ZONGSHEN ZS250GY-3(EFI), Maintenance Manual

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[6]Put front wheel on rectification desk and rotate
it in high speed to check the abrasion condition
and free strock. if it is abraded, dismantle it and
replace.
When there is noise or free strock turn wide, replace
it with new beering. And assemble beering with the oil
seal inside.
CAUTION
check front
wheel shaft
[9]Check the abrasion of front outer tyre. The maintainance
limit value of front outer tyre thread is 2.00mm. If the
pressure of front wheel is insufficient, check whether
inner tyre valve core has leakage,then check whether in-
ner tyre has leakage.
CAUTION
If inner tyre valve core has leakage, repair or
replace the core, If inner tyre has leakage, fix or
replace inner tyre.
[7]If front wheel shaft abrade badly, knock it out by
using shaft disassembling tools and replace it with
the new one.
CAUTION
[8]Put front wheel on rectification desk to check the
vibration of it. Rotate it with hand and use dial
indicator to test the value and read the value.
Maintainance limit value
：
Radial 2.0mm
Axial 2.0mm
CAUTION
When assembling front wheel shaft, add grease
on it and assemble beering with the oil seal inside.
If the vibration value is over maintainance limit value
above, rectify or replace it.
disassem-
bling front
wheel shaft
measure the
vibration of
front wheel
check
inner/ouer
tyre