TORQUEFASTENER
27-44 lb-in (3-5 N-m)Muffler Stamped Guard Screw
27-44 lb-in (3-5 N-m)Muffler Stamped Guard Spark Arrester Screen Screw
27-44 lb-in (3-5 N-m)Muffler Stamped Guard Muffler Deflector Screw
248-266 lb-in (28-30 N-m)Oil Drain Plug
18-27 lb-in (2-3 N-m)Dipstick Oil Plug
35-71 lb-in (4-8 N-m)Remote Choke Bracket Stud
35-71 lb-in (4-8 N-m)Remote Choke Bracket Stud Nut
71-89 lb-in (8-10 N-m)Rewind Starter Screw
177-266 lb-in (20-30 N-m)Rocker Arm Stud
71-124 lb-in (8-14 N-m)Rocker Ball Locknut
230-319 lb-in (26-36 N-m)Spark Plug
71-124 lb-in (8-14 N-m)Stator Screw
71-124 lb-in (8-14 N-m)Valve Cover Screw
* Use step torque procedure per instructions.
Standard/Reject Sizes
REJECT SIZESTANDARD SIZEITEM
CRANKCASE/CYLINDER
0.554 in (14.06 mm) or more0.552 in (14.01 mm)Camshaft Bearing Bore Diameter
0.0015 in (0.04 mm) or more0.002 in (0.05 mm)Cylinder Bore Out-Of-Round
2.76 in (70 mm)Cylinder Bore Diameter
CYLINDER HEAD
Intake
45°Valve Seat Angle
0.031 in (0.80 mm)Valve Seat Width
0.210 in (5.32 mm) or less0.216 in (5.47 mm)Valve Stem Diameter
0.220 in (5.59 mm) or more0.217 in (5.51 mm)Valve Guide Bore Diameter
Exhaust
45°Valve Seat Angle
0.031 in (0.80 mm)Valve Seat Width
0.208 in (5.28 mm) or less0.214 in (5.43 mm)Valve Stem Diameter
0.220 in (5.59 mm) or more0.217 in (5.51 mm)Valve Guide Bore Diameter
CRANKCASE COVER
0.554 in (14.06 mm) or more0.552 in (14.01 mm)Camshaft Bearing Bore Diameter
CRANKSHAFT
1.178 in (29.93 mm) or less1.180 in (29.98 mm)Crank Pin Journal Diameter
0.982 in (24.94 mm) or less0.984 in (24.99 mm)MAG Side Journal Diameter
0.982 in (24.94 mm) or less0.984 in (24.99 mm)PTO Side Journal Diameter
CAMSHAFT
0.548 in (13.93 mm) or less0.550 in (13.98 mm)MAG Side Journal Diameter
0.548 in (13.93 mm) or less0.550 in (13.98 mm)PTO Side Journal Diameter
CONNECTING ROD
1.184 in (30.07 mm) or more1.182 in (30.02 mm)Crank Pin Bearing Bore Diameter
0.711 in (18.06 mm) or more0.709 in (18.01 mm)Piston Pin Bearing Bore Diameter
PISTON
0.708 in (17.97 mm) or less0.708 in (18.00 mm)Piston Pin Diameter
0.711 in (18.05 mm) or more0.709 in (18.00 mm)Piston Pin Bore Diameter
0.037 in (0.94 mm) or more0.007 in (0.18 mm)Top Compression Ring End Gap
100
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