Connecting Rod Bearings - Volvo Penta D65A MS Workshop Manual

Maintenance Standards
Big end bore diameter, mm [in.]
Nominal Value ........... Ø131 [5.16]
Assembly Standard ... 131.000 to 131.025 [5.15747 to 5.15845]
Service Limit ............. 131.050 [5.15944]
NOTE! To be measured in combination with caps. Roundness less than (0.1 mm [0.004 in.] - service limit)

Connecting rod bearings

Thickness of center, STD, mm [in.]
Nominal Value ........... 3.000 [0.11811]
Assembly Standard ... 2.972 to 2.985 [0.11701 to 0.11752]
Service Limit* ............ 2.930 [0.11535]
Thickness of center, –0.25 [–0.0098], mm [in.]
Nominal Value ........... 3.125 [0.12303]
Assembly Standard ... 3.097 to 3.110 [0.12193 to 0.12244]
Service Limit* ............ 3.055 [0.12028]
Thickness of center, –0.50 [–0.0197], mm [in.]
Nominal Value ........... 3.250 [0.12795]
Assembly Standard ... 3.222 to 3.235 [0.12685 to 0.12736]
Service Limit* ............ 3.180 [0.12520]
Thickness of center, –0.75 [–0.0295], mm [in.]
Nominal Value ............ 3.375 [0.13287]
Assembly Standard ... 3.347 to 3.360 [0.13177 to 0.13228]
Service Limit* ............ 3.305 [0.13012]
Thickness of center, –1.00 [–0.0394], mm [in.]
Nominal Value ........... 3.500 [0.13780]
Assembly Standard ... 3.472 to 3.485 [0.13669 to 0.13720]
Service Limit ............. 3.430 [0.13504]
*NOTE! Replace bearings if worn down to service limit. Regrind crankpins and use undersize bearings if necessary.
Oil pump drive
Cover bearing journal inside diameter, mm [in.]
Nominal Value ........... Ø110 [4.33]
Assembly Standard ... 110.000 to 110.035 [4.33070 to 4.33208]
Plate bearing journal inside diameter, mm [in.]
Nominal Value ........... Ø110 [4.33]
Assembly Standard ... 109.987 to 110.022 [4.33019 to 4.33157]
Bearing, Outside diameter, mm [in.]
Nominal Value ........... Ø110 [4.33]
Assembly Standard ... 109.985 to 110.000 [4.33012 to 4.33071]
Bearing, Inside diameter, mm [in.]
Nominal Value ........... Ø50 [1.97]
Assembly Standard ... 49.988 to 50.000 [1.96803 to 1.96850]
Gear shaft bearing journal diameter, mm [in.]
Nominal Value ........... Ø50 [1.97]
Assembly Standard ... 49.993 to 50.013 [1.96822 to 1.96901]
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