Engine Block

2006 Honda Element EX, 2.4 YH1, StandardSECTION Engine Block
ENGINE BLOCK SPECIFICATION

Item Measurement Qualification Standard or New Service Limit
Block Warpage of deck   0.07 mm (0.003 in.) max. 0.10 mm (0.004 in.)
Bore diameter A or I 87.010-87.020 mm (3.4256-3.4260 in.) 87.070 mm (3.4279 in.)
B or II 87.000-87.010 mm (3.4252-3.4256 in.) 87.070 mm (3.4279 in.)
Bore taper   - 0.05 mm (0.002 in.)
Reboring limit   - 0.25 mm (0.01 in.)
Piston Skirt O.D. at 13 mm (0.5 in.) from bottom of skirt No letter or A 86.980-86.990 mm (3.4244-3.4248 in.) 86.930 mm (3.4224 in.)
Letter B 86.970-86.980 mm (3.4240-3.4244 in.) 86.920 mm (3.4220 in.)
Clearance in cylinder   0.020-0.040 mm (0.0008-0.0016 in.) 0.05 mm (0.002 in.)
Ring groove width Top 1.230-1.240 mm (0.0484-0.0488 in.) 1.26 mm (0.0450 in.)
Second 1.240-1.250 mm (0.0488-0.0492 in.) 1.270 mm (0.050 in.)
Oil 2.005-2.025 mm (0.0789-0.0797 in.) 2.05 mm (0.081 in.)
Piston ring Ring-to-groove clearance Top 0.045-0.070 mm (0.0018-0.0028 in.) 0.13 mm (0.005 in.)
Second 0.050-0.075 mm (0.0020-0.0030 in.) 0.13 mm (0.005 in.)
Ring end gap Top 0.20-0.35 mm (0.008-0.014 in.) 0.60 mm (0.024 in.)
Second 0.40-0.55 mm (0.016-0.022 in.) 0.70 mm (0.028 in.)
Oil 0.20-0.70 mm (0.008-0.028 in.) 0.80 mm (0.031 in.)
Piston pin O.D.   21.961-21.965 mm (0.8646-0.8648 in.) 21.953 mm (0.8643 in.)
Pin-to-piston clearance   -0.005 to +0.002 mm (-0.00020 to +0.00008 in.) 0.005 mm (0.0002 in.)
Connecting rod Pin-to-rod clearance   0.005-0.015 mm (0.0002-0.0006 in.) 0.02 mm (0.0008 in.)
Small-end bore diameter   21.970-21.976 mm (0.8650-0.8652 in.) -
Large-end bore diameter   51.0 mm (2.01 in.) -
End play installed on crankshaft   0.15-0.35 mm (0.006-0.014 in.) 0.40 mm (0.016 in.)
Crankshaft Main journal diameter No. 1 journal
No. 2 journal
No. 4 journal
No. 5 journal
54.984-55.008 mm (2.1648-2.1657 in.) -
No. 3 journal 54.976-55.000 mm (2.1644-2.1654 in.) -
Rod journal diameter   47.976-48.000 mm (1.8888-1.8898 in.) -
Rod/main journal taper   0.005 mm (0.0002 in.) max. 0.010 mm (0.0004 in.)
Rod/main journal out-of-round   0.005 mm (0.0002 in.) max. 0.010 mm (0.0004 in.)
End play   0.10-0.35 mm (0.004-0.014 in.) 0.45 mm (0.018 in.)
Runout   0.03 mm (0.0012 in.) max. 0.04 mm (0.0016 in.)
Crankshaft bearing Main bearing-to-journal oil clearance No. 1 journal
No. 2 journal
No. 4 journal
No. 5 journal
0.017-0.041 mm (0.0007-0.0016 in.) 0.050 mm (0.0020 in.)
No. 3 journal 0.025-0.049 mm (0.0010-0.0019 in.) 0.055 mm (0.0022 in.)
Rod bearing clearance   0.020-0.050 mm (0.0008-0.0020 in.) 0.060 mm (0.0024 in.)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.