um UXPW125, Руководство по обслуживанию

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UXPW
125 ENGINE SERVICE MANUAL AND EFI DIAGNOSTIC
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1.1 Maintenance Parameters
：
Item
Standard Service Limit
Engine oil
Specification SJ 10W/40 1.2 L
Capacity
when filter is not
removed
1 L
when filter is removed 1.1 L
when engine is completely
dry
1.2 L
Valve
Clearance
Inlet
0.04 - 0.06mm 0.10mm
Exhaust 0.04 - 0.06mm 0.15mm
Spark Plug
Standard CPR8EA - 9(NGK)
Long hours at high RPM CPR9EA - 9(NGK)
Electrode clearance (0.8 - 1.0) mm
Engine idle speed
1400±100rpm
1.2 Cylinder Head and Valves
unit
：
mm
Item Standard Service Limit
Valve Clearance
Inlet
0.04 - 0.06
Exhaust 0.04 - 0.06
Valve Stem Diameter
Inlet 4.975 - 4.990 4.92
Exhaust 4.955 - 4.970 4.90
Valve Guide Internal Diameter
Inlet
Exhaust
5.000 - 5.012 5.04
Valve/Valve Guide Clearance
Inlet 0.010 - 0.037
0.07
Exhaust 0.030 - 0.057
0.09
Width of valve sealing strip 0.9 - 1.1 1.5
Valve Spring Free Length
In 38.5 - 39.5 37.8
Outer 41.5 - 42.5 40.8
Rocker arm hole diameter 10.000 - 10.012 10.1
Rocker shaft diameter 9.973 - 9.984 9.91
Clearance between Rocker arm and rocker shaft
clearance
0.016 - 0.039 0.10
Camshaft
Cam Height
Inlet 31.830 - 31.930
31.8
Exhaust 31.559 - 31.659
31.5