Zontes ZT125-M 2022, Maintenance Manual

Page: 148 / 218

148
/
218
1-M6×90 bolt×2 2-O ring×2 3-O ring 4-starter motor front cover 5-gasket 6-rectangular sealing ring 7-starter motor outer shell 8-
rectangular sealing ring 9-electric pole 10-screw ×2 11-Negative brush×2 12-Volute spring×4 13-Positive brush×2 14-Brush frame
15-Brush holder insulation gasket 16-Starter motor back cover 17-Insulation gasket 18-Nut×2 19- Gasket
Examination
Starter motor front cover
：
Check whether the oil seal of the front cover is worn and
damaged;
Also check whether the outer ring fits tightly with the front
cover.
Motor back cover
：
Check whether the bushing of the back cover is worn or
damaged;
Check whether the brush is damaged, measure the length
of the brush, and use the limit11.5mm
（
0.45in
）
.
Check the connectivity of the back cover as follows
：
The positive brush is connected to the end of the cable;
the cable end is not connected to the back cover; the
negative brush is connected to the back cover.
Denki
：
Clean the metal scraps on the electric screw, and check
whether the commutator bar is discolored;
Check that there should be a gap between the commutator
and the crankshaft.
Check the starting relay
●The M125 /350 steps are similar to the M310, taking the
M310 as an example.
1. Operation check
a. Remove the seat cushion, remove the battery box cover
assembly, and pull out the starting relay.