Kohler AEGIS LH630 Service Manual page 15

Piston, Piston Rings, and Piston Pin cont.
Piston Thrust Face-to-Cylinder Bore² Running Clearance
LH630 ............................................................................................ 0.014/0.057 mm (0.0005/0.0022 in.)
LH685 ............................................................................................ 0.019/0.062 mm (0.0007/0.0024 in.)
LH750, LH760 ................................................................................ 0.015/0.058 mm (0.005/0.0022 in.)
Speed Control
Speed Control Bracket Assembly Fastener Torque ............................... 10.7 N·m (95 in. lb.) Into new as-cast hole
Stator
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/Rocker Arms
Valve Cover Fastener Torque ............................................................... 6.2 N·m (55 in. lb.)
Valves and Valve Lifters
Hydraulic Valve Lifter to Crankcase Running Clearance ....................... 0.0124/0.0501 mm (0.0005/0.0020 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 ............................................................................. 7.134 mm (0.2809 in.)
Intake Valve Stem Diameter
New ................................................................................................ 6.982/7.000 mm (0.2749/0.2756 in.)
Exhaust Valve Guide I.D.
New ................................................................................................ 7.038/7.058 mm (0.2771/0.2779 in.)
Max. Wear Limit ............................................................................. 7.159 mm (0.2819 in.)
Exhaust Valve Stem Diameter
New ................................................................................................ 6.970/6.988 (0.2744/0.2751 in.)
Valve Guide Reamer Size
Standard ......................................................................................... 7.048 mm (0.2775 in.)
0.25 mm O.S. ................................................................................. 7.298 mm (0.2873 in.)
Intake Valve Lift .................................................................................... 8.88 mm (0.3496 in.)
Exhaust Valve Lift ................................................................................. 8.88 mm (0.3496 in.)
Nominal Valve Seat Angle ..................................................................... 45°
²Measure 6 mm (0.236 in.) above the bottom of the piston skirt at right angles to the piston pin.
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7.3 N·m (65 in. lb.) Into used hole
Section 1
1
1.13