SELVA MARINE Blue Whale 250 EFI, Руководство по обслуживанию

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6P23H11
2-4
1
2
3
4
5
6
7
8
9
Oil ring
Dimension B mm (in) 2.40 – 2.47 (0.094 – 0.097)
Dimension T mm (in) 2.30 – 2.70 (0.091 – 0.106)
End gap
(*1)
mm (in) 0.15 – 0.60 (0.006 – 0.024)
Side clearance mm (in) 0.04 – 0.13 (0.002 – 0.005)
Camshaft
Intake (A) mm (in) 46.30 – 46.40 (1.823 – 1.827)
Exhaust (A) mm (in) 45.35 – 45.45 (1.785 – 1.789)
Intake and
exhaust (B) mm (in) 35.95 – 36.05 (1.415 – 1.419)
Camshaft journal diameter mm (in) 24.96 – 24.98 (0.9826 – 0.9834)
Camshaft runout limit mm (in) 0.015 (0.0006)
Valve
Valve clearance (cold)
Intake mm (in) 0.20
±
0.03 (0.008
±
0.001)
Exhaust mm (in) 0.34
±
0.03 (0.013
±
0.001)
Head diameter (A)
Intake mm (in) 36.4 – 36.6 (1.43 – 1.44)
Exhaust mm (in) 31.4 – 31.6 (1.24 – 1.24)
Face width (B)
Intake mm (in) 2.35 – 2.78 (0.092 – 0.110)
Exhaust mm (in) 2.13 – 3.30 (0.084 – 0.130)
Seat contact width (C)
Intake mm (in) 1.10 – 1.40 (0.043 – 0.055)
Exhaust mm (in) 1.40 – 1.70 (0.055 – 0.067)
Margin thickness (D)
Intake mm (in) 0.50 – 0.90 (0.020 – 0.035)
Exhaust mm (in) 0.90 – 1.30 (0.035 – 0.051)
Stem diameter
Intake mm (in) 5.477 – 5.492 (0.2156 – 0.2162)
Exhaust mm (in) 5.464 – 5.479 (0.2151 – 0.2157)
Guide inside diameter
Intake and exhaust mm (in) 5.504 – 5.522 (0.2167 – 0.2174)
Stem-to-guide clearance
Intake mm (in) 0.012 – 0.045 (0.0005 – 0.0018)
Exhaust mm (in) 0.025 – 0.058 (0.0010 – 0.0023)
Stem runout limit mm (in) 0.01 (0.0004)
Valve spring
Free length mm (in) 44.2 (1.74)
Tilt limit mm (in) 1.2 (0.05)
(*1)
The figures are for reference only.
Item Unit
Model
250 R 250 L
Maintenance specification