ad blue YAMAHA YZ250LC 2001 Notices Demploi (in French)

2-11
MAINTENANCE SPECIFICATIONSSPEC
EC212300
ELECTRICAL
Part to be tightened Thread size Q’tyT ightening torqueNm m•kg ft•lb
Stator M 6 ´1.0 3 8 0.8 5.8
Rotor M10 ´1.25 1 41 4.1 30
Ignition coil M 6 ´1.0 2 7 0.7 5.1
Item Standard Limit
Ignition system:
Ignition timing (B.T.D.C.) 0.18 mm (0.007 in)…
Advancer type Electrical…
CDI:
Magneto-model/Manufacturer F5CU10/YAMAHA…
Source coil 1 resistance (color) 720~1,080 ½at 20°C (68°F)…
(Black-Black/Red)
Source coil 2 resistance (color) 44~66 ½at 20°C (68°F)…
(Green/Blue-Green/White)
Pickup coil resistance (color) 248~372 ½at 20°C (68°F)…
(White/Blue-White/Red)
CDI unit-model/Manufacturer 5HC-00/YAMAHA…
Ignition coil:
Model/Manufacturer 5BE-00/YAMAHA…
Minimum spark gap 6 mm (0.24 in)…
Primary winding resistance 0.20~0.30 ½at 20°C (68°F)…
Secondary winding resistance 9.5~14.3 k½at 20°C (68°F)…
5MW-9-30-2 7/3/00 2:20 PM Page 12

6-1
ELECTRICAL COMPONENTS AND WIRING DIAGRAMELEC
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000
ELECTRICAL COMPONENTS
1CDI unit
2“ENGINE STOP” button
3Ignition coil
4TPS (throttle position sensor)
5Solenoid valve
6CDI magneto
7Spark plug
EC612000
WIRING DIAGRAM
COLOR CODE
B...................Black
L ...................Blue
O ..................Orange
R ..................Red
Y...................Yellow
B/R ...............Brack/Red
B/W ..............Black/White
G/L ..............Green/Blue
G/W ..............Green/White
W/L...............White/Blue
W/R ..............White/Red
6
5MW-9-30-6 7/6/00 1:34 PM Page 2

6-4
IGNITION SYSTEMELEC
EC626002
IGNITION COIL INSPECTION
1. Inspect:
9Primary coil resistance
Out of specification ÕReplace.
2. Inspect:
9Secondary coil resistance
Out of specification ÕReplace.
NOTE:
When inspecting the secondary coil resistance,
remove the spark plug cap.
EC627011
CDI MAGNETO INSPECTION
1. Inspect:
9Pick-up coil resistance
Out of specification ÕReplace.
Tester (+) leadÕOrange lead 1
Tester (–) lead
ÕBlack lead 2
Tester (+) leadÕSpark plug lead 1
Tester (–) lead
ÕOrange lead 2
Primary coil Tester selector
resistance position
0.20~0.30½at
½´ 1
20°C (68°F)
Secondary coil Tester selector
resistance position
9.5~14.3k½at
k½´ 1
20°C (68°F)
Tester (+) leadÕWhite/Red lead 1
Tester (–) lead
ÕWhite/Blue lead 2
Pick–up coil Tester selector
resistance position
248~372½at
½´ 100
20°C (68°F)
5MW-9-30-6 7/6/00 1:36 PM Page 10

6-5
IGNITION SYSTEMELEC
2. Inspect:
9Source coil 1 resistance
Out of specification ÕReplace.
3. Inspect:
9Source coil 2 resistance
Out of specification ÕReplace.
EC628000
CDI UNIT INSPECTION
Check all electrical components. If no fault is
found, replace the CDI unit. Then check the
electrical components again.
Tester (+) leadÕBlack/Red lead 1
Tester (–) lead
ÕBlacklead 2
Source coil 1 Tester selector
resistance position
720~1,080½at
½´ 100
20°C (68°F)
Tester (+) leadÕGreen/Blue lead 1
Tester (–) lead
ÕGreen/White lead 2
Source coil 2 Tester selector
resistance position
44~66½at
½´ 10
20°C (68°F)
5MW-9-30-6 7/6/00 1:36 PM Page 12

