Briggs & Stratton 276535, 271172 manual MODEL 280000 VERTICAL SERIES, Engine Specifications, Torque

MODEL 280000 VERTICAL SERIES

ENGINE SPECIFICATIONS

Armature Air Gap	.010 - .014 in. (.25 - .36 mm)
Crankshaft End Play	.002 - .023 in. (.05 - .58 mm)
Spark Plug Gap	.030 in. (.76 mm)
Valve Clearance – Intake	.003 - .005 in. (.08 - .13 mm)
Valve Clearance – Exhaust	.005 - .007 in. (.13 - .18 mm)
FASTENER TORQUE SPECIFICATIONS	TORQUE
Air Cleaner Base	50 lb-in. (6 Nm)
Alternator	20 lb-in. (2 Nm)
Armature	30 lb-in. (3 Nm)
Blower Housings	90 lb-in. (10 Nm)
Blower Housing Brackets	90 lb-in. (10 Nm)
Breather	30 lb-in. (3 Nm)
Carburetor to Intake Manifold	70 lb-in. (8 Nm)
Carburetor Solenoid	40 lb-in. (5 Nm)
Connecting Rod	150 lb-in. (17 Nm)
Control Bracket	30 lb-in. (3 Nm)
Crankcase Cover	220 lb-in. (25 Nm)
Cylinder Head	220 lb-in. (25 Nm)
Cylinder Shield	40 lb-in. (5 Nm)
Exhaust Manifold / Adapter	165 lb-in. (19 Nm)
Flywheel Nut	100 lb-ft. (135 Nm)
Flywheel Fan	140 lb-in. (16 Nm)
Fuel Pump	90 lb-in. (10 Nm)
Governor Lever Nut	40 lb-in. (5 Nm)
Intake Manifold to Cylinder Head	90 lb-in. (10 Nm)
Muffler	90 lb-in. (10 Nm)
Oil Drain Plug – Side	100 lb-in. (11 Nm)
Oil Fill Tube	90 lb-in. (10 Nm)
Oil Pump Cover	90 lb-in. (10 Nm)
Regulator / Rectifier	40 lb-in. (5 Nm)
Rewind Starter	30 lb-in. (3 Nm)
Rocker Ball Set Screw or Nut	45 lb-in. (5 Nm)
Spark Plug	180 lb-in. (20 Nm)
Starter Clutch	65 lb-ft. (88 Nm)
Starter Motor	140 lb-in. (16 Nm)
Rocker Cover	60 lb-in. (7 Nm)

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