Echo CS-440EVL, CS-510EVL, CS-550EVL, CS-660EVL Service Information

SERVICE

IVIANUAL

.

I

CS-440EVL CS-510EVL
CS·550EVL CS-660EVL

SERVICE

INFORMATION 1

1. SERVICE

INFORMATION

1·1 Specifications

Models

CS-440EVL

S-510EVL

CS-550EVL

CS-660EVL

length*

mm (in)

385 (15.2)

00 (15.7) 400 (15.7) 420

(16.5)

Dimensions

width

mm (in)

250 ( 9.8) 255 (10.0)

255 (10.0)

260

(10.2)

height

mm(in)

270 (10.6) 280 ( 11.0)

280 (11.0) 280

(11.0)

Dry

weight*

kg (lb)

5.1

(

11.2) 6.0 (13.2)

6.0 (13.2)

6.5

(14.3)

type

KIORITZ,

air-co

,

led,

two-stroke,

single

cylinder,

piston-ported

rotation

Clockwise

rotation

as

v1ewed

from the

output end

displacement cc (cu.in)

44.3 (2.703) 9.9 (3.045)

54.7 (3.340) 64.2

(3.918)

Engine

bore

mm (in)

42.0

(

1.654) 2.0 (1.654)

44.0 (1.732) 47.0

( 1.850

)

stroke

mm (in)

32.0

(

1. 260)

6.0

(1.417) 36.0 (1.417) 37.0

(1.457)

compression ratio

7.0 7.8 7.8

7.8

Carburetor

Diaphragr type with adjustable fuel

mixture jets

type

CDI CDI CDI

CDI

Ignition

spark plug

BPM7A CJ-7Y BPM7A

BPM7A

type

Automatic rewind

Starter

rope dia. x length

mm (in)

3.5 X 850

4.0

X

900

(.16 X 35.4)

(.14

X

33.5)

mixing

ratio Gasoline: Oil 32:1 (3%) or 5 ):1

(2%) with special oil approved by

ECHO

gasoline Regular

type

Fuel

oil ECHO air-co led two-stroke oil or approved

equivalent

tank capacity

cc

(US.fl.oz)

450 (15.2)

00

(16.9)

500 (16.9) 650

(22.0)

Clutch

Automatic

3-shoe

centrifugal

Guide bar/Saw chain

lubrication

Automatic oiler

Oil tank capacity cc

(US.fl.oz)

230 (7.8) 250 (8.5) 250 (8.5) 300

(10.1)

*Power head

without

guide bar and saw

chain

Cutting devices

type

Spur

Sprocket

number of teeth

7

Guide bar length

16

16 20 24 16 20 24

16 20 24

27

number of drive links 66

60 70 81 60 70 81 60 70 81

93

Saw chain pitch in

.325 3/8 3/8

3/8

gauge in

0.050

1·2 Technical

data

Models

CS-440EVL

S-510EVL

CS-550EVL

CS-660EVL

Ignition

type

CDI CDI CDI

CDI

Spark plug gap mm (in)

0.6-

0.7

(0.024-

0.028)

Pole shoe air gaps

mm(in)

0.4 (0.016)

0.3-0.45 (0.012-

0.018)

0.4

(0.016)

Ignition timing

VBTDC

30

Primary coil resistance

n

0-0.2

o-

o.5

0-0.5

o-0.2

Secondary coil resistance kr2

1.5-3.0

1.5-3.0

1.5-3.0

0.5-

1.5

Minimum

secondary voltage kV 15 (at 1000 rpm)

12(at1000rpm)

H needle

turn open 7/8 1

1 1

L

needle

turn

open 1 1-1/8 1 1

Idling

speed rpm

2200-2800

Operating

speed rpm

6000-9000

5500-9000

Compression pressure

kg/cm

2

(psi) 9.5 (135) 10.2

(145)