V. Maintenance Specification Of Engine - Baja WD250U Service Manual

V. Maintenance Specification of Engine
Item
Axle Drive
Meshing clearance of last end gear
Meshing clearance of middle gear (forward)
Meshing clearance of middle gear (backward)
Lubrication system:
Type of oil filter
Type of oil pump
Clearance of side
Endface clearance "A" or "B"
Releasing pressure of safety valve
Cylinder
Cylinder head
Flatness of lower endface
Timing chain
Type of timing chain
Tension type of timing chain
Pneumatic camshaft:
Driving method
Roundness tolerance of camshaft
Outside diameter of camshaft
Cam size
Rocker arm/ Rocker arm shaft
Outside diameter of shaft
Inside diameter of rocker arm
Clearance between arm and shaft
Valve spring
Inside spring
Free length:intake/exhaust
Setting length when valve is closed:intake/exhaust
Compressing pressure when assembling:intake/exhaust
Limit value of squareness:intake/exhaust
Twisting direction of spring(topview):intake/exhaust
Bore size
Exhaust: A
B
C
Intake: A
B
C
18
Standard
0.1-0.2mm
0.1-0.2mm
0.10-0.25mm
Wire filter net
Rotor type, pressure splash type lubrication
0.04-0.09mm
0.15mm
80-120Kpa
70.97-71.02mm
(Distance between measuring point and
upper endface of cylinder is 40mm)
Measure the surface warp of every portion
on the lower endface of cylinder head with
ruler.
Roller chain
Free adjustment
Chain driven
24.96-24.98mm
36.582-36.682mm
30.252-30.352mm
6.572-6.692mm
36.537-36.637mm
30.131-30.231mm
6.527-6.647mm
11.981-11.991
12.000-12.018
0.009-0.037
35.5mm
30.5mm
82.4-100.0N
counterclockwise
Limit
0.09mm
0.20mm
71.10mm
0.10mm
0.03mm
36.482
30.152
36.437mm
30.031mm
2.5˚/1.6mm