1.12
Section 1
Safety and General Information
Piston, Piston Rings, and Piston Pin (Continued)
SV530, SV540
New ............................................................................................................ 88.948/88.962 mm (3.5018/3.5024 in.)
Max. Wear Limit ....................................................................................... 88.828 mm (3.4972 in.)
SV590, SV600, SV610, SV620
New ............................................................................................................ 93.928/93.942 mm (3.6980/3.6985 in.)
Max. Wear Limit ....................................................................................... 93.828 mm (3.6940 in.)
Piston Thrust Face-to-Cylinder Bore
2
Running Clearance
SV470, SV480, SV530, SV540 .................................................................... 0.045 mm (0.0018 in.)
SV560, SV590, SV600, SV610, SV620 ....................................................... 0.0880 mm (0.0035 in.)
Rectifier-Regulator
Mounting Screw Torque ................................................................................... 6.0 N·m (55 in. lb.) Into new as cast hole
4.0 N·m (35 in. lb.) Into used hole
Speed Control
Speed Control Bracket Assembly Fastener Torque ......................................11.0 N·m (95 in. lb.) Into new as-cast hole
7.5 N·m (65 in. lb.) Into used hole
Stator
Stator Mounting Screw Torque ....................................................................... 6.0 N·m (55 in. lb.) Into new as-cast hole
4.0 N·m (35 in. lb.) Into used hole
Throttle/Choke Controls
Governor Control Lever Fastener Torque ..................................................... 7.0-8.5 N·m (60-75 in. lb.)
Valve Cover
Valve Cover Fastener Torque........................................................................... 11.0 N·m (95 in. lb.) Into new as-cast hole
7.5 N·m (65 in. lb.) Into used hole
Valves and Valve Lifters
Intake Valve Lash
3
............................................................................................. 0.127 mm (0.005 in.)
Exhaust Valve Lash
3
.......................................................................................... 0.178 mm (0.007 in.)
Intake Valve Minimum Li ............................................................................. 8.9 mm (0.350 in.)
Exhaust Valve Minimum Li .......................................................................... 8.9 mm (0.350 in.)
Nominal Valve Seat Angle ............................................................................... 45°
Intake Valve Stem-to-Valve Guide Running Clearance ............................... 0.038/0.076 mm (0.0015/0.003 in.)
Exhaust Valve Stem-to-Valve Guide Running Clearance ............................ 0.050/0.88 mm (0.0020/0.0035 in.)
Intake Valve Guide I.D.
New .............................................................................................................. 6.038/6.058 mm (0.2377/0.2385 in.)
Max. Wear Limit ......................................................................................... 6.135 mm (0.2415 in.)
2
Measure 8 mm (0.314 in.) above the boom of the piston skirt at right angles to the piston pin.
3
Check valve lash every 200 hours, adjust as required.