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KRYOTEC ENGINE
4
TIMING ANGLES
Operation control clearance (mm)
Intake
( • )
Exhaust
( • )
Control timing clearance (mm)
Intake
-
Exhaust
-
Intake
Opening (BTDC)
10ᵒ
Opening (ATDC)
-
Closed (after BDC)
2ᵒ
Exhaust
Opening (before BDC)
40ᵒ
Opening (BTDC)
-
Closed (ATDC)
9ᵒ
( • ) Hydraulic Tappets
CYLINDER BORE
Measure
Value
Internal diameter cylinder Bore - Class A (mm)
83.000 - 83.010
Internal diameter cylinder Bore - Class B (mm)
83.010 - 83.020
Internal diameter cylinder Bore - Class C (mm)
83.020 - 83.030
Cylinder Bore Out of Round (mm)
< 0.05
Cylinder Bore Taper
< 0.005
Oversize inner diameter cylinder bore (mm)
0.1
CYLINDER HEAD
Measure
Value
Cylinder head gasket thickness with maximum protrusion piston (mm)
protrusion -0.110 - + 0.230
thickness (no hole) 0.95 +/-
0.05
Cylinder head gasket thickness with maximum protrusion piston (mm)
protrusion -0.231 - + 0.330
thickness (one hole) 0.95 +/-
0.05
Cylinder head gasket thickness with maximum protrusion piston (mm)
protrusion + 0.331 - + 0.425
thickness (two holes) 1.15
+/- 0.05
Nominal cylinder head height (mm)
107 +/- 0.05
Flatness Cylinder Head Surface (mm)
< 0.1
VALVES
Valvestemdiameter - Exhaust (mm)
4.972 ÷ 4.990
Valvestemdiameter- Intake (mm)
4.982 ÷ 5.000
VALVE GUIDES
Valvestemdiameter- Intake (mm)
4.982 ÷ 5.000
Valvestemdiameter - Exhaust (mm)
4.972 ÷ 4.990
Outer diameter valve guides (mm)
010 ÷ 10.030
Increase outer diameter valve guides (mm)
05 / 0.10 / 0.25
Internal diameter valve guides (mm)
015 ÷ 5.033
VALVE SPRINGS
Valvespring free length (mm)
44.1
Valvespring lengthunder loadof 22.80÷25.20daN (mm)
34
Valvespring lengthunder loadof 43.90÷48.10daN (mm)
25.5