2-10
TIGHTENING TORQUES
ELECTRICAL
TIGHTENING TORQUES
ENGINE
△
- marked portion shall be checked for torque tightening after break-in or before each race.
Clutch lever free play (lever end)
7–12 mm (0.28–0.47 in)
----
Throttle grip free play
3–5 mm (0.12–0.20 in)
----
Item
Standard
Limit
Item
Standard
Limit
Ignition system:
Advancer type
Electrical
----
CDI:
Magneto-model (stator)/manufacturer
5XC-10/YAMAHA
----
Charging coil 1 resistance (color)
720–1,080
Ω
at 20 °C (68 °F) (Green–
Brown)
----
Charging coil 2 resistance (color)
44–66
Ω
at 20 °C (68 °F) (Black–Pink)
----
Pickup coil resistance (color)
248–372
Ω
at 20 °C (68 °F) (White–Red)
----
CDI unit-model/manufacturer
5XC-R0/YAMAHA (For USA and CDN)
----
5XC-S0/YAMAHA (Except for USA and
CDN)
----
Ignition coil:
Model/manufacturer
5UL-10/DENSO
----
Minimum spark gap
6 mm (0.24 in)
----
Primary coil resistance
0.08–0.10
Ω
at 20 °C (68 °F)
----
Secondary coil resistance
4.6–6.8 k
Ω
at 20 °C (68 °F)
----
Part to be tightened
Thread size
Q'ty
Tightening torque
Nm
m•kg
ft•lb
Spark plug
M10S × 1.0
1
13
1.3
9.4
Camshaft cap
M6 × 1.0
10
10
1.0
7.2
Cylinder head blind plug screw
M12 × 1.0
1
28
2.8
20
Cylinder head (stud bolt)
M6 × 1.0
2
7
0.7
5.1
Cylinder head (stud bolt)
M8 × 1.25
1
15
1.5
11
Cylinder head (bolt)
M9 × 1.25
4
38
3.8
27
Cylinder head (nut)
M6 × 1.0
2
10
1.0
7.2
Cylinder head cover
M6 × 1.0
2
10
1.0
7.2
Cylinder
M6 × 1.0
1
10
1.0
7.2
Balancer weight
M6 × 1.0
2
10
1.0
7.2
Balancer shaft driven gear
M14 × 1.0
1
50
5.0
36
Timing chain guide (intake side)
M6 × 1.0
2
10
1.0
7.2
Timing chain tensioner
M6 × 1.0
2
10
1.0
7.2
Timing chain tensioner cap bolt
M6 × 1.0
1
7
0.7
5.1
Impeller
M8 × 1.25
1
14
1.4
10
Radiator hose clamp
M6 × 1.0
10
2
0.2
1.4
Coolant drain bolt
M6 × 1.0
1
10
1.0
7.2
Water pump housing
M6 × 1.0
4
10
1.0
7.2
Radiator
M6 × 1.0
6
10
1.0
7.2
Содержание YZ250F 2009
Страница 4: ......
Страница 39: ...2 17 LUBRICATION DIAGRAMS 1 Crankshaft 2 Oil filter element 3 Oil tank 4 Oil hose A From oil pump ...
Страница 59: ...3 13 ENGINE INTAKE EXHAUST ...
Страница 189: ......
Страница 190: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...