1.8
Section 1
Safety and General Information
General Specifi cations¹
Power (@ 3600 RPM, exceeds Society of Automotive Engineers-Small Engine Test Code J1940.)
CH940 ........................................................................................................ 25.4 kW (34 HP)
CH960 ........................................................................................................ 26.9 kW (36 HP)
CH980 ........................................................................................................ 28.3 kW (38 HP)
CH1000 ...................................................................................................... 29.8 kW (40 HP)
Bore .................................................................................................................. 90 mm (3.54 in.)
Stroke ................................................................................................................ 78.5 mm (3.1 in.)
Displacement ................................................................................................... 999 cc (61 cu. in.)
Compression Ratio ......................................................................................... 8.8:1
Dry Weight ....................................................................................................... 59.8 kg (132 lb.)
Oil Capacity (w/fi lter) - approximate,
determined by oil fi lter used ......................................................................... 2.7 L (2.9 U.S. qt.)
Angle of Operation - Maximum (At Full Oil Level) All Directions ......... 25°
Blower Housing and Sheet Metal
M6 Shoulder Screw Torque
New, Untapped Hole (casting) .............................................................. 10.7 N·m (95 in. lb.)
Used, Tapped Hole (casting) .................................................................. 7.3 N·m (65 in. lb.)
New, Extruded Hole (sheet metal) ........................................................ 4.0 N·m (35 in. lb.)
Used, Extruded Hole (sheet metal) ....................................................... 2.0 N·m (18 in. lb.)
Mounting Clip (valley baffl e) ................................................................. 2.5 N·m (22 in. lb.)
M6 Screw Torque
New, Untapped Hole (casting) .............................................................. 10.7 N·m (95 in. lb.)
Used, Tapped Hole (casting) .................................................................. 7.3 N·m (65 in. lb.)
Rectifi er-Regulator Fastener Torque ............................................................. 2.0 N·m (18 in. lb.)
Oil Cooler Fastener Torque ............................................................................ 2.2 N·m (20 in. lb.)
Camshaft
End Play ........................................................................................................... 0.3/1.3 mm (0.011/0.051 in.)
Running Clearance .......................................................................................... 0.025/0.063 mm (0.0010/0.0025 in.)
Bore I.D.
New ............................................................................................................ 20.000/20.025 mm (0.7874/0.7884 in.)
Max. Wear Limit ....................................................................................... 20.038 mm (0.7889 in.)
Camsha Bearing Surface O.D.
New ............................................................................................................ 19.962/19.975 mm (0.7859/0.7864 in.)
Max. Wear Limit ....................................................................................... 19.959 mm (0.7858 in.)
¹ Values are in Metric units. Values in parentheses are English equivalents. Lubricate threads with engine oil prior
to assembly.
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