Service Manual
4
Engine Fastener Torque Specifications
General Specifications
Item
Fastener Size
Torque
Specification
Cylinder Head Bolts
M8
25 ft-lbs (34 Nm)
Connecting Rod Bolts
M7
9.5 ft-lbs (13 Nm)
Flywheel Nut
M14
62.5 ft-lbs (85 Nm)
Valve Adjust Lock Nut
M6
10 ft-lbs (14 Nm)
Pivot Arm Pivot Stud
M8
22 ft-lbs (30 Nm)
Crankcase Cover Bolt
M6
7.5 ft-lbs (10 Nm)
Muffler Nuts
M6
7.5 ft-lbs (10 Nm)
Air Cleaner Nuts
M6
6 ft-lbs (8 Nm)
Recoil (Fan Shroud) Nut
M6
6 ft-lbs (8 Nm)
Oil Drain Bolt
M10
15.5 ft-lbs (21 Nm)
Fuel Tank Bolts / Nuts
M6
7.5 ft-lbs (10 Nm)
Governor Arm Pinch Nut
M6
7.5 ft-lbs (10 Nm)
Spark Plug
-
22 ft-lbs (30 Nm)
Ignition and Charge Coil Bolts
M6
7.5 ft-lbs (10 Nm)
Electric Starter Motor Bolts
M6
7.5 ft-lbs (10 Nm)
Standard Torque Values
M5 Bolt / Nut
4.5 ft-lbs (6 Nm)
M6 Bolt / Nut
7.5 ft-lbs (10 Nm)
M8 Bolt / Nut
19 ft-lbs (26 Nm)
M10 Bolt / Nut
28 ft-lbs (38 Nm)
M12 Bolt / Nut
41 ft-lbs (55 Nm)
Model
1P65FA
Type
Single cylinder, 4-Stroke, Forced Air Cooling, OHV
Bore x Stroke (mm)
65×48
Displacement (cc)
159
Compression Ratio
8 :1
Lubrication
Splash
Starting
Recoil and Electric Start
Rotation
Counter-Clockwise (From P.T.O. Side)
Ignition System
Transistorized Magneto Ignition
Air Cleaner
Foam & Paper
Fuel Type
Unleaded Gasoline, 87 Octane
Oil Capacity
Max. Fill: 20 oz (0.59 l)
Dimensions (L×W×H)
371×338×356 (mm)
Dry Weight
26.4 lbs (12 kg)