CS-400 - Echo Chainsaw (SN: F00613001001 - F00613999999) Carburetor Parts Diagram

Measures 15.5 in. long, 9.6 in. wide and 10.1 in. tall and weighs only 10.1 lb. (4.6 kg) without chain or guide bar. It is powered by a 40.2 cc air-cooled single-cylinder, two-stroke engine that delivers a 12 000-rpm WOT speed, 4 100-rpm clutch-engagement speed and a 2 700-rpm idle. The carburetor is factory-tuned for a 50:1 gasoline-oil mix and can run on 89-octane unleaded fuel, although fuel containing more than 10 % ethyl alcohol, 15 % MTBE or methyl alcohol is disallowed. The saw comes with 16-inch and 18-inch guide bars, 91 px/91 vg chains and a variety of safety features - front and rear hand guards, an anti-vibration device, a chain catcher, a band brake and a spark arrester muffler. The throttle lockout and chain-catcher are built to protect users from accidental starts or chain dislodgement.

Carburetor Parts Diagram

  • Title
1

Echo A021001921

CARBURETOR WT-985

Note: Includes Items 2-33

$66.99

$

In Stock, Qty 20+

0

$0.99

$

Usually ships in 2-4 days

0

3

Echo P003003930

COVER, FUEL PUMP

$18.99

$

Usually ships in 2-4 days

0

4

Echo 12313304260

SPRING, IDLE ADJUST

$7.49

$

In Stock, only 2 left!

0

5

Echo 12313404260

SCREW, IDLE ADJUST

$2.49

$

In Stock, only 2 left!

0

$1.49

$

In Stock, Qty 6

0

7

Echo 12311610530

VALVE, THROTTLE

$2.49

$

Usually ships in 2-4 days

0

8

Echo 12311337530

SPRING, THROTTLE RETURN

$3.49

$

Usually ships in 2-4 days

0

9

Echo P003001810

SHAFT, THROTTLE

$9.49

$

Usually ships in 2-4 days

0

10

$0.99

$

In Stock, only 2 left!

0

11

Echo P003000010

CAP, LIMITER

$0.99

$

In Stock, Qty 20+

0

12

Echo 12312003661

NEEDLE, MIXTURE

$4.99

$

In Stock, only 1 left!

0

13

Echo 12312239330

SPRING, METERING LEVER

$3.49

$

Usually ships in 2-4 days

0

14

Echo 12313903930

SCREW, METERING LEVER PIN

$6.99

$

Usually ships in 2-4 days

0

15

Echo P003001790

VALVE, CHOKE

$5.99

$

Usually ships in 2-4 days

0

16

Echo P003000140

SPRING, CHOKE RETURN

$0.99

$

Usually ships in 2-4 days

0

17

Echo P003001510

LEVER, FAST IDLE
(Superseded to Discontinued)

$

$

Not available

18

$0.99

$

Usually ships in 2-4 days

0

19

Echo P003000150

SHAFT, CHOKE

$11.99

$

Usually ships in 2-4 days

0

20

Echo P003001780

LEVER, THROTTLE

$5.99

$

Usually ships in 2-4 days

0

21

$1.99

$

In Stock, only 1 left!

0

22

Echo 12312703930

CLIP, THROTTLE SHAFT

$1.49

$

Usually ships in 2-4 days

0

23

Echo 12314203930

COVER, METERING DIAPHRAGM

$4.99

$

In Stock, only 2 left!

0

24

Echo P033000030

REPAIR KIT, CARBURETOR

Note: Includes Items 25-33

$18.99

$

In Stock, Qty 20+

0

25

GASKET, FUEL PUMP

$

$

Not available

26

DIAPHRAGM, PUMP

$

$

Not available

27

SCREEN, FUEL INLET

$

$

Not available

28

PLUG, WELCH

$

$

Not available

29

VALVE, INLET NEEDLE

$

$

Not available

30

LEVER, METERING

$

$

Not available

31

PIN, METERING LEVER

$

$

Not available

32

GASKET, METERING DIAPHRAGM

$

$

Not available

33

DIAPHRAGM, METERING

$

$

Not available