Service Specifi Cations; Cylinder Head; Valves; Valve Springs - Ezgo 1600xd Repair Manual

2.3 SERVICE SPECIFICATIONS

2.3.1 CYLINDER HEAD

Item
Distortion of cylinder head surface length.
Thickness of gasket
Top clearance
Tightness of head bolts

2.3.2 VALVES

Item
Valve seat width
Valve seat angle (intake, exhaust)
O.D. of valve stems (intake, exhaust)
I.D. of valve guides (intake, exhaust)
Clearance between valve
stems and guides
Valve recessing
Valve clearance (intake, exhaust) cold

2.3.3 VALVE SPRINGS

Item
Free length
Fitted length
Load to compress to fi tted length
Squareness
3
-6
ENGINE - SPECIFICATIONS
Reference Value
-
When tightened
1.15 ~ 1.25 mm (0.045 ~ 0.049 in.)
0.7 ~ 0.9 mm (0.0275 ~ 0.0354 in.)
Refer to "NOTE" in 2.3.15
"TIGHTENING TORQUE"
Reference Value
2.1 mm
0.083 in.
1.047, 0.785 rad.
60°, 45°
6.960 ~ 6.975 mm
0.2740 ~ 0.2746 in.
7.010 ~ 7.025 mm
0.2759 ~ 0.2765 in.
0.035 ~ 0.065 mm
0.0014 ~ 0.0026 in.
-0.05 ~ +0.15 mm
-0.002 ~ +0.006 in.
0.15 mm
0.006 in
Reference Value
35.1 ~ 35.6 mm
1.382 ~ 1.402 in.
30.99 mm
1.2201 in.
74 N / 31 mm
7.5 kgf / 31 mm,
16.5 lbs / 1.22 in.
1.3 mm
0.051 in.
Allowable Limit
0.05 mm (0.0020 in.) /
100 mm (4 in.) of cylinder
head surface length.
-
-
-
Allowable Limit
-
-
-
-
0.1 mm
0.004 in.
1.3 mm
0.051 in.
-
Allowable Limit
34.8 mm
1.37 in.
-
63 N / 31 mm
6.4 kgf / 31 mm,
14.1 lbs / 1.22 in.
-
SUUV-W00 Apr. 2011