1.8
Section 1
Safety and General Information
General Specifications
1
Power (@ 3600 RPM, corrected to SAE J1995)
LH630 .............................................................. Maximum ............. 16.4 kW (22 HP)
Recommended ..... 13.9 kW (18.7 HP)
LH685 .............................................................. Maximum ............. 18.6 kW (25 HP)
Recommended ..... 15.9 kW (21.3 HP)
LH750 .............................................................. Maximum ............. 20.1 kW (27 HP)
Recommended ..... 17.1 kW (22.9 HP)
LH760 .............................................................. Maximum ............. 21.6 kW (29 HP)
Recommended ..... 18.4 kW (24.7 HP)
Peak Torque
LH630 (@ 2200 RPM) .................................................................... 48.0 N·m (35.4 ft. lb.)
LH685 (@ 2200 RPM) .................................................................... 54.3 N·m (40.1 ft. lb.)
LH750 (@ 2200 RPM) .................................................................... 61.0 N·m (45 ft. lb.)
LH760 (@ 2600 RPM) .................................................................... 61.7 N·m (45.5 ft. lb.)
Bore
LH630 ............................................................................................ 77 mm (3.03 in.)
LH685 ............................................................................................ 80 mm (3.15 in.)
LH750, LH760 ................................................................................ 83 mm (3.3 in.)
Stroke
LH630, LH685 ................................................................................ 67 mm (2.64 in.)
LH750, LH760 ................................................................................ 69 mm (2.7 in.)
Displacement
LH630 ............................................................................................ 624 cc (38.1 cu. in.)
LH685 ............................................................................................ 674 cc (41.1 cu. in.)
LH750, LH760 ................................................................................ 748 cc (45.6 cu. in.)
Compression Ratio
LH630, LH685 ................................................................................. 8.5:1
LH750, LH760 ................................................................................. 8.7:1
Dry Weight
LH630, LH685, LH750 ................................................................... 51.7 kg (114 lb.)
LH760 ............................................................................................ 52.6 kg (116 lb.)
Oil Capacity (with filter)
LH630, LH685, LH750 ................................................................... 1.9 L (2.0 U.S. qt.)
LH760 ............................................................................................ 2.0 L (2.1 U.S. qt.)
Coolant Capacity (equal parts of water and ethylene glycol) ................. 2.0 L (2.18 U.S. qt.)
Angle of Operation - Maximum (at full oil level) All Directions ............... 20°
Camshaft
End Play (With Shim) ........................................................................... 0.076/0.127 mm (0.0030/0.0050 in.)
Running Clearance ............................................................................... 0.025/0.063 mm (0.0010/0.0025 in.)
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Values are in Metric units. Values in parentheses are English equivalents. Lubricate threads with engine oil prior
to assembly.
NOTE: All listed dimensions and tolerances are measured at 20°C (68°F).
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