·
…22…
·
IX. TROUBLESHOOTING
1.…Start…Engine…Difficultly…(By…using…recoil…starter)
TROUBLE
CAUSE
REMEDY
Normal
…cylinder
…compression
Normal
…spark
…plug
…spark
Something
…wrong
…with
…the
…fuel
…system.
Fuel
…supply
…is
…not
…
smooth
…or
…no
…fuel
…supply
.
There…is…no…enough…fuel…in…fuel…
tank…and…fuel…cock…is…closed.
Fill…fuel,…open…fuel…cock.
Air…vent…in…the…fuel…filler…cap…is…clogged
Dredge…air…vent.
Fuel…cock…is…clogged
Clean…first…and…then…dredge
Improper…or…clogged…main…oil…
flow…hole.
Readjust…or…clean,…blow…to…get…
through.
Needle…valve…is…not…closed…prop-
erly…or…start…hole…is…clogged.
Dismantle…needle…valve…and…re-
pair,…clean,…blow…to…get…through.
Float…is…damaged…or…sticking.
Repair…float
Fuel
…supply
…is
…
normal.
…
Fuel…is…too…filthy…or…deterio-
rated
Replace
There…is…water…in…fuel.
Replace
Too…much…fuel…in…engine
Drain…extra…fuel,…dry…up…spark…
plug…electrodes.
Wrong…fuel…brand
Select…proper…fuel…brand…corre-
sponding…with…the…requirements.
Normal
…fuel
…supply
…system.
N
or
m
al
…h
ig
h…
–
ten
sio
n…l
ine
…sp
ark
.
Sp
ark
…pl
ug
…is
…
in…
ba
d…c
on
dit
ion
s
Too… much… carbon… deposit…
and…dirt…around…electrodes.
Clear…away.
Electrodes…are…burn…damaged…
seriously…or…insulators…damaged.
Replace…spark…plug.
Improper…electrodes…gap.
Adjust…to…proper…value.
High-tension
…
line
…no
…spark
Normal
…
spark
…plug
High…–tension…line…is…dam-
aged.
Replace
Ignition…coil…is…damaged.
Replace
Magneto…loses…magnetism.
Replace
Wrong…gap…between…ignition…
coil…and…flywheel
Adjust…gap…between…ignition…and…
flywheel
Abnormal
…cylinder
…compression.
Normal
…fuel
…supply
…system.
High-tension
…coil
…run
…out
…Normal
…
ignition
…system.
Piston…ring…is…worn…to…or…even…
over…its…wear…limit
…Replace
Piston…ring…is…broken.
Replace
Piston…ring…is…sticking.
Clear…up…carbon…fouling.
Spark…plug…is…not…installed…
tighten…or…without…a…gasket.
Tighten…with…a…gasket…in.
Air…leakage…between…cylinder…
block…and…cylinder…head.
Check… cylinder… gasket,… and…
the…flatness…of…the…surface…by…
which…cylinder…block…contact-
ing…with…cylinder…head
Tighten…cylinder…head…bolts…in…stip-
ulated…order…to…stipulated…torque.
Air…leakage…in…the…valves
Check…valve.…Clearance…and…
tightness,…repair…if…necessary.
TROUBLESHOOTING
Содержание 173cc
Страница 2: ......
Страница 9: ...6 2 Model No MODEL NO FINISHED PRODUCT NO PARTS DESCRIPTION SER NO 170...
Страница 30: ...27 B1 Black ENG SWITCH ENG SWITCH SPARK PLUG IGNITION COIL ON OFF XI ELECTRIC DIAGRAM ELECTRIC DIAGRAM...
Страница 31: ...28 XII Parts List and Diagram Assembly Diagram Parts List and Diagram...
Страница 38: ......
Страница 45: ...6 No de mod le No DE MOD LE No DU PRODUIT FINI DESCRIPTION DES PI CES No DE S RIE 170...
Страница 67: ...28 XII Liste et sch ma de pi ces Liste et sch ma de pi ces Assemblage Diagramme...
Страница 74: ......
Страница 75: ......
Страница 76: ......