Generic XOR 50 ccm, Service Manual

Page: 38 / 110

38
Standard clearance
1st
：
0.04-0.06mm(0.0016-0.0024in)
2nd
：
0.02-0.04mm(0.0008-0.0016in)
Reed valve
Check the clearance A between reed valve and its
seat and the dimension B. If the clearance A is noted
to exceed 0.2mm, replace the reed valve assembly.
The dimension B is at least 1mm.
ENGINE Reassembly
Reassembly is generally performed in the reverse
order of disassembly, but there are a number of
reassembling steps that demand or deserve detailed
explanation or emphasis. These steps will be taken
up for respective parts and components.
Oil seals
fit the oil seals to the crankcase following the
procedure below. Replace removed oil seals with
new ones.
z
Lubricate the edge of oil seal
z
Install oil seal into crankcase
carefully with special tool.
Oil seal installation
Bearing
Install new bearing with
special tool
Install bearing
First heat up the cover and
cool down the bearing. The
install would be much easier
and better for the bearing.