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1.12
Section 1
Safety and General Information
²Measure 6 mm (0.236 in.) above the bottom of the piston skirt at right angles to the piston pin.
Piston, Piston Rings, and Piston Pin (Cont'd.)
Top and Middle Compression Ring End Gap
LV560
New Bore
Top Ring .................................................................................. 0.180/0.380 mm (0.0071/0.0150 in.)
Middle Ring ............................................................................. 0.180/0.440 mm (0.0071/0.0173 in.)
Used Bore (Max.)........................................................................ 0.76 mm (0.029 in.)
LV625
New Bore
Top Ring .................................................................................. 0.180/0.380 mm (0.0071/0.0150 in.)
Middle Ring ............................................................................. 0.250/0.450 mm (0.0098/0.0177 in.)
Used Bore (Max.)........................................................................ 0.77 mm (0.030 in.)
LV675
New Bore
Top Ring .................................................................................. 0.180/0.430 mm (0.0071/0.0169 in.)
Middle Ring ............................................................................. 0.250/0.460 mm (0.0098/0.0181 in.)
Used Bore (Max.)........................................................................ 0.80 mm (0.0315 in.)
Piston Thrust Face O.D.²
LV560
New ............................................................................................ 72.966/72.984 mm (2.8727/2.8734 in.)
Max. Wear Limit.......................................................................... 72.839 mm (2.8677 in.)
LV625
New ............................................................................................ 76.967/76.985 mm (3.0302/3.0309 in.)
Max. Wear Limit.......................................................................... 76.840 mm (3.0252 in.)
LV675
New ............................................................................................ 79.963/79.981 mm (3.1481/3.1488 in.)
Max. Wear Limit.......................................................................... 79.831 mm (3.1430 in.)
Piston Thrust Face-to-Cylinder Bore² Running Clearance
LV560............................................................................................. 0.022/0.065 mm (0.0009/0.0026 in.)
LV625............................................................................................. 0.014/0.057 mm (0.0005/0.0022 in.)
LV675............................................................................................. 0.019/0.062 mm (0.0007/0.0024 in.)
Speed Control
Speed Control Bracket Assembly Fastener Torque............................... 10.7 N·m (95 in. lb.) Into new as-cast hole
7.3 N·m (65 in. lb.) Into used 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 (0.0004/0.0020 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.)