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Specifi cations
20 690 01 Rev. F KohlerEngines.com
TORQUE SPECIFICATIONS
3,5
SV470-SV480 SV530-SV540 SV590-SV620
Carburetor
Fuel Bowl Retaining Screw
Walbro
Nikki
5.1-6.2 N·m (45-55 in. lb.)
10.8-12.8 N·m (96-113 in. lb.)
Closure Plate
Fastener 24.5 N·m (216 in. lb.)
Connecting Rod
Cap Fastener (torque in 2 increments) 5.5, 11.5 N·m (50, 100 in. lb.)
Crankcase
Oil Drain Plug 14.0 N·m (125 in. lb.)
Cylinder Head
Fastener (torque in 2 increments) 20.5, 41.0 N·m (180, 360 in. lb.)
Rocker Arm Pivot Stud 13.5 N·m (120 in. lb.)
Rocker Arm Adjustment Nut Set Screw 5.5 N·m (50 in. lb.)
Electric Starter
Thru Bolt 3.3-3.9 N·m (30-35 in. lb.)
Mounting Nut 3.6 N·m (32 in. lb.)
Nut (top) Positive (+) Brush Lead Terminal 1.6-2.8 N·m (15-25 in. lb.)
Nut (fl ange) Positive (+) Brush Lead Terminal 2.2-4.5 N·m (20-40 in. lb.)
Flywheel
M12 Retaining Screw 88.0 N·m (65 ft. lb.)
M10 Retaining Screw 66.5 N·m (49 ft. lb.)
Governor
Lever Nut 7.0-8.5 N·m (60-75 in. lb.)
Ignition
Spark Plug 27 N·m (20 ft. lb.)
Module Fastener 6.0 N·m (55 in. lb.) into new hole
4.0 N·m (35 in. lb.) into used hole
Rectifi er-Regulator Fastener 6.0 N·m (55 in. lb.) into new hole
4.0 N·m (35 in. lb.) into used hole
Muffl er
Retaining Nuts 24.4 N·m (216 in. lb.)
Oil Filter Pad Pipe Plug
1/8” N.P.T.F. 4.5-5.0 N·m (40-46 in. lb.)
Oil Pump
Mounting Screw 5.0-7.5 N·m (44.4-66.0 in. lb.) into new hole
3.8-4.6 N·m (33.3-40.3 in. lb.) into used hole
Oil Sentry
™
Pressure Switch 4.5-5.0 N·m (40-45 in. lb.)
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.