LEHR LP2.5 HP, Service Manual

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LEHR LP2.5 HP Rev.A 2013
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Maintenance Specifications : Power Unit
Power unit
Minimum compression pressure*
Cylinder head
Warpage limit
Cylinder
Bore size
Taper limit
Out-of-round limit
Piston
Piston diameter (D)
Measured at bottom of skirt,
90
°
to pin hole
Piston-to-cylinder clearance
Piston pin boss bore
Piston pin
Outside diameter
Piston rings
Top ring
Thickness
Width
End gap
Side clearance
2nd ring
Thickness
Width
End gap
Side clearance
700 kPa (7.0 kgf/cm², 102 psi)
0.1 mm (0.004 in)
54.000-54.015 mm (2.1260-2.1266 in)
0.08 mm (0.0031 in)
0.05 (0.0020 in)
53.950-53.965 mm (2.1240-2.1246 in)
0.035-0.065 mm (0.0014-0.0026 in)
12.009-12.017 mm (0.4728-0.4731 in)
11.996-12.000 mm (0.4723-0.4724 in)
0.97-0.99 mm (0.0382-0.0390 in)
1.95-2.15 mm (0.0768-0.0846 in)
0.15-0.30 mm (0.0059-0.0118 in)
0.04-0.08 mm (0.0016-0.0031 in)
1.17-1.19 mm (0.0461-0.0468 in)
2.30-2.50 mm (0.0906-0.0984 in)
0.30-0.45 mm (0.0118-0.0177 in)
0.02-0.06 mm (0.0008-0.0024 in)
Item Model LP 2.5 S
* Measuring conditions:
Ambient temperature 20°C (68°F), wide open throttle, with spark plug removed
form cylinder. The figures are for reference only.
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