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1.9
Section 1
Safety and General Information
1
Carburetor and Intake Manifold
Intake Manifold Mounting Fasteners Torque ......................................... 6.2 N·m (55 in. lb.)
Carburetor Mounting Fasteners Torque ................................................ 6.2 N·m (55 in. lb.)
Connecting Rod
Cap Fastener Torque (torque in increments) ........................................ 11.3 N·m (100 in. lb.)
Connecting Rod-to-Crankpin Running Clearance
New................................................................................................ 0.043/0.068 mm (0.0016/0.0026 in.)
Max. Wear Limit ............................................................................. 0.083 mm (0.0032 in.)
Connecting Rod-to-Crankpin Side Clearance ....................................... 0.26/0.63 mm (0.0102/0.0248 in.)
Connecting Rod-to-Piston Pin Running Clearance ............................... 0.015/0.028 mm (0.0006/0.0011 in.)
Piston Pin End I.D.
New................................................................................................ 17.015/17.023 mm (0.6699/0.6702 in.)
Max. Wear Limit ............................................................................. 17.036 mm (0.6707 in.)
Crankcase
Governor Cross Shaft Bore I.D.
New................................................................................................ 8.025/8.075 mm (0.3159/0.3179 in.)
Max. Wear Limit ............................................................................. 8.088 mm (0.3184 in.)
Breather Cover Fasteners Torque......................................................... 10.7 N·m (95 in. lb.) Into new as-cast hole
7.3 N·m (65 in. lb.) Into used hole
Oil Drain Plugs...................................................................................... 13.6 N·m (120 in. lb.)
Crankshaft
End Play (free)...................................................................................... 0.070/0.590 mm (0.0028/0.0232 in.)
Crankshaft Bore (in crankcase)
New................................................................................................ 40.974/40.987 mm (1.6131/1.6136 in.)
Max. Wear Limit ............................................................................. 41.000 mm (1.6141 in.)
Crankshaft Bore (in oil pan)
New................................................................................................ 40.974/41.000 mm (1.6131/1.6141 in.)
Max. Wear Limit ............................................................................. 41.038 mm (1.6156 in.)
Crankshaft Bore (in oil pan)-to-Crankshaft
Running Clearance - New .............................................................. 0.039/0.087 mm (0.0015/0.0034 in.)
Main Bearing Journals
O.D. - New ..................................................................................... 40.913/40.935 mm (1.6107/1.6116 in.)
O.D. - Max. Wear Limit .................................................................. 40.84 mm (1.608 in.)
Max. Taper ..................................................................................... 0.022 mm (0.0009 in.)
Max. Out-of-Round ........................................................................ 0.025 mm (0.0010 in.)
Crankshaft Bore (in crankcase)-to-Crankshaft
Running Clearance - New .............................................................. 0.039/0.074 mm (0.0015/0.0029 in.)