Echo CS-271T Service Manual

IGNITION SYSTEM
CS-271T
15
3-2 Testingspark
1. Remove air lter cover. Remove spark plug cap
from spark plug.
2. Connect spark plug cap to spark tester
99051130023 (A), and connect spark tester lead (B)
on spark plug as shown.
3. Screw in adjuster (a1) until the needle tips con-
tact. Turn out adjuster (a1) 4 turns to set spark
tester gap (a2) to 4 mm (0.16 in).
4. Turn ignition switch upward (“RUN” position).
Pull starter grip several times.
5. If spark is steady blue or white at the tester gap,
ignition system is considered good.
6. If no spark exists or spark is intermittent in
yellow, orange, or red, continue with further inspec-
tion.
DANGER
*Donot testnear sparkplug holewithout
sparkpluginstalled, otherwisethereisa
chancetoignitefuelmixtureinsidecylinder.
*Do nottouchmetalpartsofsparktester
whileperformingthetesttoavoidreceiving
electricalshock.
*
Donotchecksparkinareawheregasoline
isspilledorammablegasesmayexist.
3-3 Inspectingsparkplug
1. Remove spark plug to inspect for fouling,
cracked or broken insulator, cracked outer elec-
trode, or rounded center electrode. Clean or
replace spark plug as required.
2. Set spark plug gap (A) by bending outer elec-
trode (B).
Standard : 0.6 to 0.7 mm (0.024 to 0.028 in)
NOTE: Take care not to crack outer electrode
when bending.
3. If engine does not start with correct spark plug,
inspect if spark plug is wet or dry. If it is excessive-
ly wet or dry, inspect fuel system.
3K069
A
B
GASO
LINE
B
A
a1
a2

Echo CS-271T Specifications

General

Engine Displacement	26.9 cc
Bar Length	12 inches
Chain Pitch	3/8 inch
Fuel Capacity	0.21 L
Chain Oil Type	Bar and chain oil
Chain Gauge	0.050 inch
Oil Capacity	160 ml