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1.13
Section 1
Safety and General Information
1
Piston, Piston Rings, and Piston Pin cont.
Piston Thrust Face-to-Cylinder Bore² Running Clearance
New - CH18, CH20, CH22 (624 cc) ............................................... 0.014/0.057 mm (0.0005/0.0022 in.)
New - CH22/23 (674 cc)................................................................. 0.021/0.062 mm (0.0008/0.0024 in.)
New - CH25, CH26, CH730-745 .................................................... 0.001/0.045 mm (0.039/0.0018 in.)
Speed Control Bracket
Fastener Torque ................................................................................... 7.3-10.7 N·m (65-95 in. lb.)
Starter Assembly
Thru Bolt Torque
UTE/Johnson Electric, Eaton (Inertia Drive) ................................... 4.5-5.7 N·m (40-50 in. lb.)
Nippondenso (Solenoid Shift) ......................................................... 4.5-7.5 N·m (40-84 in. lb.)
Delco-Remy (Solenoid Shift) .......................................................... 5.6-9.0 N·m (49-79 in. lb.)
Mounting Screw Torque (All) ................................................................. 15.3 N·m (135 in. lb.)
Brush Holder Mounting Screw Torque
Delco-Remy Starter ........................................................................ 2.5-3.3 N·m (22-29 in. lb.)
Solenoid (Starter)
Mounting Hardware Torque
Nippondenso Starter .......................................................................6.0-9.0 N·m (53-79 in. lb.)
Delco-Remy Starter .........................................................................4.0-6.0 N·m (35-53 in. lb.)
Nut, Positive (+) Brush Lead Torque
Nippondenso Starter .......................................................................8.0-12.0 N·m (71-106 in. lb.)
Delco-Remy Starter .........................................................................8.0-11.0 N·m (71-97 in. lb.)
Stator
Mounting Screw Torque ........................................................................ 6.2 N·m (55 in. lb.)
Throttle/Choke Controls
Governor Control Lever Fastener Torque ............................................. 9.9 N·m (88 in. lb.)
Valve Cover
Valve Cover Fastener Torque
Gasket Style Cover ........................................................................ 3.4 N·m (30 in. lb.)
Black O-Ring Style Cover
w/Shoulder Screws.................................................................... 5.6 N·m (50 in. lb.)
w/Flange Screws and Spacers .................................................. 9.9 N·m (88 in. lb.)
Brown O-Ring Style Cover w/Integral Metal Spacers ...................... 9.9 N·m (88 in. lb.)
Valves and Valve Lifters
Hydraulic Valve Lifter to Crankcase Running Clearance ........................0.0241/0.0501 mm (0.0009/0.0020 in.)
Intake Valve Stem-to-Valve Guide Running Clearance ......................... 0.038/0.076 mm (0.0015/0.0030 in.)
Exhaust Valve Stem-to-Valve Guide Running Clearance ...................... 0.050/0.088 mm (0.0020/0.0035 in.)
Intake Valve Guide I.D.
New ................................................................................................ 7.038/7.058 mm (0.2771/0.2779 in.)
Max. Wear Limit ............................................................................. 7.135 mm (0.2809 in.)