Yamaha 440 Instrukcja Obsługi Pobierz pdf (Strona 37)

CAUTION:

---------,

When

removing

the

starter

cable,

take

care

so

that

the

rubber

cap,

coil

spring

and

starter

cable

do

not

fall

off

or

are

not

lost.

A

lso

use

specia

I ca re

not

to

scratch

the

rubber

seat

su rface.

No.6

1.

Main

jet

Bad (Due to lean a mixture. the spark

pluq melts.)

Check the piston for holes or seizure.

Check the cooling system, gasoline

octane rating and

ignition

timing.

After

replacing the spark plug

with

colder

type, tune the carburetor again.

starting

with

low-speed

tuning.

1. Throttle cable

2. Pump cable

3.

Starter

cable

1980 SRX440

WARNING:--------~

while

the

engine

is

hot,

Fuel

will

flow

out

of

the

float

chamber

which

could

ig-

nite

and

cause

damage

to

the

snowmobile

and

possible

injury

to

the

mechanic.

Place

a rag

under

the

carburetor

so

fuel

does

not

spread.

Place

the

main

jet

cover

bolt

in

a

clean

place.

Keep

away

from

fire.

After

assembling

the

carbure-

tor,

firmly

tighten

the

rubber

joint

screw.

Make

sure

the

throttle

outer

tube

is in

place

and

the

throttle

cable

moves

smoothly.

Clean

the

carburetor

and

allow

it

to

dry.

B.

Overhauling

1. Disassembly

a. Remove the intake. silencer assembly.

b. Remove the carburetor from the

engine, and disconnect

the

control

cables as follows:

1) Loosen the

throttle

cable holder screw.

2) Remove the

pump

cable adjuster from

the

stay plate. and remove the

pump

cable from the lever.

3) Remove the cap

from

the carburetor.

together

with

the starter valve, and dis-

connect the starter cable.

4·5

c. Float chamber

emove e

our

screws,

the

float

chamber.

2) Remove the main

jet

together

with

the O-ring.

d. Carburetor

body

1) Remove the arm pin,

together

with

the

float assembly.

2) Remove

the

pilot

jet

and main jet.

3) Remove

the

main nozzle.

4) Remove

the

valve seat assembly.

5) Remove

the

power

jet.

6) Remove

the

pilot

screw,

together

with

the coil spring.

7) Remove the

throttle

stop screws,

together

with

the coil spring.

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