Technique parameters
4
Technical specification of service
Items Parameters
Valve spring
Height H pressure of
valve spring (N{kgf,
lbf})
Intake H: 38.8mm {1.528in}
203 ～ 225 {20.71 ～ 22.95,
45.62～50.56}
Exhaust H: 38.8mm {1.528in}
203 ～ 225 {20.71 ～ 22.95,
45.62～50.56}
Perpendicularity
(mm{in})
Intake Max. 1.86{0.073}
Exhaust Max. 1.86{0.073}
Valve oil seal
Depth L (mm{in})
Intake 22.1{0.87}
Exhaust 16.9{0.665}
Camshaft
Axial run-out of camshaft
(mm{in})
Max. 0.03{0.0012}
Protrusion height of
cam (mm{in})
Intake
Standard 43.81{1.7248}
Min. 43.61{1.7169}
Exhaust
Standard 43.78{1.7236}
Min. 43.58{1.7157}
Journal diameter (mm{in})
Standard
25.936～25.965{1.0211～
1.0222}
Min. 25.906{1.0199}
Journal gap (mm{in}) Standard 0.035～0.085{0.0014～0.0033}
End gap (mm{in})
Standard 0.08～0.20{0.0031～0.0078}
Max. 0.21{0.0082}
Tappet
Tappet hole diameter (mm{in}) Standard
31.000～31.025{1.2205～
1.2215}
Tappet diameter (mm{in}) Standard
30.964～30.980{1.2191～
1.2197}
Gap between tappet and tappet
hole (mm{in})
Standard
0.020～0.061{0.00079～
0.00240}
Max. 0.180{0.0071}
Cylinder block
Height (from top surface to main
cover boundary line) (mm{in})
Standard 273.5{10.7677}
Maximum grinding
allowance
0.20{0.008}
Deformation at top surface
(mm{in})
Standard 0.05{0.002}
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