Items
Specifications
Valve Timing
Intake Valve Opening
16 ° Before TDC
Intake Valve Closing
70.5 ° After BDC
Exhaust Valve Opening
55.5 ° Before TDC
Exhaust Valve Closing
17 ° After BDC
Crank Pin
Connecting Rod Bearing Clearance (mm/in)
0.020-0.044/0.0007-0.0017
Connecting Rod Bearing Axial Clearance (mm/in)
0.16-0.342/0.006-0.0135
Crankshaft
Axial Clearance (mm/in)
0.04-0.24/0.0015-0.0094
Main Bearing Clearance - All (mm/in)
0.015-0.033/0.0006-0.0013
Spindle Collar Diameter - All (mm/in)
47.982-48/1.8891-1.8898
Top Surface Flatness (mm/in)
0.05/0.0019
Crankshaft Main Journals Roundness (mm/in)
0.003/0.0001
Crankshaft Main Journals Run Out (mm/in)
0.004/0.0002
Cylinder Head
Machined Minimal Total Height (mm/in)
115-0.05/4.53-0.0019
Overall Height (mm/in)
115 +0.05 / 4.53 +0.0019
Valve Guide Height (mm/in)
34.5/1.36
Pistons
Gap Between Piston and Cylinder (mm/in)
0.070-0.090/0.0028-0.0035
Diameter (mm/in)
78.9/3.11
Piston Pin
Gap Between Piston Pin and Piston (mm/in)
0.005-(-0.001) / 0.0002-(-0.00003)
Gap Between Piston Pin and Rod (mm/in)
0.005-0.011/0.0002-0.0004
Diameter (mm/in)
20/0.787
Length (mm/in)
50-0.2/1.969-0.0079
Piston Pin Offset - Thrust Side (mm/in)
0.6 ± 0.1/0.0236 ± 0.0039
Oil Pump
Safety Valve Opening Pressure (kPa/psi)
500/72.52
Piston Ring
Oil Ring End Gap (mm/in)
0.20-0.70/0.0079-0.0276
Engine
Engine Mechanical Systems JL4G15-D
2-827
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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