ad blue YAMAHA YZ125LC 2001 Owners Manual

2-11
SPECMAINTENANCE SPECIFICATIONS
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 33 3.3 24
Ignition coil M 6 ´1.0 2 7 0.7 5.1
Item Standard Limit
Ignition system:
Ignition timing (B.T.D.C.) 32°/3000 r/min…
0.52 mm (0.020 in)…
Advancer type Electrical…
CDI:
Magneto-model/Manufacturer F4SS00/YAMAHA…
Source coil 1 resistance (color) 720~1,080 ½at 20°C (68°F)…
(Green/White-Black/Red)
Source coil 2 resistance (color) 44~66 ½at 20°C (68°F)…
(Black-Green/Blue)
Pickup coil resistance (color) 248~372 ½at 20°C (68°F)…
(White/Blue-White/Red)
CDI unit-model/Manufacturer 5MV-00/YAMAHA…
Ignition coil:
Model/Manufacturer 4SS-00/YAMAHA…
Minimum spark gap 6 mm (0.24 in)…
Primary winding resistance 0.14~0.20 ½at 20°C (68°F)…
Secondary winding resistance 6.7~10.1k½at 20°C (68°F)…
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6-1
ELECELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000
ELECTRICAL COMPONENTS
1“ENGINE STOP” button
2Ignition coil
3CDI unit
4CDI magneto
5Spark plug
EC612000
WIRING DIAGRAM
COLOR CODE
B...................Black
O ..................Orange
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
5MV-9-30-6 6/19/00 1:25 PM Page 2

6-5
ELECIGNITION SYSTEM
EC627011
CDI MAGNETO INSPECTION
1. Inspect:
9Pick-up coil resistance
Out of specification ÕReplace.
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 (+) 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)
Tester (+) leadÕBlack/Red lead 1
Tester (–) lead
ÕGreen/Whitelead 2
Source coil 1 Tester selector
resistance position
720~1,080½at
½´ 100
20°C (68°F)
Tester (+) leadÕGreen/Blue lead 1
Tester (–) lead
ÕBlack lead 2
Source coil 2 Tester selector
resistance position
44~66½at
½´ 10
20°C (68°F)
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7-22
TUNSETTING
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
SOFT 4.4 5DH-22212-70Brown/1260
STD 4.6 5DH-22212-10Green/1260
4.8 5DH-22212-20 Red/1 260
5.0 5DH-22212-30 Black/1 260
STIFF 5.2 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
SOFT 4.6 5ET-22212-20 Green/2 275
*STD 4.8 5ET-22212-00 Red/2 275
5.0 5ET-22212-10 Black/2 275
STIFF 5.2 5ET-22212-30 Blue/2 275
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)
5MV-9-30-7B 6/19/00 1:23 PM Page 20