Kohler Courage SV470 Service Manual page 14

Section 1
Safety and General Information
Cylinder Bore
Cylinder Bore I.D.
New
SV470, SV480-00XX .................................................................................. 84.000/84.025 mm (3.307/3.308 in.)
SV470, SV480-01XX .................................................................................. 89.000/89.025 mm (3.504/3.505 in.)
SV530, SV540 ............................................................................................. 89.000/89.025 mm (3.504/3.505 in.)
SV590, SV600, SV610, SV620 ................................................................... 94.010/94.035 mm (3.701/3.702 in.)
Max. Wear Limit
SV470, SV480-00XX .................................................................................. 84.073 mm (3.310 in.)
SV470, SV480-01XX .................................................................................. 84.073 mm (3.310 in.)
SV530, SV540 ............................................................................................. 89.073 mm (3.507 in.)
SV590, SV600, SV610, SV620 ................................................................... 94.073 mm (3.704 in.)
Max. Taper .................................................................................................. 0.05 mm (0.002 in.)
Max. Out of Round .................................................................................... 0.12 mm (0.0047 in.)
Cylinder Head
Cylinder Head Fastener Torque (torque in 2 increments) .......................... 20.5, 41.0 N·m (180, 360 in. lb.)
Max. Out-of-Flatness ........................................................................................ 0.8 mm (0.003 in.)
Rocker Arm Pivot Stud Torque ....................................................................... 13.5 N·m (120 in. lb.)
Rocker Arm Adjustment Nut Set Screw ........................................................ 5.5 N·m (50 in. lb.)
Electric Starter
Thru Bolt Torque ............................................................................................... 3.3-3.9 N·m (30-35 in. lb.)
Mounting Nut Torque ...................................................................................... 3.6 N·m (32 in. lb.)
Nut (Top) Positive (+) Brush Lead Terminal ................................................. 1.6-2.8 N·m (15-25 in. lb.)
Nut (Flange) Positive (+) Brush Lead Terminal ............................................ 2.2-4.5 N·m (20-40 in. lb.)
Fan/Flywheel
Flywheel Retaining Screw Torque M12 ......................................................... 88.0 N·m (65 ft. lb.)
Flywheel Retaining Screw Torque M10 ......................................................... 66.5 N·m (49 ft. lb.)
Governor
Governor Cross Shaft-to-Crankcase Running Clearance ........................... 0.013/0.075 mm (0.0005/0.003 in.)
Governor Cross Shaft O.D.
New .............................................................................................................. 5.975/6.012 mm (0.2352/0.2367 in.)
Max. Wear Limit ......................................................................................... 5.962 mm (0.2347 in.)
Governor Gear Shaft-to-Governor Gear Running Clearance ..................... 0.09/0.16 mm (0.0035/0.0063 in.)
Governor Gear Shaft O.D.
New ............................................................................................................. 5.99/6.00 mm (0.2358/0.2362 in.)
Max. Wear Limit ........................................................................................ 5.977 mm (0.02353 in.)
Ignition
Spark Plug Type (Champion
Spark Plug Gap .................................................................................................. 0.76 mm (0.030 in.)
1.10
®
or Equivalent) ............................................... RC12YC or QC12YC