Briggs & Stratton 271172 MODELS 97700 & 99700 VERTICAL SERIES, Engine Specifications, Torque

MODELS 97700 & 99700 VERTICAL SERIES

ENGINE SPECIFICATIONS

Armature Air Gap	.006 - .012 in. (.15 - .30 mm)
Crankshaft End Play	.002 - .034 in. (.05 - .86 mm)
Spark Plug Gap	.030 in. (.76 mm)
Alternator Air Gap	.010 in. (.25 mm)
Valve Clearance – Intake	.005 - .007 in. (.13 - .18 mm)
Valve Clearance – Exhaust	.005 - .007 in. (.13 - .18 mm)
FASTENER TORQUE SPECIFICATIONS	TORQUE
Air Cleaner Base	35 lb-in. (4 Nm)
Alternator	40 lb-in. (5 Nm)
Armature	30 lb-in. (3 Nm)
Blower Housing	90 lb-in. (10 Nm)
Breather	50 lb-in. (6 Nm)
Brake Bracket	40 lb-in. (5 Nm)
Carburetor Bowl Nut	50 lb-in. (6 Nm)
Carburetor to Cylinder Head	60 lb-in. (7 Nm)
Connecting Rod	100 lb-in. (11 Nm)
Crankcase Sump	90 lb-in. (10 Nm)
Cylinder Head	160 lb-in. (18 Nm)
Cylinder Head Plate	90 lb-in. (10 Nm)
Cylinder Shield	30 lb-in. (3 Nm)
Exhaust Manifold / Adapter	90 lb-in. (10 Nm)
Flywheel Nut	60 lb-ft. (80 Nm)
Fuel Tank (Side)	90 lb-in. (10 Nm)
Fuel Tank (Top)	40 lb-in. (5 Nm)
Governor Lever Nut	40 lb-in. (5 Nm)
Muffler To Cylinder Head	90 lb-in. (10 Nm)
Muffler Guard	80 lb-in. (9 Nm)
Oil Drain Plug	100 lb-in. (11 Nm)
Oil Pump Cover	80 lb-in. (9 Nm)
Rewind Starter	55 lb-in. (6 Nm)
Rocker Arm Stud	110 lb-in. (12 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)
Rocker Cover	65 lb-in. (7 Nm)
Rewind Pulley Screw	70 lb-in. (8 Nm)

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