6S35H11
9-4
9
8
7
6
5
4
3
2
1
Trouble shooting the power unit
Refer
Symptom 2
Cause 1
Cause 2
Checking step
to
page
8-13
8-10
5-3
8-8
Pulser coil malfunction
Measure the pulser coil
output peak voltage
and resistance.
Change the pulser coil
and check the ignition
spark.
Pulser coil out-
put peak volt-
age less than
specifications
5-3
8-8
Charge coil malfunction
Measure the charge
coil output peak volt-
age and resistance.
Change the stator
assembly and check
the ignition spark.
Charge coil out-
put peak volt-
age less than
specifications
Spark plug does
not spark
Cylinder head gasket
malfunction
Check the compression
pressure.
Disassemble and
check the reed valves.
5-1
5-17
Low compres-
sion pressure
—
Scratched piston or
wear the piston rings
Disassemble and
check the power unit.
Scratched cylinder wall
—
Reed valves
malfunction
5-29
—
Refer
Symptom 2
Cause 1
Cause 2
Checking step
to
page
Symptom 1: Unstable engine idle speed, poor acceleration, poor performance
Throttle cable adjusting
improperly
Check and adjust the
throttle cable.
Check and adjust.
3-8
—
—
—
Throttle link length
improperly
3-7
Fuel supplied to the
carburetor improperly
Check and adjust the
throttle link length.
3-2
Fuel not sup-
plied properly
Fuel filter
malfunction
Carburetor malfunction
Check and adjust the
pilot screw settings.
4-11
Pilot screw set-
tings improperly
Disassemble and
check the carburetor.
4-10
Throttle valve
stuck or
damage
Jet or nozzle
clogged and or
float damaged
Check the fuel filter for
clog.
4-14
Fuel pump
malfunction
6S35H11_09 05.9.30 15:01 Page 5
Содержание 250GETO
Страница 1: ...L250G SERVICE MANUAL 6S3 28197 5H 116 250G 250G L250G ...
Страница 4: ......
Страница 135: ... MEMO 9 8 7 6 5 4 3 2 1 6S35H11 5 48 ...
Страница 160: ...LOWR 6 23 6S35H11 Lower unit Shimming regular rotation model T3 M3 M4 M2 6S36050EA T2 T1 M1 F R P ...
Страница 201: ...6S35H11 6 64 9 8 7 6 5 4 3 2 1 MEMO ...
Страница 291: ......
Страница 292: ...YAMAHA MOTOR CO LTD Printed in Japan Aug 2005 1 4 1 E_2 Printed on recycled paper 250G L250G ...