Yamaha YZ250(W)/W1, Owner'S Service Manual

Page: 79 / 596

2-12
MAINTENANCE SPECIFICATIONS
SPEC
EC212300
ELECTRICAL
Part to be tightened Thread size Q’ty
T ightening torque
Nm m•kg ft•lb
Stator M 6
×
1.0 3 7 0.7 5.1
Rotor M12
×
1.25 1 56 5.6 40
Ignition coil M 6
×
1.0 2 7 0.7 5.1
Neutral switch (Except for USA and CDN) M 5
×
0.8 2 4 0.4 2.9
Item Standard Limit
Ignition system:
Ignition timing (B.T.D.C.) 0.18 mm (0.007 in)
…
Advancer type Electrical
…
CDI:
Magneto-model (stator)/Manufacturer 5CU-20/YAMAHA
…
Source coil 1 resistance (color) 720~1,080
Ω
at 20°C (68°F)
…
(Black-Black/Red)
Source coil 2 resistance (color) 44~66
Ω
at 20°C (68°F)
…
(Green/Blue-Green/White)
Pickup coil resistance (color) 248~372
Ω
at 20°C (68°F)
…
(White/Blue-White/Red)
CDI unit-model/Manufacturer 1P8-00/YAMAHA
…
Ignition coil:
Model/Manufacturer 1P8-00/YAMAHA
…
Minimum spark gap 6 mm (0.24 in)
…
Primary winding resistance 0.20~0.30
Ω
at 20°C (68°F)
…
Secondary winding resistance 9.5~14.3 k
Ω
at 20°C (68°F)
…
Spark plug cap:
Resistance 4~6 k
Ω
at 20°C (68°F)
…
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