Briggs & Stratton 273521, 271172 MODEL 150000 HORIZONTAL SERIES, Engine Specifications, Torque

MODEL 150000 HORIZONTAL SERIES

ENGINE SPECIFICATIONS

Armature Air Gap	.010 - .014 in. (.25 - .36 mm)
Crankshaft End Play	.002 - .028 in. (.05 - .71 mm)
Spark Plug Gap	.030 in. (.76 mm)
Valve Clearance – Intake	.004 - .006 in. (.10 - .15 mm)
Valve Clearance – Exhaust	.009 - .011 in. (.23 - .28 mm)
FASTENER TORQUE SPECIFICATIONS	TORQUE
Air Cleaner Base / Backplate	40 lb-in. (5 Nm)
Armature	30 lb-in. (3 Nm)
Blower Housing	90 lb-in. (10 Nm)
Bracket to Carburetor (Snow)	45 lb-in. (5 Nm)
Carburetor Bowl Screw	90 lb-in. (10 Nm)
Carburetor to Cylinder Head	85 lb-in. (10 Nm)
Connecting Rod	100 lb-in. (11 Nm)
Control Bracket	100 lb-in. (11 Nm)
Control Panel Trim	40 lb-in. (5 Nm)
Crankcase Cover	100 lb-in. (11 Nm)
Cylinder Head	220 lb-in. (25 Nm)
Cylinder Head Plate	100 lb-in. (11 Nm)
Cylinder Shield	30 lb-in. (3 Nm)
Exhaust Manifold / Adapter	180 lb-in. (20 Nm)
Flywheel Nut	100 lb-ft. (135 Nm)
Flywheel Fan	180 lb-in. (20 Nm)
Flywheel Guard	30 lb-in. (3 Nm)
Fuel Tank	85 lb-in. (10 Nm)
Governor Lever Nut	45 lb-in. (5 Nm)
Muffler	100 lb-in. (11 Nm)
Muffler Support Bracket	45 lb-in. (5 Nm)
Oil Drain Cap – Front (Snow)	130 lb-in. (15 Nm)
Oil Drain Plug – Side	100 lb-in. (11 Nm)
Oil Fill Tube	50 lb-in. (6 Nm)
Rewind Starter	30 lb-in. (3 Nm)
Rocker Arm Stud	100 lb-in. (11 Nm)
Rocker Ball Set Screw or Nut	45 lb-in. (5 Nm)
Spark Plug	180 lb-in. (20 Nm)
Starter Cover	20 lb-in. (2 Nm)
Starter Motor	140 lb-in. (16 Nm)
Rocker Cover	55 lb-in. (6 Nm)
Snow Hood	40 lb-in. (5 Nm)
Snow Shield	50 lb-in. (6 Nm)

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