2-6
MAINTENANCE SPECIFICATIONS
Piston pin outside diameter
15.991–16.000 mm (0.6296–0.6299 in)
15.971 mm
(0.6288 in)
Piston rings:
Top ring:
Type
Barrel
----
Dimensions (B × T)
0.90 × 2.75 mm (0.04 × 0.11 in)
----
End gap (installed)
0.15–0.25 mm (0.006–0.010 in)
0.50 mm (0.020
in)
Side clearance (installed)
0.030–0.065 mm (0.0012–0.0026 in)
0.12 mm (0.005
in)
2nd ring:
Type
Taper
----
Dimensions (B × T)
0.80 × 2.75 mm (0.03 × 0.11 in)
----
End gap (installed)
0.30–0.45 mm (0.012–0.018 in)
0.80 mm (0.031
in)
Side clearance
0.020–0.055 mm (0.0008–0.0022 in)
0.12 mm (0.005
in)
Oil ring:
Dimensions (B × T)
1.50 × 2.25 mm (0.06 × 0.09 in)
----
End gap (installed)
0.10–0.40 mm (0.004–0.016 in)
----
Crankshaft:
Crank width "A"
55.95–56.00 mm (2.203–2.205 in)
----
Runout limit "C"
0.03 mm (0.0012 in)
0.05 mm (0.002
in)
Big end side clearance "D"
0.15–0.45 mm (0.0059–0.0177 in)
0.50 mm (0.02
in)
Small end free play "F"
0.4–1.0 mm (0.02–0.04 in)
2.0 mm (0.08
in)
Clutch:
Friction plate thickness
2.9–3.1 mm (0.114–0.122 in)
2.8 mm (0.110
in)
Quantity
9
----
Clutch plate thickness
1.1–1.3 mm (0.043–0.051 in)
----
Item
Standard
Limit
Содержание YZ250F X 2008
Страница 2: ......
Страница 3: ...YZ250F X 5XC 28199 34 E0 2008 OWNER S SERVICE MANUAL ...
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 110: ...4 41 OIL PUMP 15 Rotor housing 1 Order Part name Q ty Remarks ...
Страница 161: ...5 29 STEERING 9 Bearing race 2 Refer to removal section Order Part name Q ty Remarks ...
Страница 170: ...5 38 REAR SHOCK ABSORBER 12 Bearing 2 Refer to removal section Order Part name Q ty Remarks ...
Страница 191: ......
Страница 192: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...