3 Service and Maintenance

Level 3 Service and Maintenance should be performed every time after the
motorcycle runs 6000km~10000km. Its main contents are as follows:
1. Ensure normal oil supply for the lubricating system.
2. Ensure normal work of the air distribution mechanism.
3. Ensure normal work of the electric startup system.
4. Ensure normal operation, of front and rear automatic clutches and the
drive system.
5. Check whether there is any crack, erosion, spalling or serious stepped
wear on each gear tooth of the rear transmission box.
6. If case of disassembling the engine, the carbon deposit on the cylinder
head, piston top, piston ring and exhaust port should be removed. Check
the fit clearance between the piston and the cylinder wall, and the smaller
head of the crank connecting rod and the piston pin.
7. Ensure normal work of front and rear shock absorbers, the frame and
accessory mechanisms.
8. Ensure normal fuel supply for the fuel system.
9. Ensure normal work of instruments and the electric system.
10. In case of disassembling the whole motorcycle, check if there is any
damaged part for the steering column, front and rear wheels, the air filter,
front and rear brakes, the maneuvering system, and the drive system.
Clean each part and fill in lubricating grease and lubricating oil. Adjust the
fit clearance after reassembly .
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