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MODEL 120000 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)