6-9
TPS (THROTTLE POSITION SENSOR) SYSTEMELEC
EC624000
COUPLERS AND LEADS CONNECTION
INSPECTION
1. Check:
9Couplers and leads connection
Rust/ Dust/ Looseness/Short-circuit Õ
Repair or replace.
EC692000
TPS COIL INSPECTION
1. Remove:
9Carburetor
9Mixing chamber top
Refer to “CARBURETOR AND REED
VALVE” section in the CHAPTER 4.
2. Inspect:
9TPS coil resistance
Out of specification ÕReplace.
3. Inspect:
9TPS coil variable resistance
Check that the resistance in increased as
the lever 1is moved from the full close
position to the full open position.
Out of specification ÕReplace.
Tester (+) leadÕBluelead 1
Tester (–) lead
ÕBlacklead 2
TPS coil Tester selector
resistance position
4~6k½at
k½´1
20°C (68°F)
Tester (+) leadÕYellowlead 2
Tester (–) lead
ÕBlacklead 3
Tester selector
positionTPS coil variable
resistance
Full closed Full opened
Zero~2k½at 4~6k½at
20°C (68°F) 20°C (68°F)
k½´1
5MW-9-30-6 7/6/00 1:38 PM Page 24

6-12
TPS (THROTTLE POSITION SENSOR) SYSTEMELEC
11. Put the aligning marks aon the TPS and
carburetor.
12. Remove:
9Carburetor
Refer to “CARBURETOR AND REED
VALVE” section in the CHAPTER 4.
13. Tighten:
9Screw (TPS) 1
NOTE:
Tighten the screws (TPS) using the T20 bit (tam-
per resistant fastener type) by aligning the marks
athat were put before removal.
14. Install:
9Carburetor
Refer to “CARBURETOR AND REED
VALVE” section in the CHAPTER 4.
EC694000
TPS INPUT VOLTAGE INSPECTION
1. Disconnect the TPS coupler.
2. Start the engine.
3. Inspect:
9TPS input voltage
Out of specification ÕReplace the CDI
unit.
Tester (+) leadÕBluelead 1
Tester (–) lead
ÕBlacklead 2
TPS input Tester selector
voltage position
4~6V DCV-20
5MW-9-30-6 7/6/00 1:40 PM Page 30

7-22
SETTINGTUN
EC72Q011
Rear shock absorber setting parts
9Rear shock spring 1
[Equal pitch spring ]
[Unequal pitch spring ]
NOTE:
9The unequal pitch spring is softer in initial char-
acteristic than the equal pitch spring and is diffi-
cult to bottom out under full compression.
9The I.D. color ais marked at the end of the
spring.
9Extent of adjustment (spring length)
SPRING SPRINGI.D.SPRING
TYPE
RATE PART NUMBERCOLORFREE
/POINTLENGTH
SOFT4.4 5DH-22212-70Brown/1260
4.6 5DH-22212-10Green/1260
STD 4.8 5DH-22212-20 Red/1 260
5.0 5DH-22212-30 Black/1 260
STIFF5.2 5DH-22212-40 Blue/1 260
5.4 5DH-22212-50
Yellow/1265
5.6 5DH-22212-60 Pink/1 265
SPRING
SPRINGI.D.SPRING
TYPE RATE
PART NUMBERCOLORFREE
(approx.)/POINTLENGTH
SOFT4.6 5ET-22212-20 Green/2 2754.8 5ET-22212-00 Red/2 275
*STD 5.0 5ET-22212-10 Black/2 275
STIFF5.2 5ET-22212-30 Blue
/2275
5.4 5ET-22212-40
Yellow/2 275
*For EUROPE
SPRING FREE EXTENT OF
LENGTH ADJUSTMENT b
260mm (10.24in)242~260mm(9.53~10.24in)
265mm (10.43in)247~265mm(9.72~10.43in)
275mm (10.83in)257~275mm(10.12~10.83in)
5MW-9-30-7 7/6/00 2:32 PM Page 48