2-6
MAINTENANCE SPECIFICATIONS
Compressed force (installed) (IN)
103–118 N at 29.13 mm (10.50–12.09 kg
at 29.13 mm, 23.15–26.66 lb at 1.15 in)
----
Compressed force (installed) (EX)
126–144 N at 29.30 mm (12.85–14.68 kg
at 29.30 mm, 28.32–32.37 lb at 1.15 in)
----
Tilt limit* (IN)
----
2.5°/1.6 mm
(2.5°/0.063 in)
Tilt limit* (EX)
----
2.5°/1.6 mm
(2.5°/0.063 in)
Direction of winding (top view) (IN)
Clockwise
----
Direction of winding (top view) (EX)
Clockwise
----
Piston:
Piston to cylinder clearance
0.030–0.055 mm (0.0012–0.0022 in)
0.1 mm (0.004
in)
Piston size "D"
76.955–76.970 mm (3.0297–3.0303 in)
----
Measuring point "H"
8 mm (0.31 in)
----
Piston off-set
0.5 mm (0.020 in)/IN-side
----
Piston pin bore inside diameter
16.002–16.013 mm (0.6300–0.6304 in)
16.043 mm
(0.6316 in)
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)
Item
Standard
Limit
Содержание WR250F(Y) 2009
Страница 2: ......
Страница 43: ......
Страница 45: ...2 19 LUBRICATION DIAGRAMS 1 Crankshaft 2 Oil filter element 3 Oil tank 4 Oil hose A From oil pump...
Страница 71: ...3 18 ENGINE INTAKE EXHAUST...
Страница 84: ...3 31 ELECTRICAL Charging method using a variable voltage charger...
Страница 85: ...3 32 ELECTRICAL Charging method using a constant voltage charger...
Страница 223: ......
Страница 224: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...