Mazda SKYACTIV-G 2.5, Workshop Manual

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TECHNICAL DATA
01-50–2
End Of Sie
Standard clearance between piston ring and ring
groove
Top: 0.04—0.08 mm {0.002—0.003 in}
Second: 0.03—0.07 mm {0.0012—0.0027 in}
Oil: 0.04—0.12 mm {0.002—0.004 in}
Maximum clearance between piston ring and ring
groove
Top: 0.12 mm {0.0047 in}
Second: 0.10 mm {0.0039 in}
Oil: 0.17 mm {0.0067 in}
Standard piston ring end gap
Top: 0.13—0.18 mm {0.0052—0.0070 in}
Second: 0.18—0.28 mm {0.008—0.011 in}
Oil (Rail): 0.10—0.35 mm {0.004—0.013 in}
Maximum piston ring end gap
Top: 0.35 mm {0.014 in}
Second: 0.45 mm {0.018 in}
Oil (Rail): 0.52 mm {0.020 in}
Standard piston pin outer diameter 20.995—21.000 mm {0.82658—0.82677 in}
Standard piston pin hole diameter 21.004—21.008 mm {0.82693—0.82708 in}
Standard clearance between piston pin hole diameter
and piston pin outer diameter
0.004—0.013 mm {0.0002—0.0005 in}
Standard connecting rod small end inner diameter 21.002—21.013 mm {0.82686—0.82728 in}
Standard clearance between connecting rod small end
inner diameter and piston pin outer diameter
0.002—0.018 mm {0.00008—0.00070 in}
Maximum connecting rod bending 0.050 mm {0.0020 in}
Maximum connecting rod distortion 0.050 mm {0.0020 in}
Connecting rod center-to-center distance 154.8 mm {6.094 in}
Standard side clearance at the large end of
connecting rod
0.14—0.36 mm {0.006—0.014 in}
Maximum side clearance at the large end of
connecting rod
0.465 mm {0.0183 in}
Standard bearing oil clearance at the large end of the
connecting rod
0.026—0.052 mm {0.0011—0.0020 in}
Maximum bearing oil clearance at the large end of the
connecting rod
0.10 mm {0.0039 in}
Connecting rod bearing size
STD: 1.502—1.519 mm {0.05914—0.05980 in}
OS 0.25: 1.628—1.631 mm {0.06410—0.06421 in}
OS 0.50: 1.753—1.756 mm {0.06902—0.06913 in}
Standard crankshaft end play 0.08—0.29 mm {0.004—0.011 in}
Maximum crankshaft end play 0.30 mm {0.012 in}
Thrust bearing size
STD: 2.500—2.550 mm {0.0985—0.1003 in}
OS 0.25: 2.625—2.675 mm {0.1034—0.1053 in}
Maximum main journal runout 0.10 mm {0.0039 in}
Standard main journal diameter 49.980—50.000 mm {1.9678—1.9685 in}
Maximum main journal off-round 0.005 mm {0.0002 in}
Standard crank pin diameter 49.980—50.000 mm {1.9678—1.9685 in}
Maximum crank pin off-round 0.005 mm {0.0002 in}
Standard main journal oil clearance 0.016—0.039 mm {0.0007—0.0015 in}
Maximum main journal oil clearance 0.084 mm {0.0033 in}
Main bearing size
STD: 2.489—2.510 mm {0.0980—0.0988 in}
OS 0.25: 2.614—2.617 mm {0.10292—0.10303 in}
OS 0.50: 2.739—2.742 mm {0.10784—0.10795 in}
Dual-mass flywheel guide pin projection maximum
amount
11.0—12.0 mm {0.434—0.472 in}
Dual-mass flywheel maximum runout 1.5 mm {0.059 in}
Standard cylinder head bolt length 145.2—145.8 mm {5.717—5.740 in}
Maximum cylinder head bolt length 146.5 mm {5.768 in}
Standard connecting rod bolt length 43.7—44.3 mm {1.73—1.74 in}
Maximum connecting rod bolt length 45.0 mm {1.77 in}
Rear oil seal press on amount 0—0.5 mm {0—0.019 in}
Front oil seal press on amount 0—0.5 mm {0—0.019 in}
Item Specification
1A36-1U-12L.book 2 ページ ２０１２年１２月１０日 月曜日 午前９時２５分