1.7
Section 1
Safety and General Information
1
General Specifications¹
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)
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/filter) - approximate,
determined by oil filter 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 (17.7 in. lb.)
Mounting Clip (valley baffle)................................................................. 2.5 N·m (22.1 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)
Rectifier-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.)
Camshaft Bearing Surface O.D.
New ........................................................................................................... 19.962/19.975 mm (0.7859/0.7864 in.)
Max. Wear Limit ...................................................................................... 19.959 mm (0.7858 in.)
Cam Lobe Profile (Minimum Dimension, Measured From Base Circle To Top Of Lobe)
Exhaust ............................................................................................................. 35 mm (1.3779 in.)
Intake ................................................................................................................ 35 mm (1.3779 in.)
¹Values are in Metric units. Values in parentheses are English equivalents. Lubricate threads with engine oil
prior to assembly.
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