Echo CS-271T Service Manual

IGNITION SYSTEM
CS-271T
18
3-6 Inspectingignitioncoilresistanceandprimarylead
1. Remove air cleaner cover and starter assembly.
2. Connect one probe of Ohm-meter or multimeter
to spark plug cap coil in spark plug cap (A).
3. Connect the other probe to ignition coil core (B)
to measure secondary coil resistance. Second-
ary coil resistance should be in the range of 930 to
970 Ω.
4. If the meter reading indicates innite
resistance, remove spark plug cap and spark
plug cap coil, and measure resistance between the
conduction wire of high tension lead and ignition
coil core.
5. If the reading at step 3 or 4 is not in the range of
930 to 970 Ω, replace with a new ignition coil (Go
to “3-8 Replacing ignition coil”).
6. Remove dust cover. Disconnect primary lead
terminal (C) from ignition switch terminal (D).
7. Disconnect the other primary lead terminal (E)
from ignition coil.
8. Connect both probes of Ohm-meter or multime-
ter to both ends of primary lead as shown.
9. If the meter reading indicates innite resistance,
replace with a new primary lead.
A
B
C
D
E

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